US Pat. No. 9,072,946

GOLF CLUB HEAD COVERS WITH A STRAP AND METHODS TO MANUFACTURE GOLF CLUB HEAD COVERS

Karsten Manufacturing Cor...

1. A head cover comprising:
a body comprising:
a head portion defining a hollow compartment configured to receive a golf club head having a toe portion and a heel portion,
the head portion further defining a first head end and a second head end; the first and second head ends are opposite of each
other, and

a hollow sleeve portion defining a sleeve conduit in communication with the hollow compartment, wherein the hollow sleeve
portion is adjacent to the second head end and configured to cover a portion of a shaft connected to the golf club head; and

a pull strap connected to the head portion of the body, the pull strap defining a first strap end attached to the first head
end of the head portion and a second strap end of the pull strap being attached to the second head end of the head portion,
wherein the first strap end of the pull strap is wider than the second strap end of the pull strap, wherein the body and the
pull strap define a channel configured to engage a portion of an individual's hand.

US Pat. No. 9,415,280

GOLF CLUB HEADS WITH SOLE WEIGHTS AND RELATED METHODS

KARSTEN MANUFACTURING COR...

1. A golf club head comprising:
a sole weight; and
a body comprising:
a sole comprising an interior sole surface and an exterior sole surface; and
a sole weight port comprising:
a port top comprising an interior port top surface and an exterior port top surface, the exterior port top surface having
a taper of plus or minus approximately 1-30 degrees with respect to a horizontal plane when the golf club head is at an address
position, and the interior port top surface having a taper of plus or minus approximately 1-89 degrees with respect to the
exterior port top surface;

one or more port side walls; and
a weight-receiving cavity opening to the exterior sole surface and bounded by the exterior port top surface and the one or
more port side walls,

wherein the sole weight is conformal with the weight-receiving cavity.

US Pat. No. 9,504,888

GOLF CLUB HEADS AND METHODS OF MANUFACTURING GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A method for manufacturing a golf club head comprising:
providing a golf club head comprising a golf club face; and
forming a groove and a second portion at the golf club face, forming the groove and the second portion comprising:
rotating a groove forming tool such that the groove forming tool forms:
the groove in the golf club face such that the groove is compliant with a Thirty Degree Rule when measured from a first top
radius of the groove and a second top radius of the groove; and

the second portion adjacent to the one of the first top radius or the second top radius of the groove and at a first angle
of approximately eight to eighteen degrees relative to the golf club face of the golf club and has a length of approximately
0.002 inch to 0.047 inch; and

actuating the groove forming tool from a first end to a second end of the golf club face.

US Pat. No. 9,403,070

GOLF CLUB HEADS WITH TRENCH FEATURES AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a body comprising a sole, a crown, a body heel end, a body toe end, a body front end, and a body rear end; and
a trench feature at a body section of the body,
the body section comprising one of the sole or the crown;
wherein:
the trench feature comprises:
a trench cap having a specific gravity of less than 2, and a hardness of approximately less than 90 Shore A:
an inner trench section comprising a trench and an inner section wall bounding the trench;
a reinforcement structure protruded from the body section and bounding the inner trench section; wherein
the reinforcement structure is separated from the trench cap by the inner section wall;
the reinforcement structure comprises:
a reinforcement inner perimeter adjacent to the inner trench section;
a reinforcement outer perimeter opposite the reinforcement inner perimeter; and
a reinforcement peak protruded between the reinforcement inner perimeter and the reinforcement outer perimeter;
the body section comprises:
a body section exterior surface defining an exterior body contour of the body section, wherein the body section exterior surface
is discontinuous at the trench feature and extrapolates the discontinuous segment at the trench feature; and

a minimum outer thickness, located outside the reinforcement outer perimeter, and measured orthogonal to the exterior body
contour;

the trench feature further comprises:
a reinforcement thickness measured, orthogonal to the exterior body contour, from the reinforcement peak to the exterior body
contour; and

a reinforcement girth measured, orthogonal to the reinforcement thickness, between the reinforcement inner perimeter and the
reinforcement outer perimeter;

the reinforcement structure protrudes past the minimum outer thickness into the body;
the reinforcement structure protrudes past the inner trench section into the body; and
the reinforcement girth is at least approximately 1.5 times greater than the minimum outer thickness.

US Pat. No. 9,108,096

PORTABLE ELECTRONIC DEVICE HOLDERS AND METHODS TO MANUFACTURE PORTABLE ELECTRONIC DEVICE HOLDERS

Karsten Manufacturing Cor...

1. A portable electronic device holder for a golf club comprising:
a body portion comprising a first end portion, a second end portion opposite to the first end portion, a front face extending
between the first end portion and the second end portion, and a back face extending between the first end portion and the
second end portion, the back face comprising a curved channel extending from the first end portion to the second end portion
in a direction along an axis of a golf club shaft and configured to receive a portion of the golf club shaft, a distance between
a bottom of the curved channel and the front face being less than a distance between the front face and the back face;

a clamp portion comprising a first clamp arm extending transverse to the body and a first lip portion operatively coupled
to the body portion and a second clamp portion comprising another clamp arm extending transverse to the body and a second
lip portion connected to the second end portion of the body portion, the first clamp portion being moveable relative to the
first end portion of the body portion to change a distance between the first clamp portion and the second clamp portion;

a spring configured to connect the first clamp portion to the body portion and bias the first clamp portion toward the first
end portion of the body portion such that the first clamp portion and the second clamp portion are configured to engage a
portable electronic device and hold the portable electronic device on or proximate to the front face of the body portion between
the first clamp portion and the second clamp portion; and,

a first arm on one side of the curved channel, at least a portion of the first arm located outside of the curved channel and
extending from the back face in a direction from the front face to the back face and a second arm on an opposite side of the
curved channel, at least a portion of the second arm located outside of the curved channel and extending from the back face
in a direction from the front face to the back face, wherein when a portion of the golf club shaft is received in the curved
channel, the first arm, the second arm and a portion of the curved channel between the first arm and the second arm engage
the portion of the golf club shaft to hold the golf club shaft between the first arm, the second arm and the curved channel.

US Pat. No. 9,573,032

FITTING SYSTEM FOR GOLF EQUIPMENT USING CAMERA IMAGE FOR MEASUREMENT OF INDIVIDUAL AND RELATED METHODS

KARSTEN MANUFACTURING COR...

1. A system for fitting golf equipment for an individual and configured to be used with an electronic device comprising a
fitting processor module and a camera,
the system comprising:
an image analysis module configured to:
receive image data of a single picture captured by the camera and depicting:
at least a portion of the individual at a first posture; and
one or more physical indicia, pursuant to which the single picture is aligned, being distinct from a fitting golf club;
recognize one or more reference features of the individual from the image data of the single picture; and
calculate one or more fitting dimensions of the individual between the one or more reference features in the single picture;
wherein:
the portion of the individual in the single picture comprises at least a hand of the individual; and
the image analysis module is executable by the fitting processor module and configured to calculate the one or more fitting
dimensions from the single picture captured by the camera.

US Pat. No. 9,108,088

GROOVES OF GOLF CLUB HEADS AND METHODS TO MANUFACTURE GROOVES OF GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a club face defined by a toe end, a heel end, a top rail and a sole; and
a plurality of grooves disposed on the club face between the top rail and the sole, each groove extending between the toe
end and the heel end;

wherein depths of the grooves vary in a direction extending between the top rail and the sole and in a direction extending
between the heel end and the toe end;

wherein a deepest portion of at least one groove is defined by a generally planar bottom surface portion of the groove.

US Pat. No. 9,272,374

GOLF CLUB HEAD WITH GROOVES AND METHOD OF MANUFACTURE

Karsten Manufacturing Cor...

1. A golf club head comprising:
a body having a strike face with channels;
and at least one insert located within at least one of the channels, wherein:
the at least one of the channels comprises a single groove; and
the at least one insert forms at least a portion of the single groove;
a radius of an exterior edge of the single groove is partially formed by the at least one insert and is also partially formed
by the strike face;

the at least one insert is asymmetrical about a first axis; and extending into the groove and away from the strike face, and
the first axis is substantially perpendicular to a width of the at least one of the channels.

US Pat. No. 9,409,065

GOLF CLUB FACE PLATES WITH INTERNAL CELL LATTICES AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a face plate having:
an inner skin;
an outer skin; and
a midsection between the inner skin and outer skin;
an inner midsection end of the midsection is coupled to the inner skin of the face plate;
an outer midsection end of the midsection is coupled to the outer skin of the face plate; and
the midsection comprises a cell lattice with a plurality of walls defining a plurality of cells bounded between the inner
skin and the outer skin;

the cell lattice comprises a cell junction where two or more of the plurality of walls couple together; and
the cell junction comprises a first junction channel extending from the inner midsection end to the outer midsection end.

US Pat. No. 9,480,892

FASTENER FOR A GOLF BAG

KARSTEN MANUFACTURING COR...

1. A golf bag comprising:
a body defining a housing extending between a bottom portion and a top portion, the housing adapted to receive one or more
golf clubs;

a fastener coupled to the body, the fastener including a first end coupled to the body, a second end opposite the first end,
and a locking member

wherein the locking member includes a first locking member that is spaced apart from a second locking member on a first side
of the fastener, the first locking member and the second locking member including complimentary surfaces;

a first gripping member coupled to the body; and
a second gripping member coupled to the fastener,
wherein the first gripping member and the second gripping member are configured to receive a cart strap therebetween;
a positioning loop comprising:
a coupling member coupled to the body;
a support member coupled to and spaced apart from the coupling member, and
an aperture defined between the support member and the coupling member,
wherein at least a portion of the fastener extends through the aperture and loops around the support member such that a surface
of the first locking member interlocks with a surface of the second locking member.

US Pat. No. 9,381,685

MOLD APPARATUS FOR MOLDING FACE PLATES FOR GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A mold apparatus for molding a golf club face plate, the mold apparatus comprising:
a recess configured to hold a label;
and
a runner configured to guide a mold compound in a non-solid form to the recess;
wherein the recess is configured to solidify the mold compound over the label to form the golf club face plate comprising
the label and the mold compound.

US Pat. No. 9,211,468

GOLF GLOVES WITH A CUT OUT PORTION AND METHODS TO MANUFACTURE GOLF GLOVES WITH A CUT OUT PORTION

KARSTEN MANUFACTURING COR...

1. A glove comprising:
a glove body comprising:
a dorsal side and a palmar side having a first end and a second end;
a plurality of finger portions and a thumb portion extending from the first end; and
a wrist portion defined at the second end, wherein the wrist portion defines a glove opening in communication with an interior
portion defined within the glove body;

a reinforcing panel secured on an outer surface of the glove body between the thumb portion and the wrist portion; and
a cut out portion defining an opening formed through the reinforcing panel and in communication with the interior portion
of the glove body to minimize bunching UP of the glove body, the cut out portion terminating above the second end of the palmar
side of the glove body.

US Pat. No. 9,079,080

CLUB HEAD SETS WITH VARYING CHARACTERISTICS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A club head set comprising:
three or more club heads, comprising:
a loft angle;
a front face;
a back face opposite the front face; and
two or more stabilization bars protruded from the back face; wherein the two or more stabilization bars each comprise: a toe
stabilization bar at a toe region of each club head and a heel stabilization bar at a heel region of each club head;

wherein:
the loft angle varies incrementally across the three or more club heads;
a respective reference angle of each of the two or more stabilization bars varies incrementally across each of the three or
more club heads as the loft angle varies incrementally across each of the three or more club heads;

the respective reference angle of each of the two or more stabilization bars varies equally for each of the two or more stabilization
bars of the three or more club heads; and

the respective reference angle is measured with respect to a respective vertical axis relative to a ground surface when each
of the three or more club heads are at a respective address position.

US Pat. No. 9,456,643

GLOVES WITH A CUT OUT PORTION AND METHODS TO MANUFACTURE GLOVES WITH A CUT OUT PORTION

KARSTEN MANUFACTURING COR...

1. A glove (100) comprising:
a glove body (102) comprising:

a dorsal side (108) and a palmar side (110) having a first end (104) and a second end (106);

a plurality of finger portions (115) and a thumb portion (114) extending from the first end (104); and

a wrist portion (112) defined at the second end (106), wherein the wrist portion (112) defines a glove opening (128) in communication with an interior portion (130) defined within the glove body (102);

a reinforcing panel (124) secured on an outer surface of the glove body (102) between the thumb portion (114) and the wrist portion (112); and

a cut out portion (126) defining an opening (138) formed through the reinforcing panel (124) and in communication with the interior portion (130) of the glove body (102) to minimize bunching up of the glove body.

US Pat. No. 9,597,557

GOLF CLUB HEADS WITH GROOVES AND METHODS OF MANUFACTURE

Karsten Manufacturing Cor...

1. A method of manufacturing a golf club head, the method comprising:
providing a strike face; and
forming one or more grooves at the strike face;
wherein:
the one or more grooves have edges; and
one or more of the edges is unsmooth.

US Pat. No. 9,168,429

GOLF CLUB HEADS WITH OPTIMIZED CHARACTERISTICS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a head body comprising:
a head front portion; a head rear portion;
a head heel portion; a head toe portion;
a head sole portion; a head top portion; and
a hosel structure having a bore for receiving a golf club shaft, the bore having a hosel axis;
a face portion at the head front portion and comprising:
a strikeface centerpoint;
a strikeface perimeter; and
a face height bounded by the strikeface perimeter, the strikeface centerpoint is positioned at a midpoint of the face height;
a head center of gravity; and
at least one of:
a first performance characteristic; or
a second performance characteristic;
wherein:
when the golf club head is at an address position over a ground plane:
a head vertical axis extends through the head center of gravity and is orthogonal to the ground plane; and
a head horizontal axis extends through the head center of gravity, and is orthogonal to the head vertical axis;
a loft plane of the golf club head is tangent to the strikeface centerpoint;
a front plane of the golf club head extends through the strikeface centerpoint, parallel to the hosel axis, and orthogonal
to the ground plane;

a head depth plane extends through the strikeface centerpoint, parallel to the head horizontal axis and perpendicular to the
loft plane;

a CG height axis extends through the head center of gravity and intersects the head depth plane perpendicularly at a first
intersection point;

a head CG height of the head center of gravity is measured, along the CG height axis, between the head center of gravity and
the first intersection point;

a head CG depth of the head center of gravity is measured, parallel to the ground plane and orthogonal to the front plane,
between:

a second intersection point located at an intersection between the front plane and the ground plane; and
a third intersection point located at an intersection between the head vertical axis and the ground plane;
the head CG depth is approximately 25 mm to approximately 102 mm;
the head CG height is approximately 0 mm to approximately 5.08 mm;
the face height is approximately 33 mm to approximately 71 mm, measured parallel to the loft plane;
the first performance characteristic comprises:
the head CG height being less than or equal to approximately 5.08 mm; and
the second performance characteristic comprises:
a CG performance ratio of less than or equal to 0.56, as defined by (a) 76.2 mm minus the face height, divided by (b) the
head CG depth;

the head body comprises a weight structure located towards the sole portion and the rear portion of the head body;
a clock grid comprises at least:
a 12 o'clock ray;
a 3 o'clock ray;
a 4 o'clock ray;
a 5 o'clock ray;
a 8 o'clock ray; and
a 9 o'clock ray;
when the golf club head is at the address position over the ground plane, from a bottom view of the golf club head, the 12
o'clock ray is aligned with the strikeface centerpoint and orthogonal to a front intersection line between the loft plane
and the ground plane;

the clock grid is centered along the 12 o'clock ray, at a midpoint between a front end of the head front portion and a rear
end of the head rear portion;

the 3 o'clock ray extends towards the head heel portion;
the 9 o'clock ray extends towards the head toe portion;
a perimeter of the weight structure is bounded by the 4 o'clock ray and the 9 o'clock ray; and
a center of gravity of the weight structure is located between the 5 o'clock ray and the 8 o'clock ray.

US Pat. No. 9,126,084

GOLF CLUB HEADS WITH RIBS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a body having a heel end, a toe end, a sole, and a front surface; and
a plurality of ribs protruded from a rib surface of the body and comprising:
a first rib comprising:
a first-first rib end;
a first-second rib end opposite the first-first rib end; and
a first axis extending through the first-first rib end and the first-second rib end;
a second rib comprising:
a second-first rib end;
a second-second rib end opposite the second-first rib end; and
a second axis extending through the second-first rib end and the second-second rib end;
and
a third rib comprising:
a third-first rib end;
a third-second rib end opposite the third-first rib end; and
a third axis extending through the third-first rib end and the third-second rib end;
wherein:
the front surface comprises a strikeface with a strikeface centerpoint;
a loft plane tangent to the strikeface centerpoint defines a front plane of the golf club head;
the first rib is located between the second and third ribs;
from a top view of the golf club head, the first, second, and third axes intersect at a common point external to the body;
the first axis comprises a first distance between the front plane and the first-first rib end;
the second axis comprises a second distance between the front plane and the second-first rib end;
the third axis comprises a third distance between the front plane and the third-first rib end; and
at least one of the first, second, or third distances is greater than at least another one of the first, second, or third
distances.

US Pat. No. 9,238,858

METHOD OF FORMING GOLF CLUB HEAD ASSEMBLY

KARSTEN MANUFACTURING COR...

1. A method of forming a golf club head assembly, the method comprising:
(a) providing a faceplate formed from an ?-? titanium alloy, the ?-? titanium alloy comprising between 6.5 wt % to 8.5 wt
% aluminum (Al), 1.0 wt % to 2.0 wt % vanadium (V), 0.20 wt % or less oxygen (O), and 0.20 wt % or less silicon (Si);

(b) aligning the faceplate with a recess of a club head;
(c) welding the faceplate to the club head;
(d) heating the club head and the faceplate to a temperature that is greater than the solvus temperature of the faceplate
for a predetermined amount of time; and

(e) allowing the club head and the faceplate to cool in an inert gas,
wherein step (d) is performed between 525° C. and 625° C. for between 1 hour and 6 hours.

US Pat. No. 9,192,823

GOLF COUPLING MECHANISMS AND RELATED METHODS

KARSTEN MANUFACTURING COR...

1. A golf club head comprising:
a head body;
a hosel at the head body;
a shaft sleeve removable from the hosel; and
an adjustment mechanism comprising a first washer securing mechanism;
wherein:
the shaft sleeve comprises:
a sleeve bore configured to receive an end of a golf club shaft;
a sleeve axis extending along a longitudinal centerline of the sleeve bore;
a sleeve top portion comprising a sleeve top end;
a sleeve insertion portion insertable into the hosel and comprising a sleeve wall bounding the sleeve bore; and
a sleeve top coupler bounding the shaft sleeve between the sleeve top portion and the sleeve insertion portion;
the hosel comprises:
a hosel inner wall defining a hosel bore configured to receive the sleeve insertion portion of the shaft sleeve;
a hosel axis extending along a longitudinal centerline of the hosel bore; and
a hosel top portion atop the hosel inner wall and comprising:
a hosel top coupler configured to couple with the sleeve top coupler when the shaft sleeve is located in the hosel;
the first washer securing mechanism comprises:
a sleeve bottom coupler at a bottom of the shaft sleeve;
a locking surface of the head body;
a passageway located at a bottom end of the hosel, linking the hosel bore to the locking surface of the head body, and bounded
by a passageway perimeter at the locking surface,

the passageway perimeter comprising a passageway centerpoint;
a fastener configured to engage the sleeve bottom coupler via the passageway to pull the sleeve top coupler and the hosel
top coupler against each other and to secure the sleeve axis relative to the hosel axis; and

a first washer located between the fastener and the locking surface;
the first washer comprising:
 a first washer side comprising a first washer form having a shape that is noncircular and complementary with the passageway
perimeter;

 a second washer side opposite the first washer side; and
 a first washer channel extending from the first washer side to the second washer side;
the first washer form configured to engage the passageway perimeter in:
 a first orientation configured to position the first washer channel at a first location, relative to the passageway centerpoint,
for setting the sleeve axis at a first angle relative to the hosel axis when the fastener and the sleeve bottom coupler engage
each other via the passageway and the first washer channel;

wherein:
the second washer side of the first washer comprises a second washer form having a shape that is noncircular and complementary
with the passageway perimeter; and

the second washer form is configured to engage the passageway perimeter in:
a second orientation configured to position the first washer channel at a second location, relative to the passageway centerpoint,
for setting the sleeve axis at a second angle relative to the hosel axis when the fastener and the sleeve bottom coupler engage
each other via the passageway and the first washer channel.

US Pat. No. 9,168,426

GOLF CLUBS WITH HOSEL INSERTS AND METHODS OF MANUFACTURING GOLF CLUBS WITH HOSEL INSERTS

Karsten Manufacturing Cor...

1. A golf club comprising:
a golf club head comprising:
a hollow body comprising a first material having a first density and further comprising:
a strike face;
a crown coupled to the strike face comprising a crown hole opening into an interior of the hollow body;
a sole coupled to the strike face;
an interior surface forming an outer boundary of the interior of the hollow body; and
a support structure coupled to the interior surface and aligned with the crown hole;
a hosel insert comprising a first hosel portion configured to house a shaft tip and a second hosel portion adjacent to the
first hosel portion; and

a shaft comprising the shaft tip, the shaft tip located within the first hosel portion of the hosel insert;
wherein:
the hosel insert is located within the crown hole and comprises a second material having a second density;
the second material is different than the first material;
the second density is less than the first density;
the first hosel portion engages the crown hole;
the second hosel portion engages the support structure; the strike face has an exterior strike face surface configured to
strike a golf ball, and an interior strike face surface opposite the exterior strike face surface and forming a portion of
the outer boundary of the interior of the hollow body; the support structure is a support structure boss coupled with the
interior strike face surface and spaced between the sole and the crown hole; and the support structure comprises a second
hole extending entirely through the support structure, the second hosel portion extends through the second hole, and the support
structure supports the second hosel portion.

US Pat. No. 9,162,120

CLUB HEADS FOR ADJUSTING VERTICAL SPIN OF A GOLF BALL AND METHODS OF PROVIDING THE SAME

KARSTEN MANUFACTURING COR...

1. A golf club head comprising:
a club head body comprising a front end, a rear end opposite the front end, a toe end, a heel end opposite the toe end, and
a sole; and

a weighting mechanism;
wherein:
the weighting mechanism comprises a first configuration and a second configuration;
the weighting mechanism comprises multiple weight ports and at least one weight;
the multiple weight ports are located only at the sole;
the multiple weight ports are arranged in a straight line and at an angle relative to a face plane of the golf club head such
that the weighting mechanism toward the front end is closer to the heel end than to the toe end and such that the weighting
mechanism toward the rear end is closer to the toe end than to the heel end, the angle being measured approximately parallel
to a ground plane of the golf club head when the golf club head is at address;

each of the multiple weight ports is configured to receive the at least one weight;
each weight of the at least one weight comprises a lateral cross-sectional dimension and a height when inserted into the multiple
weight ports;

the lateral cross-sectional dimension is approximately three times larger than the height;
when the weighting mechanism is configured in the first configuration and a user hits a golf ball with the golf club head
in a predetermined manner, the golf ball breaks contact with the golf club head (i) with a first vertical spin rate, (ii)
with a first horizontal spin rate, and (iii) with a first horizontal spin direction;

when the weighting mechanism is configured in the second configuration and the user hits the golf ball with the golf club
head in the predetermined manner, the golf ball breaks contact with the golf club head (i) with a second vertical spin rate,
(ii) with approximately the first horizontal spin rate, and (iii) with approximately the first horizontal spin direction;

when the golf club head is at address, a vertical axis of rotational inertia extends vertically through a center of gravity
of the golf club head;

when the weighting mechanism is configured in the first configuration, the golf club head comprises a first moment of inertia
about the vertical axis of rotational inertia;

when the weighting mechanism is configured in the second configuration, the golf club head comprises a second moment of inertia
about the vertical axis of rotational inertia;

and
the second vertical spin rate is different than the first vertical spin rate, the first moment of inertia is different than
the second moment of inertia, and all the weight ports for the entire head are arranged in the straight line.

US Pat. No. 9,119,999

GOLF CLUB HEADS WITH FREQUENCY MODULATION DEVICES AND RELATED METHODS

Karsten Manufacturing Cor...

21. A method for providing a golf club head, the method comprising:
providing a head body; and
providing a strikeplate for a head front end of the head body;
wherein:
providing the strikeplate comprises:
providing a strikeface and a backface opposite the strikeface; and
providing a modulation mechanism at the backface and comprising:
a plurality of frequency modulators; and
one or more anti-stiffening features located between the plurality of frequency modulators;
the plurality of frequency modulators reduce an oscillation frequency of the strikeplate upon impact with a golf ball; and
the one or more anti-stiffening features permit flexing of the strikeplate between the plurality of frequency modulators;
the plurality of frequency modulators comprise:
a first weight; and
a second weight;
the one or more anti-stiffening features comprise:
a first anti-stiffening feature separating the first and second weights from each other;
the strikeplate comprises:
a first thickness through the first weight, measured perpendicular to the strikeface;
a second thickness through the second weight measured perpendicular to the strikeface;
and
a third thickness through the first anti-stiffening feature measured perpendicular to the strikeface;
the first thickness is greater than the third thickness;
the second thickness is greater than the third thickness;
providing the modulation mechanism comprises at least one of:
coupling at least as portion of the modulation mechanism to the backfire via at least one of:
a weld material; or
a friction weld bond;
casting the modulation mechanism as a single cast piece with the strikeplate; or
forging the modulation mechanism as a single forged piece with the strikeplate;
each of the plurality of frequency modulators comprises a perimeter wall; and
all perimeter walls of the plurality of frequency modulators are disconnected from each other.

US Pat. No. 9,987,530

GROOVES OF GOLF CLUB HEADS AND METHODS TO MANUFACTURE GROOVES OF GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A golf club head comprising:a toe end;
a heel end opposite the toe end;
a top rail;
a sole opposite the top rail;
a recess positioned on a front surface of the golf club head; and
a face insert positioned within the recess; wherein
the face insert comprises:
a face insert base; and
a ball striking face plate having a front striking surface and a rear surface, wherein the rear surface is positioned adjacent to a front surface of the face insert base; and
the ball striking face plate covers greater than 91% of the front surface of the face insert base;
wherein the face insert is positioned within the recess using tape, glue, or epoxy; and
a plurality of grooves disposed on the ball striking face plate between the top rail and the sole, each groove of the plurality of grooves extending between the toe end and the heel end; wherein
the depths of the grooves vary in a direction extending between the top rail and the sole and in a direction extending between the heel end and the toe end; and
the deepest portion of at least one groove is defined by a generally planar bottom surface portion of the groove.

US Pat. No. 9,452,488

METHOD OF FORMING GOLF CLUB HEAD ASSEMBLY

Karsten Manufacturing Cor...

1. A method of forming a golf club head assembly, the method comprising:
providing a faceplate formed from an ?-? titanium alloy, the alloy having a solvus temperature;
aligning the faceplate with a recess of a club head;
welding the faceplate to the club head;
after welding the faceplate, heating the club head and faceplate to a temperature that is greater than the solvus temperature
of the faceplate for a predetermined amount of time; and

after heating the club head and faceplate, allowing the club head and faceplate to air cool.

US Pat. No. 9,814,948

GOLF CLUB HEADS WITH RIBS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a body comprising:
a heel end, a toe end, a crown, a sole, a front wall comprising a strikeface, and a rear side;
an interior surface defined by the heel end, the toe end, the crown, the sole, the front wall, and the rear side; and
an interior cavity bounded by the interior surface; and
ribs protruded from a rib surface of the body;
wherein:
the ribs comprise:
a rib height; and
a rib width; and
the rib height of at least one rib decreases along a portion of the at least one rib when the portion of the at least one
rib extends along a high amplitude zone,

wherein a maximum rib height of the at least one rib is approximately 1.1 times to approximately 12 times greater than the
rib height of the portion of the at least one rib which extends along the high amplitude zone.

US Pat. No. 9,320,948

GOLF CLUB HEADS WITH SLIT FEATURES AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a body comprising a sole, a crown, a hosel, a body heel end, a body toe end, a body rear portion, and a strikewall; and
a slit feature at a slit section of the body;
wherein:
the slit section comprises a portion of one of the sole or the crown;
the hosel defines a shaft axis and a shaft axis plane that comprises the shaft axis and is orthogonal to a ground plane when
the golf club head is at address over the ground plane;

a lead edge comprising a strikewall forwardmost point of the strikewall; and
a horizontal lead axis, comprising the strikewall forwardmost point, and orthogonal to the shaft axis plane;
wherein:
the horizontal lead axis does not intersect the slit feature; and
the slit feature comprises:
a first slit comprising:
a first forward slit edge; and
a first rearward slit edge;
a second slit comprising:
a second forward slit edge; and
a second rearward slit edge;
and
a first rib defined between:
the first rearward slit edge of the first slit; and
the second forward slit edge of the second slit;
and
at least one of the following is located forward of the shaft axis plane:
a first slit forwardmost point of the first slit;
a first slit rearwardmost point of the first slit;
a second slit forwardmost point of the second slit; or
a second slit rearwardmost point of the second slit.

US Pat. No. 9,314,678

GOLF CLUB HEAD

Karsten Manufacturing Cor...

1. A golf club head comprising:
a ball-striking face, wherein the ball-striking face is associated with a first hardness; and
a protective aluminum oxide layer coupled to the ball-striking face,
wherein the protective aluminum oxide layer is associated with a second hardness, and wherein the second hardness is greater
than the first hardness;

the ball-striking face comprises, by weight, about 0.8% to about 1.2% magnesium, about 0.4% to about 0.8% silicon, about 0.15%
to about 0.40% copper, and about 0.04% to about 0.35% chromium;

the second hardness is about 100 in Brinell scale;
wherein a thickness of the ball-striking face is reduced in order to reduce weight of the ball-striking face by at least 10
grams, wherein the at least 10 grams of weight is redistributed to move a center of gravity of the golf club head away from
the ball-striking face and lower the center of gravity toward the bottom portion of the golf club head;

wherein the golf club head is associated with a moment of inertia about a Y axis of the golf club head, the moment of inertia
ranging from about 4100 g-cm2 to about 4300 g-cm2;

wherein the golf club head is associated with a moment of inertia about an X axis of the golf club head, the moment of inertia
ranging from about 800 g-cm2 to about 900 g-cm2; and

wherein the golf club head is associated with a moment of inertia about a Z axis of the golf club head, the moment of inertia
ranging from about 1100 g-cm2 to about 1200 g-cm2.

US Pat. No. 9,199,142

GOLF CLUBS WITH PROGRESSIVE TAPERED FACE THICKNESSES

KARSTEN MANUFACTURING COR...

1. A set of golf clubs comprising a plurality of golf clubs, each club having
a selected loft angle different from that of each other club in the set;
a face for striking a ball, comprising a front surface, a rear surface, a top portion and a bottom portion; and
a taper angle defining the orientation of the rear surface of the face relative to the front surface of the face;
wherein the maximum taper angle t in degrees for any loft angle L in degrees is determined by the relationship t=0.028(L)?1.9057;
the minimum taper angle t in degrees for any loft angle L in degrees is determined by the relationship t=?0.0008(L2)+0.1624(L)?10.126; and the taper angle of each club is different from the taper angle of each other club in the set.

US Pat. No. 9,561,407

GROOVES OF GOLF CLUB HEADS AND METHODS TO MANUFACTURE GROOVES OF GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a club face defined by a toe end, a heel end, a top rail and a sole; and
a plurality of grooves disposed on the club face between the top rail and the sole, each of the plurality of grooves extending
between the toe end and the heel end and including a first horizontal wall and a second horizontal wall;

wherein a distance between the first horizontal wall and the second horizontal wall of each of the plurality of grooves defines
a width;

wherein the width of each of the plurality of grooves varies in a direction extending between the heel end and the toe end;
and

wherein lengths of each of the plurality of grooves increase from the top rail to a center of the club face and decrease from
the center of the club face to the sole.

US Pat. No. 9,452,326

GROOVES OF GOLF CLUB HEADS AND METHODS TO MANUFACTURE GROOVES OF GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a body portion having a body central region, a body toe portion, a body heel portion, a body top rail portion and a body sole
portion;

a club face on the body portion comprising grooves extending from a center portion of the club face toward the body heel portion
and from the center portion of the club face toward the body toe portion, each groove having a depth portion defining a largest
depth of the groove, the depth portion having a length extending in a direction from the body heel portion to the body toe
portion;

wherein the depth portions of at least a plurality of the grooves have a greater length between the center portion of the
club face and the body toe portion than between the center portion of the club face and the body heel portion;

wherein a depth of each groove increases from the groove heel portion to the depth portion;
wherein a depth of each groove increases from the groove toe portion to the depth portion;
wherein the lengths of the depth portions of at least two of the grooves located between the body top rail portion and the
body central region increase in a direction from the body top rail to the central region; and

wherein the lengths of the depth portions of at least two of the grooves located between the body sole portion and the body
central region increase in a direction from the body sole portion to the central region.

US Pat. No. 9,421,608

GOLF BAGS, TOP DIVIDERS FOR GOLF BAGS AND METHODS OF MAKING TOP DIVIDERS

Karsten Manufacturing Cor...

5. A golf bag, comprising:
a body (1004);

a top divider (1002) coupled to a top edge of the body (1004) with the top divider (1002) being a separate element from the body (1004);

a first aperture (1010) formed as part of the body (1004) below the top divider (1002) with an upper rim (1012) of the body (1004) between the top divider (1002) and the first aperture (1010);

a second aperture (1010) formed as part of the body (1004) below the top divider (1002) with the upper rim (1012) of the body (1004) between the top divider (1002) and the second aperture (1010);

a first handle (1006) defined by the first aperture (1010) and a portion of the upper rim (1012);

a second handle (1006) defined by the second aperture (1010) and a portion of the upper rim (1012); and each of the first and second handles having a horizontal extent being greater than a vertical extent such that fingers
of a user can grab onto one of the first and second handles and make contact with said top divider.

US Pat. No. 9,186,561

GOLF CLUB HEADS WITH OPTIMIZED CHARACTERISTICS AND RELATED METHODS

KARSTEN MANUFACTURING COR...

1. A golf club head comprising:
a head body comprising:
a head interior bounded by:
a head front portion;
a head rear portion;
a head heel portion;
a head toe portion;
a head top portion; and
a head sole portion;
and
a hosel structure having a bore for receiving a golf club shaft, the bore having a hosel axis;
a head center of gravity;
a head horizontal axis extending through the head center of gravity, from the head heel portion to the head toe portion, and
parallel to a ground plane when the golf club head is at an address position over the ground plane;

a hosel moment of inertia about the hosel axis; and
a horizontal moment of inertia about the head horizontal axis;
wherein the horizontal moment of inertia is greater than or equal to 39% of the hosel moment of inertia;
a strikeface having a strikeface centerpoint; and
a head vertical axis extending through the head center of gravity, from the head top portion to the head sole portion, and
perpendicular to the ground plane when the golf club head is at the address position over the ground plane; and

wherein:
the head body comprises a driver-type body;
a loft plane of the golf club head is tangent to the strikeface centerpoint;
a front plane of the golf club head extends through the strikeface centerpoint and parallel to the hosel axis;
a head depth plane extends through the strikeface centerpoint, parallel to the head horizontal axis and perpendicular to the
loft plane;

a CG height axis extends through the head center of gravity and intersects the head depth plane perpendicularly at a first
intersection point;

a head CG height of the head center of gravity is measured, along the CG height axis, between the head center of gravity and
the first intersection point;

a head CG depth of the head center of gravity is measured, parallel to the ground plane and orthogonal to the front plane,
between:

a second intersection point located at an intersection between the front plane and the ground plane; and
a third intersection point located at an intersection between the head vertical axis and the ground plane;
the head CG height is approximately 0 mm to approximately 5.08 mm;
the head CG depth is approximately 25 mm to approximately 102 mm;
a head volume of the golf club head is approximately 420 cc to approximately 470 cc; and
a head weight of the golf club head is approximately 185 grams to approximately 225 grams.

US Pat. No. 9,242,152

GOLF CLUB HEADS WITH RIBS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a body comprising:
a heel end, a toe end, a crown, a sole, a front wall comprising a strikeface, and a rear side;
an interior surface defined by the heel end, the toe end, the crown, the sole, the front wall, and the rear side; and
an interior cavity bounded by the interior surface;
and
ribs protruded from a rib surface of the body;
wherein:
the ribs comprise:
a first rib comprising:
a first first-rib endpoint;
a second first-rib endpoint; and
a first rib axis intersecting the first and second first-rib endpoints;
a second rib comprising:
a first second-rib endpoint;
a second second-rib endpoint; and
a second rib axis intersecting the first and second second-rib endpoints;
and
a third rib comprising:
a first third-rib endpoint;
a second third-rib endpoint; and
a third rib axis intersecting the first and second third-rib endpoints;
and
with respect to a top view of the golf club head:
the first, second, and third rib axes intersect each other and are tangent to a locus defined by a conic section perimeter;
the conic section perimeter comprises one of:
a circular perimeter; or
an elliptical perimeter.

US Pat. No. 9,833,666

GOLF CLUB HEAD WITH MOLDED POLYMERIC BODY

Karsten Manufacturing Cor...

1. A golf club head comprising:
a metallic forward section joined to a polymeric body section via a tongue-in-groove joint or a lap joint to define an internal
volume therebetween;

the polymeric body section including:
a forward edge that abuts the metallic forward section and defines a receiving portion;
a weight receiving feature adapted to receive a removable weight member, the weight receiving feature positioned apart from
the forward edge; and

a reinforcing structure protruding into the internal volume and extending from the weight receiving feature to the forward
edge, wherein the reinforcing structure is adhesively bonded to the metallic forward section;

the metallic forward section including:
a strike face;
a frame extending rearward from the strike face and forming an outer surface of the club head; and
a flange extending rearward from the frame and adhesively bonded within the receiving portion of the polymeric body section
to form the tongue-in-groove joint or the lap joint;

wherein the flange extends from the frame in a uniform direction that is orthogonal to a common reference plane such that
the flange may be inserted into the receiving portion of the polymeric body section along a single direction of motion prior
to being adhesively bonded; and

wherein the flange and the frame encircle the internal volume.

US Pat. No. 9,586,109

SUB-ASSEMBLY FOR A GOLF BAG AND A GOLF BAG SYSTEM FOR RECIPIENT SELF-ASSEMBLY

Karsten Manufacturing Cor...

1. A golf bag comprising:
a collapsible sub-assembly including a divider top, a base, and a stay having a first hinge coupled to one end of the stay
and a second hinge coupled to a second, opposing end of the stay, wherein the divider top is coupled to the first hinge and
the base is coupled to the second hinge, and wherein the divider top is configured to pivot at the first hinge relative to
the stay, and the base is configured to pivot at the second hinge relative to the stay;

a plurality of first snap-fit connectors provided around a portion of an outer perimeter of the divider top; and
a flat having a divider top end opposite a base end, an interior side, and an exterior side, the flat including a plurality
of second snap-fit connectors provided along a portion of the divider top end,

wherein the flat attaches to the sub-assembly by mating snap-fit engagement of the plurality of first snap-fit connectors
around the divider top with the plurality of second snap-fit connectors along the divider top end.

US Pat. No. 9,295,886

GOLF CLUB HEADS WITH RIBS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a body having a heel end, a toe end, a sole, a crown, a front surface, and a rear surface; and
a plurality of ribs protruded from a rib surface of the body and comprising:
a first rib with a first rib axis;
a second rib with a second rib axis; and
a third rib with a third rib axis;
wherein:
the first, second, and third rib axes intersect at a common point located external to the body and forward the front surface;
and

at least one of the first, second, or third ribs are non-convex relative to the crown;
the body further comprises a skirt between the crown and the sole; and
the rib surface with one or more of the first, second, and third ribs is located at least partially at the skirt.

US Pat. No. 9,561,414

HEADCOVERS HAVING A COLLAPSIBLE CONFIGURATION AND METHODS TO MANUFACTURE HEADCOVERS HAVING A COLLAPSIBLE CONFIGURATION

Karsten Manufacturing Cor...

1. A headcover comprising:
a headcover body comprising:
a detachable top piece comprising:
an outer surface, an inner surface, and a first peripheral edge;
a universal bottom piece configured to be engaged with the detachable top piece, wherein the universal bottom piece comprising:
a belly panel, a first side panel, and a second side panel;
wherein the first side panel and the second side panel collectively include a second peripheral edge that defines a top opening
in communication with an interior portion; and

an engagement arrangement for engaging and disengaging the detachable top piece with the universal bottom piece;
wherein,
the engagement arrangement comprises:
a zipper arrangement comprising a first set of teeth extending along the first peripheral edge, a second set of teeth extending
along the second peripheral edge, and a pull tab for engaging or disengaging the first set of teeth relative to the second
set of teeth for permitting engagement or disengagement of the detachable top piece relative to the universal bottom piece,

further comprising:
a sleeve extending from the universal bottom piece, wherein the sleeve is formed proximate a bottom opening in communication
with the interior portion of the headcover body.

US Pat. No. 9,375,625

SYSTEMS, METHODS, AND ARTICLES OF MANUFACTURE TO MEASURE, ANALYZE AND SHARE GOLF SWING CHARACTERISTICS

Karsten Manufacturing Cor...

1. A method comprising:
collecting data with a portable electronic device related to at least one of position or motion of a golf club at least one
of before, during or after at least one golf stroke performed with the golf club, the portable electronic device being attached
to the golf club; and

determining at least one golf club characteristic based on the data configured to improve performance at least one of before,
during or after a golf stroke;

wherein the at least one golf club characteristic is related to at least one of a location of center of gravity of a head
of a golf club, a length of a golf club, a loft angle of a golf club, or a lie angle of a golf club;

wherein determining the at least one golf club characteristic comprises determining the at least one golf club characteristic
at least one of before, during or after a golf stroke based on the collected data and receiving with the portable electronic
device at least one of the following additional data:

data associated with a physical measurement of an individual;
data associated with an image of an individual;
data associated with at least one characteristic of a putting green; or
data associated with at least one golf club preference of an individual.

US Pat. No. 9,314,675

GOLF CLUB HEAD HAVING A NANOCRYSTALLINE TITANIUM ALLOY

Karsten Manufacturing Cor...

1. A golf club head comprising:
at least one ball-striking face, wherein the ball-striking face comprises a titanium alloy with an average grain size measuring
less than 1 ?m in the longest dimension, the golf club having a coefficient of restitution of about 0.847 or more when a ball
impacts the ball-striking face, wherein the titanium alloy has a yield strength of about 860 MPa to about 1100 MPa, and wherein
the titanium alloy comprises, about 5.5% to about 6.75% aluminum, about 1.8% to about 2.2% tin, about 3.6% to about 4.4% zirconium,
molybdenum, and the balance titanium and incidental elements and impurities.

US Pat. No. 9,138,633

DUAL AXLE SKATEBOARD, TRUCK, AND METHOD

Karsten Manufacturing Cor...

1. A skateboard to be ridden by a rider having a weight, the skateboard comprising:
a body comprising a top surface for supporting the rider of the skateboard, a bottom surface opposite the top surface, a front
portion, and a rear portion opposite the front portion;

a front truck attached to the bottom surface of the body of the skateboard at the front portion of the body, the front truck
comprising:

a primary front axle;
two primary front wheels rotatably mounted on the primary front axle;
at least one secondary front axle that is parallel to the primary front axle; and
two secondary front wheels rotatably mounted on the at least one secondary front axle; and
a rear truck attached to the bottom surface of the body of the skateboard at the rear portion of the body, the rear truck
comprising:

a primary rear axle;
two primary rear wheels rotatably mounted on the primary rear axle;
at least one secondary rear axle that is parallel to the primary rear axle; and
two secondary rear wheels rotatably mounted on the at least one secondary rear axle;
wherein the primary front axle is positioned so that the two primary front wheels extend further from the top surface of the
body than the secondary front wheels, and the primary rear axle is positioned so that the two primary rear wheels extend further
from the top surface of the body than the secondary rear wheels, so that when the skateboard is ridden on a flat plane, at
least 75 percent of the weight of the rider is supported by the two primary front wheels and the two primary rear wheels.

US Pat. No. 9,339,703

GOLF BAG BOTTOMS AND METHODS TO MANUFACTURE GOLF BAG BOTTOMS

Karsten Manufacturing Cor...

1. A golf bag, comprising:
a top portion having one or more openings to receive one or more golf clubs;
a body portion coupled to the top portion to store the one or more golf clubs; and
a bottom portion coupled to the body portion, the bottom portion having four support members,
wherein:
the bottom portion has a side surface defining an inner perimeter;
the four support members extend downwardly from the bottom portion and extend outwardly from the bottom portion between the
inner perimeter and an outer perimeter;

the outer perimeter at least partially encloses the inner perimeter;
at least two of the four support members form a channel to engage at least a portion of a bag seat member associated with
at least one of a cart, a bag stand, or a bag rack;

the four support members comprise:
a first support member;
a second support member;
a third support member; and
a fourth support member;
the first support member and the second support member are symmetric with each other;
the third support member and the fourth support member are symmetric with each other;
each of the four support members comprises two substantially linear sides and a curved side extending inwardly from the side
surface such that the at least two of the four support members form the channel;

the first support member and the second support member each comprise a substantially linear portion at the curved side; and
the substantially linear portion of the curved side of the first support member and the substantially linear portion of the
curved side of the second support member are parallel to each other, form the channel, and are configured to engage the at
least the portion of the bag seat member associated with the at least one of the cart, the bag stand, or the bag rack.

US Pat. No. 10,137,345

GOLF CLUBS WITH HOSEL INSERTS AND METHODS OF MANUFACTURING GOLF CLUBS WITH HOSEL INSERTS

Karsten Manufacturing Cor...

1. A golf club comprising:a golf club head comprising:
a club head body comprising a first metallic material having a first density and further comprising:
a hollow interior;
a strike face;
a crown portion comprising a crown hole opening into the hollow interior;
a sole portion; and
a support structure located between the crown portion and the sole portion, the support structure comprising a structure hole aligned with the crown hole, and the structure hole having a first aperture opening into the hollow interior toward the crown hole and a second aperture opposite the first aperture and opening into the hollow interior away from the crown hole;
a shaft comprising a shaft tip; and
a hosel insert comprising a second metallic material having a second density;
a hollow tubular body;
a first hosel portion configured to receive the shaft tip; and
a second hosel portion adjacent to the first hosel portion; and
a barrier;
wherein the barrier separates and isolates the first hosel portion from the second hosel portion;
such that the shaft tip abuts the barrier when the shaft is inserted into the hosel insert;
wherein:
the second density is less than the first density;
the crown hole is configured to receive the first hosel portion; and
the structure hole is configured to receive the second hosel portion;
wherein the hosel insert has a first end proximate the crown hole and a second end proximate the support structure and a sidewall located between the first end and the second end;
wherein the hosel insert comprises a plurality of voids in non-end portions of the sidewall of a hosel insert surface;
wherein the hosel insert is fixedly attached to the club head body.

US Pat. No. 10,071,291

GOLF IRONS WITH SEALED UNDERCUT

Karsten Manufacturing Cor...

1. A cavity-back golf club head for an iron-type golf club, the golf club head comprising:a club head body including a face, a sole adjoining the face, and a rear wall adjoining the sole, wherein the face, the sole, and the rear wall define an undercut volume, the rear wall including at an upper edge thereof a threshold surface defining an upper threshold of the undercut volume, and a sloped ledge adjoining the threshold surface and projecting at an obtuse angle from the threshold surface into the undercut volume;
a first polymeric insert interference fit between a rear surface of the face and the sloped ledge of the rear wall within the undercut volume to thereby define a fluidly sealed empty cavity within the undercut volume; and
a second polymeric insert secured to the club head body and including a concave recess defining an open cavity extending from the rear wall toward the face,
wherein the first polymeric insert includes a top surface and a sloped surface projecting at an oblique angle from the top surface, the top surface of the first polymeric insert being seated against a bottom surface of the second polymeric insert, and the sloped surface being seated against the sloped ledge of the rear wall.

US Pat. No. 9,307,813

STRETCH WATER BOTTLE COMPARTMENT

Karsten Manufacturing Cor...

1. A bag comprising:
a body defining a housing extending between a bottom portion and a top portion, the housing adapted to receive one or more
golf clubs;

a first panel configured to be coupled to the body, wherein the first panel defines at least a portion of a pocket, has a
longitudinal axis, and forms a cutout; and

a second panel coupled to the first panel and covering the cutout, the second panel including a first material stretchable
along a first axis perpendicular to the longitudinal axis and a second material stretchable along the first axis and a second
axis that is parallel to the longitudinal axis, wherein at least a portion of the second material overlaps a portion of the
first material to cover the cutout and the first material and second material are independently coupled to the first panel.

US Pat. No. 9,492,721

GOLF CLUB HEADS WITH AERODYNAMIC FEATURES AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a body comprising:
a strikeface;
a heel region;
a toe region opposite the heel region;
a sole;
a crown having an apex;
a trailing edge between the sole and the crown;
a back opposite the strikeface; and
a cavity located at the back and in the trailing edge, wherein:
the cavity has a width between 4.45 centimeters (cm) and 5.72 cm and a depth
of approximately 1.27 millimeters (mm) to 3.81 mm; and
the cavity is oriented in a direction perpendicular to a ground plane of the club head.

US Pat. No. 9,421,435

GOLF CLUB HEADS WITH SOLE CAVITY PORTS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A system comprising:
a first golf club head comprising:
a face comprising a strikeface and a backside opposite the strikeface;
a head CG from which a gravity vector extends;
a shaft axis extended along a shaft axis plane;
a head heel portion;
a head toe portion; and
a sole coupled to the face and comprising a sole bottom side and a sole port structure having a port cavity extending into
the sole from the sole bottom side; and

a first weight insertable into the port cavity along a first insertion axis;
wherein:
the sole port structure comprises:
a cavity opening located at the sole bottom side for access to the port cavity;
a cavity heel end at the head heel portion;
a cavity toe end at the head toe portion;
a cavity front wall toward the face and extended between the cavity heel end and the cavity toe end; and
a cavity rear wall away from the face and extended between the cavity heel end and the cavity toe end;
when the first weight is inserted into the port cavity via the cavity opening:
the first weight is abutted against the cavity front wall and against the cavity rear wall; and
when the first golf club head is at address, with the shaft axis plane parallel to the gravity vector and orthogonal to a
ground plane:

the port cavity comprises a cavity length, measured parallel to the ground plane, from the cavity heel end to the cavity toe
end;

the strikeface comprises a strikeface length; and
the cavity length is approximately 30% to approximately 90% of the strikeface length;
a second golf club head comprising:
a second strikeface; and
a second sole comprising a second sole port structure having a second port cavity extending into the second sole; and
a second weight insertable into the second port cavity along a second insertion axis:
wherein:
the second sole port structure comprises:
a second cavity front wall towards the second strikeface:
the first golf club head comprises a short-type golf club head;
the second golf club head comprises a long-type golf club head:
the first golf club head comprises a first cavity front wall depth measured orthogonal to the strikeface at a minimum distance
from the strikeface to the cavity front wall;

the second golf club head comprises a second cavity front wall depth measured orthogonal to the second strikeface at a minimum
distance from the second strikeface to the second cavity front wall; and

the first cavity front wall depth is greater than the second cavity front wall depth.

US Pat. No. 9,216,325

SHAFT PLUGS FOR GOLF CLUBS AND METHODS TO MANUFACTURE GOLF CLUBS

KARSTEN MANUFACTURING COR...

1. A shaft plug comprising:
an axial shaft member defining a proximal end and a distal end along a longitudinal axis defined by the axial shaft member;
a sealing member formed at the distal end of the axial shaft member and extending outwardly at a substantially perpendicular
angle relative to the longitudinal axis; and

a first internal member, a second internal member, and a third internal member, each of the first, the second, and the third
internal members being deformable and having a substantially circular configuration that defines a diameter, each of the first,
the second, and the third internal members including a flat surface extending outwardly along the axial shaft member at a
substantially perpendicular angle relative to the longitudinal axis of the axial shaft member and a tapered surface that extends
from the axial shaft member at a non-perpendicular angle;

wherein the diameter of each of the first, the second, and the third internal members decrease with location from the sealing
member and the non-perpendicular angle of the tapered surface of each of the first, the second, and the third internal members
increases with location from the sealing member; and

the diameter of the first internal member is approximately 0.280 inches and the non-perpendicular angle of the first member
is approximately 10.8 degrees, the diameter of the second internal member is approximately 0.230 inches and the non-perpendicular
angle of the second member is approximately 14.0 degrees, and the diameter of the third internal member is approximately 0.180
inches and the non-perpendicular angle of the third member is approximately 20.0 degrees.

US Pat. No. 10,080,935

GOLF CLUB HEAD OR OTHER BALL STRIKING DEVICE WITH FACE HAVING MODULUS VARIANCE

Karsten Manufacturing Cor...

1. A golf club head comprising:a face having a ball striking surface, an inner surface opposite the ball striking surface, and a thickness defined between the ball striking surface and the inner surface, the face comprising a first multi-layered structure extending across the thickness of the face, wherein the first multi-layered structure comprises a first layer having a first modulus and a second layer having a second modulus that is different from the first modulus,
an insert connected to the face and forming a portion of the ball striking surface and extending across at least a portion of the thickness of the face, the insert including a second multi-layered structure having a first insert layer having a first insert modulus, wherein the first insert modulus is different from at least one of the first modulus and the second modulus of the first multi-layered structure, and
a body connected to the face and extending rearward from the face.

US Pat. No. 10,071,294

GOLF CLUB ASSEMBLY AND GOLF CLUB WITH SOLE PLATE

Karsten Manufacturing Cor...

1. A golf club head comprising:a body member;
a sole plate suspended from the body member, a rear end of the sole plate extending rearwardly from the body member such that a top surface, a bottom surface, and a rear surface of the rear end are exposed to an exterior of the golf club head;
wherein the sole plate and the body member each form a portion of a sole surface of the golf club head;
a layer of resilient material disposed between the body member and the sole plate, the resilient material serving to suspend the sole plate from the body member;
wherein the body member comprises a first engaging member and the sole plate comprises a second engaging member, wherein the first engaging member and the second engaging member are configured to interlock with one another with the resilient material positioned therebetween;
wherein the interlocking of the first engaging member and the second engaging member prevents the sole plate from moving substantially in a front-to-rear direction with respect to the body member; and
wherein the resilient material includes a substantially vertical portion that extends downwardly from a substantially horizontal portion that extends rearwardly.

US Pat. No. 9,333,402

GOLF CLUB HEADS WITH RIBS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a body comprising:
a heel end, a toe end, a crown, a sole, a front wall, and a rear side;
an interior surface defined by the heel end, the toe end, the crown, the sole, the front wall, and the rear side; and
an interior cavity bounded by the interior surface; and
ribs protruded from a rib surface of the body;
wherein:
the ribs comprise:
a first rib comprising:
a first first-rib end;
a second first-rib end; and
a first rib axis intersecting the first and second first-rib ends; and
a second rib comprising:
a first second-rib end;
a second second-rib end; and
a second rib axis intersecting the first and second second-rib ends;
wherein the ribs comprise at least one of:
a first rib height that varies along a first rib length of the first rib; or
a second rib height that varies along a second rib length of the second rib; and
with respect to a top view of the golf club head, the first and second rib axes intersect at a common point.

US Pat. No. 9,168,432

GOLF CLUB HEADS WITH TURBULATORS AND METHODS TO MANUFACTURE GOLF CLUB HEADS WITH TURBULATORS

KARSTEN MANUFACTURING COR...

7. A golf club head comprising:
a face portion defining a loft plane, a rear portion opposite to the face portion, a heel portion, a toe portion opposite
to the heel portion, a crown portion having a crown surface extending between the face portion, the rear portion, the heel
portion and the toe portion, a sole portion opposite to the crown portion and having a sole surface extending between the
face portion, the rear portion, the heel portion and the toe portion, and a leading edge portion between the face portion
and the crown portion, the leading edge portion defining a leading edge plane forming a leading edge angle with the loft plane;
and

a plurality of crown turbulators disposed on the crown surface, each crown turbulator having a front portion defining a portion
of the crown turbulator being closest to the face portion, the front portion of at least one of the plurality of crown turbulators
being at least partially located on the leading edge portion and between the leading edge plane and the rear portion, but
not extending beyond the leading edge plane;

a plurality of crown turbulators on the surface of the crown portion, each adjacent pair of crown turbulators being separate
and spaced apart and extending generally in a direction from the face portion to the rear portion; and

a plurality of grooves in a portion of the sole surface, the plurality of grooves configured to reduce the volume of the golf
club head and allow the size of the golf club head to be enlarged without substantially changing the volume of the golf club
head;

wherein:
the leading edge angle is greater than or equal to 30 degrees and less than or equal to 90 degrees.

US Pat. No. 9,999,811

GOLF CLUB OR OTHER BALL STRIKING DEVICE HAVING STIFFENED FACE PORTION

Karsten Manufacturing Cor...

1. A golf club head comprising:a face having a striking surface configured for striking a ball,
an inner surface opposite the striking surface, and
a face thickness defined between the striking surface and the inner surface,
the face further having a geometric center and peripheral edges; a body connected to the peripheral edges of the face and extending rearwardly from the face,
the body having a crown, a sole, a heel, and a toe;
wherein the face comprises a thickened portion that forms a protrusion extending rearwardly from the inner surface of the face,
the thickened portion comprising an annular tapered area that tapers in thickness between an upper boundary and a lower boundary and encloses an elevated area bounded by the upper boundary,
wherein at least one of the upper and lower boundaries defines a shape comprising a first lobe on a heel side of the thickened portion having a first outer edge with a convex outer profile, a second lobe on a toe side of the thickened portion having a second outer edge with a convex outer profile,
and
a connecting portion extending between the first lobe and the second lobe, such that the connecting portion is defined by third and fourth outer edges on crown and sole sides of the thickened portion, respectively, the third and fourth outer edges extending in a heel-to-toe direction between the first and second outer edges,
wherein at least the third outer edge has a concave profile;
wherein the elevated area is multi-tiered and comprises a first plateau area having a first generally constant face thickness, a second plateau area having a second generally constant face thickness, and a tapered area extending between the first and second plateau areas
and further consisting of a single elongated channel extending across the sole of the body spaced rearwardly from a bottom peripheral edge of the face,
wherein the single elongated channel is recessed from adjacent portions of the body.

US Pat. No. 9,987,525

GOLF CLUB HEADS WITH SOLE WEIGHTS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:a body comprising:
a sole comprising an exterior sole surface; and
a sole weight port comprising:
a port top comprising an interior port top surface and an exterior port top surface, the interior port top surface having a taper of plus or minus approximately 1-89 degrees with respect to the exterior port top surface.

US Pat. No. 9,895,580

SHAFT PLUGS FOR GOLF CLUBS AND METHODS TO MANUFACTURE GOLF CLUBS

Karsten Manufacturing Cor...

1. A shaft plug comprising:
an axial shaft member defining a proximal end and a distal end along a longitudinal axis defined by the axial shaft member;
a sealing member formed at the distal end of the axial shaft member and extending outwardly at a substantially perpendicular
angle relative to the longitudinal axis;

at least one internal member extending outwardly along the axial shaft member at a substantially perpendicular angle relative
to the longitudinal axis of the axial shaft member,

wherein the at least one internal member is deformable; and
a first internal member, a second internal member, and a third internal member,
each of the first, the second, and the third internal members being deformable and having a substantially circular configuration
that defines a diameter;

wherein at least one of the first internal member, the second internal member, or the third internal member comprises a cut
away or a slit,

each of the first, the second, and the third internal members including a flat surface extending outwardly along the axial
shaft member at a substantially perpendicular angle relative to the longitudinal axis of the axial shaft member and a tapered
surface that extends from the axial shaft member at a non-perpendicular angle;

wherein the diameter of each of the first, the second, and the third internal members decrease with location from the sealing
member and the non-perpendicular angle of the tapered surface of each of the first, the second, and the third internal members
increases with location from the sealing member;

wherein the diameter of the axial shaft member is less than 39% of any of the diameters of the first, the second, or the third
internal members.

US Pat. No. 10,035,048

GOLF CLUB HEAD WITH TRANSITION PROFILES TO REDUCE AERODYNAMIC DRAG

Karsten Manufacturing Cor...

1. A golf club head comprising:a strike face having a top edge, a bottom edge, and a geometric center, the strike face defining a loft plane positioned tangent to the strike face extending through the geometric center; and
a body including;
a front end, a back end opposite the front end;
a heel, a toe opposite the heel;
a crown including an apex and a crown transition profile, the crown transition profile having a first crown radius of curvature extending from the top edge of the strike face to a first crown transition point, wherein the first crown radius of curvature is between approximately 0.18 inches and 0.30 inches;
a sole including a lowest point and a sole transition profile, the sole transition profile having a first sole radius of curvature extending from the bottom edge of the strike face to a first sole transition point, wherein the first sole radius of curvature is between approximately 0.3 inches and 0.5 inches; and
a rear transition profile positioned between a first transition point, and a second transition point, the rear transition profile having a rear radius of curvature between approximately 0.10 inches and 0.25 inches.

US Pat. No. 9,737,772

CLUB HEADS FOR ADJUSTING VERTICAL SPIN OF A GOLF BALL AND METHODS OF PROVIDING THE SAME

Karsten Manufacturing Cor...

1. A golf club head comprising:
a club head body comprising a front end, a rear end opposite the front end, a toe end, a heed end opposite the toe end, and
a sole; and

a weighting mechanism;
wherein:
the weighting mechanism comprises a first configuration and a second configuration;
the weighting mechanism comprises multiple weight ports and at least one weight;
the multiple weight ports are located only at the sole;
the multiple weight ports are arranged in a straight line and at an angle relative to a face plane of the golf club head such
that the weighting mechanism toward the front end is closer to the heel end than to the toe end and such that the weighting
mechanism toward the rear end is closer to the toe end than to the heel end relative to the weighting mechanism toward the
front end, the angle being measured approximately parallel to a ground plane of the golf club head when the golf club head
is at address, and the angle is greater than or equal to approximately 2 degrees and less than or equal approximately to 25
degrees;

each of the multiple weight ports is configured to receive the at least one weight;
when the weighting mechanism is configured in the first configuration and a user hits a golf ball with the golf club head
in a predetermined manner, the golf ball breaks contact with the golf club head (i) with a first vertical spin rate, (ii)
with a first horizontal spin rate, and (iii) with a first horizontal spin direction;

when the weighting mechanism is configured in the second configuration and the user hits the golf ball with the golf club
head in the predetermined manner, the golf ball breaks contact with the golf club head (i) with a second vertical spin rate,
(ii) with approximately the first horizontal spin rate; and (iii) with approximately the first horizontal spin direction;

when the golf club head is at address, a vertical axis of rotational inertia extends vertically through a center of gravity
of the golf club head;

when the weighting mechanism is configured in the first configuration, the golf club head comprises a first moment of inertia
about the vertical axis of rotational inertia;

when the weighting mechanism is configured in the second configuration, the golf club head comprises a second moment of inertia
about the vertical axis of rotational inertia; and

the second vertical spin rate is different than the first vertical spin rate, and the first moment of inertia is different
than the second moment of inertia.

US Pat. No. 9,731,171

GOLF CLUB WITH REMOVABLE WEIGHT

Karsten Manufacturing Cor...

1. A golf club comprising:
a golf club head having a sole, a crown, and a face, and defining a bore, wherein the bore has an open end and a closed end;
an elongate member including a body portion and a protrusion extending radially outward from the body portion;
wherein the elongate member is insertable within the open end of the bore, and rotatable within the bore between a first angular
position and a second angular position, wherein the elongate member is configured to be freely withdrawn from the bore when
in the first angular position and is restrained from being withdrawn from the bore when in the second angular position, and
wherein the elongate member can transition from the first angular position to the second angular position via a rotation of
from about 90 degrees to about 180 degrees;

a compliant stop extending radially inward into the bore, wherein the compliant stop inhibits rotational motion of the elongate
member between the first and second angular positions only up to a torque threshold that is within the range of from about
10 inch-pounds to about 40 inch-pounds;

an elastomeric dampening member disposed at the closed end of the bore, wherein the dampening member applies an elastic biasing
force to the elongate member when the elongate member is in the second angular position, and wherein the dampening member
does not apply the elastic biasing force when the elongate member is in the first angular position; and

a cinching ramp extending radially inward from the cylindrical portion of the bore;
wherein the protrusion contacts the cinching ramp as the elongate member is rotated between the first angular position and
the second angular position; and

wherein the cinching ramp urges the elongate member against the dampening member as the elongate member is rotated from the
first angular position to the second angular position;

wherein the compliant stop is at least partially disposed in a path of the protrusion as the elongate member is rotated between
the first angular position and the second angular position;

wherein the compliant stop inhibits the rotation of the elongate member between the first angular position and the second
angular position; and

wherein at least one of the protrusion and the compliant stop elastically deforms to permit the rotation of the elongate member
in response to an applied torque above the torque threshold.

US Pat. No. 10,343,036

GOLF CLUB HEAD WITH POLYMERIC FACE

Karsten Manufacturing Cor...

1. A wood-type golf club head comprising:a wood-type body including an annular face support having a recessed shelf and partially defining a central cavity;
a wood-type face plate insert having a hitting surface and a non-planar rear surface opposite the hitting surface, the face plate insert affixed to the body across the central cavity such that the non-planar rear surface of the face plate insert abuts the recessed shelf; the face plate insert including:
a metallic hitting plate forming the hitting surface and having a substantially uniform thickness;
a metallic rear plate forming the non-planar rear surface and having a substantially uniform thickness; and
a polymeric layer disposed between the metallic hitting plate and the metallic rear plate, the polymeric layer consisting of a filled or unfilled thermoplastic polymer, wherein the polymeric layer includes a central region surrounded by a peripheral region, and wherein the central region is thicker than the peripheral region;
wherein the annular face support has an inner side wall that is adjacent to the recessed shelf;
wherein the face plate insert is spaced from the inner side wall to define a channel between the face plate insert and the inner side wall when the non-planar rear surface of the face plate insert abuts the recessed shelf; and
wherein at least one of the inner side wall and the face plate defines a recess in communication with the channel.

US Pat. No. 10,137,341

VARIABLE BOUNCE HEIGHT CLUB HEADS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:a partial club head body configured to be removably coupled at different times with a first attachment member and a second attachment member in a recess of the club head body;
a back cavity separate from the recess;
a custom tuning port weight comprising a top end;
wherein the partial club head body further comprises a front surface, a top portion, a toe portion, a heel portion, and a sole portion;
wherein the partial club head body sole portion is omitted when neither the first nor the second attachment are removably coupled within the recess of the partial club head body;
wherein the back cavity comprises a top and a bottom;
wherein a complete club head body is formed when the first or the second attachment member is coupled with the partial club head body to form a sole portion;
wherein the first or the second attachment member comprises all of the sole portion extending entirely from the toe portion to the heel portion of a complete club head body;
wherein:
when the partial club head body is coupled with the first attachment member, the complete club head body comprises:
a first sole portion;
a loft angle;
a bounce angle; and
a first bounce height;
and
when the partial club head body is coupled with the second attachment member, the complete club head body comprises:
a second sole portion;
a loft angle;
a bounce angle; and
a second bounce height different than the first bounce height;
wherein the back cavity has an opening at the top of the back cavity and is closed at the bottom of the back cavity;
wherein the first attachment member comprises an asymmetric edge;
wherein the second attachment member comprises an asymmetric edge;
wherein the custom tuning port weight is disposed in the back cavity such that the top of the custom tuning port weight is exposed,
and the custom tuning port weight is separate from the recess;
wherein the recess comprises a recess edge;
wherein the recess edge is asymmetric in relation to the asymmetric edge of either the first attachment member or the second attachment member;
wherein the first attachment member or the second attachment member is disposed in the recess in a single orientation.

US Pat. No. 9,943,732

GOLF CLUB WITH VISUAL FEATURE INDICATOR

Karsten Manufacturing Cor...

7. A golf club having improved visual feature recognition, the golf club comprising:a golf club head coupled to a golf club shaft, wherein the golf club head includes:
a hosel defining a bore, wherein the bore has a first portion having a first diameter, a second portion having a second diameter that is smaller than the first diameter, and a transition from the first diameter to the second diameter;
a sole; and
a design attribute;
wherein the golf club shaft is disposed within the first portion of the bore and secured to the hosel, and wherein the bore extends through the golf club head to the sole;
a polymeric plug disposed within the bore between the golf club shaft and the sole, wherein the polymeric plug includes a restraining feature that contacts the transition to prevent withdrawal of the polymeric plug through the sole; and
wherein the polymeric plug is a color that corresponds to the design attribute.

US Pat. No. 9,089,748

GOLF CLUB WEIGHT ATTACHMENT MECHANISMS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a head body selected from a group of golf club heads consisting of a fairway-wood type head, a driver-type head, and a hybrid-type
head, the head body bounding an interior cavity and comprising a body opening;

a shell portion configured to couple to the body opening; and
a weight member encapsulated within the shell portion;
wherein:
the shell portion comprises:
first and second shell sides opposite each other; and
a capsule defined between the first and second shell sides and containing the weight member;
a density of the weight member is greater than a density of the shell portion and a density of the head body;
the first shell side, the capsule, and the weight member, are internal to the interior cavity;
when encapsulated, the weight member is configured to remain substantially within the capsule of the shell portion;
the shell portion comprises at least a portion of a sole of the golf club head, and is located closer to a front portion of
the head body than a rear portion of the head body;

the weight member comprises:
a weight mass;
a weight thickness of:
less than approximately 6.4 mm if the golf club head comprises the fairway-wood-type head;
less than approximately 5.5 mm if the golf club head comprises the driver-type head; or
less than approximately 8.5 mm if the golf club head comprises the hybrid-type head;
a weight volume of:
less than approximately 15 cc if the golf club head comprises the fairway-wood-type head;
less than approximately 12 cc if the golf club head comprises the driver-type head; or
less than approximately 20 cc if the golf club head comprises the hybrid-type head;
a specific gravity of approximately 18 to 20; and
at least one of:
a tungsten material;
a nickel material;
a cadmium material;
a copper material; or
a metal-infused plastic material;
the shell portion comprises at least one of:
a steel material; or
a titanium material;
the weight member adjusts a center of gravity of the golf club head:
at least 0.38 mm towards the sole if the golf club head comprises the fairway-wood-type head;
at least 0.25 mm towards the sole if the golf club head comprises the driver-type head; or
at least 0.4 mm towards the sole if the golf club head comprises the hybrid-type head;
the weight mass is:
at least approximately 9.5% of a mass of the golf club head if the golf club head comprises the fairway-wood-type head;
at least approximately 3% of the mass of the golf club head if the golf club head comprises the driver-type head; or
at least approximately 12% of the mass of the golf club head if the golf club head comprises the hybrid-type head;
and
the weight volume is:
at most approximately 14% of a volume of the golf club head if the golf club head comprises the fairway-wood-type head;
at most approximately 5% of the volume of the golf club head if the golf club head comprises the driver-type head; or
at most approximately 30% of the volume of the golf club head if the golf club head comprises the hybrid-type head.

US Pat. No. 9,533,204

GOLF BAGS WITH A STABILIZATION AND REINFORCEMENT SYSTEM AND METHODS TO MANUFACTURE GOLF BAGS WITH THE STABILIZATION AND REINFORCEMENT SYSTEM

Karsten Manufacturing Cor...

1. A bag comprising:
a body with a top portion at one end of the body and a bottom portion at an opposite end of the body, the bottom portion defines
a bottom side portion of the body;

a stay having a first end and a second end, the first end of the stay is engaged to the top portion of the body;
a slot formed along the bottom side portion of the body; and
a flexible one-piece hinge engaged to the slot, the flexible one-piece hinge comprising:
an insert portion;
a receiving portion formed opposite the insert portion,
wherein the receiving portion forms an opening in communication with a cavity configured to receive the second end of the
stay, and

a bending portion formed between the insert portion and the receiving portion for orienting the receiving portion at an angle
relative to the insert portion,

wherein the flexible one-piece hinge is a unitary construction, and
wherein the insert portion is engaged to the slot and the receiving portion receives the second end of the stay into the cavity
in the receiving portion.

US Pat. No. 9,381,411

TOP LOADING HEADCOVERS AND METHODS TO MANUFACTURE TOP LOADING HEADCOVERS

Karsten Manufacturing Cor...

1. A headcover comprising:
a headcover body comprising:
a top shroud, a belly panel, a back panel, a first side panel and a second side panel;
a distal opening formed at a top portion defined by the headcover body, wherein the distal opening is in communication with
an interior portion defined by the headcover body and configured to receive a golf club therein;

a proximal opening formed at a lower portion defined by the headcover body, wherein the proximal opening is in communication
with the interior portion;

a hinge point formed between the top shroud and the back panel, wherein the hinge point is configured to allow the top shroud
to rotate relative to the back panel between a closed position to prevent communication with the distal opening and an open
position to permit communication with the distal opening;

a first elastic member coupled to the head cover body including a distal end of the first elastic member engaged to the top
shroud and a proximal end of the first elastic member engaged to the back panel with the first elastic member extending along
the first side panel between the top shroud and the back panel;

a second elastic member coupled to the head cover body including a distal end of the second elastic member engaged to the
top shroud and a proximal end of the second elastic member engaged to the back panel with the second elastic member extending
along the second side panel between the top shroud and the back panel;

a first stop member defined along the top shroud proximate the hinge point; and
a second stop member defined along the back panel proximate the hinge point and in opposite relation to the first stop member,
wherein the first stop member is configured to engage the second stop member to maintain the top shroud in the open position.

US Pat. No. 10,137,335

EMBEDDED HIGH DENSITY CASTING

Karsten Manufacturing Cor...

1. A method of manufacturing a golf club head comprising:forming a high density metal piece;
placing the high density metal piece in a wax injection mold;
positioning a tool in abutment with the high density metal piece, the tool including a lip that receives at least a portion of the high density metal piece;
injecting wax into the wax injection mold to at least partially embed the high density metal piece within the wax, wherein the portion of the high density metal piece received by the lip is exposed outside of the wax;
removing the tool from the wax injection mold such that a gap is formed between the portion of the high density metal piece that was received by the lip and the wax;
coating the wax and at least one portion of the high density metal piece with a ceramic material forming a ceramic shell, wherein the gap is occupied by the ceramic material;
melting the wax to form a hollow region between the ceramic shell and the high density metal piece, wherein the high density metal piece is held rigidly in place via the ceramic filled gap;
pouring metal into the hollow region, the metal forming a body of the golf club head and at least partially surrounding the high density metal piece wherein the ceramic filled gap prevents the high density metal piece from translating along or in an x or y-axis and from rotating about a z-axis; and
removing the ceramic, such that the high density metal piece and a portion of the body of the golf club head again form the gap,
wherein the high density metal piece is made of a material selected from a group consisting of tungsten, tantalum, rhenium, osmium, iridium, and platinum.

US Pat. No. 9,539,475

GOLF CLUB WEIGHT ATTACHMENT MECHANISMS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a head body selected from the group of golf club heads comprising a fairway-wood-type head, a driver-type head, and a hybrid-type
head, comprising:

an interior cavity, and
a body opening coupled to the interior cavity;
a shell portion configured to couple to the body opening;
a bracket coupled to the shell portion; and
a weight member coupled to the bracket;
wherein:
the weight member is:
denser and harder than the head body;
denser and harder than the bracket; and
denser and harder than the shell portion;
the bracket and the weight member are configured to be fully contained within the interior cavity;
the bracket comprises a malleable lip configured to clamp the weight member in place at the shell portion;
the bracket and the shell portion comprise a single piece of the same material;
a weld bead couples the shell portion to the body opening throughout a total thickness of a perimeter of the shell portion;
the shell portion comprises at least a portion of a sole of the golf club head, and is located closer to a front portion of
the golf club head than a rear portion of the golf club head;

the weight member comprises a specific gravity greater than approximately 14;
the shell portion comprises at least one of:
a steel material; or
a titanium material;
and
the weight member adjusts a center of gravity of the golf club head:
at least 0.38 mm towards the sole if the golf club head comprises the fairway-wood-type head;
at least 0.25 mm towards the sole if the golf club head comprises the driver-type head; or
at least 0.4 mm towards the sole if the golf club head comprises the hybrid-type head.

US Pat. No. 9,987,524

SYSTEM OF GOLF CLUB HEADS WITH REDUCED VARIABILITY IN CHARACTERISTIC TIME AND METHODS OF MANUFACTURING SYSTEMS OF GOLF CLUB HEADS HAVING REDUCED VARIABILITY IN CHARACTERISTIC TIME

Karsten Manufacturing Cor...

1. A system of hollow golf club heads comprising: a plurality of golf club heads having a particular loft angle, the plurality of golf club heads including a plurality of bodies and a plurality of face plates, the plurality of face plates having an average elastic modulus and an average thickness profile defining an average maximum thickness and an average minimum thickness, wherein each of the plurality of bodies is substantially the same, the plurality of hollow golf club heads including: an average characteristic time; a range in characteristic time less than or equal to approximately 20 ?s; a first hollow golf club head having a first characteristic time, a first body, and a first face plate, the first face plate including: a first elastic modulus; a first thickness profile defining a first maximum thickness and a first minimum thickness; a second hollow golf club head having a second characteristic time, a second body, and a second face plate, the second face plate including; a second elastic modulus; a second thickness profile defining a second maximum thickness and a second minimum thickness; and a third hollow golf club head having a third characteristic time, a third body, and a third face plate, the third face plate including: a third elastic modulus; a third thickness profile defining a third maximum thickness and a third minimum thickness; wherein, the first elastic modulus is within 5% of the average elastic modulus, the second elastic modulus is greater than the average elastic modulus, and the third elastic modulus is less than the average elastic modulus; the first maximum thickness and the first minimum thickness are approximately equal to the average maximum thickness and the average minimum thickness, respectively; the second maximum thickness and the second minimum thickness are less than the average maximum thickness and the average minimum thickness, respectively; and the third maximum thickness and the third minimum thickness are greater than the average maximum thickness and the average minimum thickness, respectively.

US Pat. No. 9,981,169

GOLF CLUB HEAD OR OTHER BALL STRIKING DEVICE WITH REMOVABLE AND/OR MOVABLE SOLE MEMBER

Karsten Manufacturing Cor...

1. A golf club head comprising:a face having a striking surface configured for striking a ball, the face being defined by a plurality of peripheral edges including a bottom edge adjacent a sole;
a club head body connected to the face and extending rearwardly from the peripheral edges of the face, the club head body having a sole configured to face a playing surface and a crown opposite the sole, the club head body further having a receiver located on the sole; wherein the club head body and the face form an inner cavity; and
a removable sole member received by the receiver, wherein the removable sole member has an outer surface forming a portion of the sole, wherein the removable sole member has a front surface spaced rearward from the bottom edge of the face and a rear surface, wherein the removable sole member has a first tab and a second tab, wherein the first tab is located near a front side of the removable sole member and extends into a first slot located near a front of the club head body and wherein the second tab extends from the rear surface of the removable sole member and extends into a second slot located near a rear of the club head body.

US Pat. No. 9,889,351

GOLF CLUB HAVING A REINFORCED BALL STRIKING PLATE

Karsten Manufacturing Cor...

1. A ball striking device comprising:
a ball striking plate having a front surface configured to strike a ball and a rear surface opposite the front surface, the
ball striking plate having a desired-contact region and a perimeter; and,

further comprising a thickened portion of the ball striking plate, the thickened portion including an elevated area on the
rear surface of the ball striking plate positioned behind the desired-contact region of the ball striking plate,

and
wherein the thickened portion is a plateau area having a generally constant thickness surrounded by a peripheral portion of
the rear surface of the ball striking plate having a smaller thickness than the thickened portion,

and
one or more spoke-like reinforcement ribs located on the rear surface and extending away from the desired-contact region toward
the perimeter;

at least three encircling reinforcement ribs located on the rear surface, the at least three encircling reinforcement ribs
at least partially encircling the desired-contact region,

wherein a spacing from one another among the at least three encircling reinforcement ribs increases as a distance from the
desired-contact region increases;

wherein the thickened portion has a length and a width,
wherein the length of the thickened portion is elongated along an axis of elongation;
wherein the length of the thickened portion along the axis of elongation is greater than the width of the thickened portion.

US Pat. No. 9,764,206

GOLF CLUB HEADS WITH OPTIMIZED CHARACTERISTICS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a head body comprising:
a head front portion; a head rear portion;
a head heel portion; a head toe portion;
a head sole portion; a head top portion; and
a hosel structure having a bore for receiving a golf club shaft, the bore having a hosel axis;
a strikeface at the head front portion and comprising a face height and a strikeface centerpoint, the face height being between
33 mm and 71 mm and the strikeface centerpoint positioned at a midpoint of the face height;

a head volume measured in cc's and comprising a head volume magnitude greater than 420 cc;
a head center of gravity;
a first optimization characteristic; and
a second optimization characteristic;
wherein:
when the golf club head is at an address position over a ground plane:
a head vertical axis extends through the head center of gravity and is orthogonal to the ground plane; and
a head horizontal axis extends through the head center of gravity, and is orthogonal to the head vertical axis;
a loft plane of the golf club head is tangent to the strikeface centerpoint;
a front plane of the golf club head extends through the strikeface centerpoint, parallel to the hosel axis, and orthogonal
to the ground plane;

a head depth plane extends through the strikeface centerpoint, parallel to the head horizontal axis and perpendicular to the
loft plane;

a CG height axis extends through the head center of gravity and intersects the head depth plane perpendicularly at a first
intersection point;

a head CG height of the head center of gravity is measured, along the CG height axis, between the head center of gravity and
the first intersection point;

a head CG depth of the head center of gravity is measured, parallel to the ground plane and orthogonal to the front plane,
between:

a second intersection point located at an intersection between the front plane and the ground plane; and
a third intersection point located at an intersection between the head vertical axis and the ground plane;
the head CG depth is approximately 25 mm to approximately 102 mm;
the first optimization characteristic is defined by an absolute value of the head cg height;
the first optimization characteristic is less than or equal to 5.08 mm;
the second optimization characteristic is defined by (a) the head volume magnitude added to (b) a ratio between the head CG
depth divided by the absolute value of the head CG height; and

the second optimization characteristic is greater than or equal to 425 cc;
the head body comprises a weight structure located towards the head sole portion and the head rear portion, wherein the weight
structure protrudes at least partially from an external contour of the head sole portion;

a clock grid comprises at least:
a 12 o'clock ray;
a 3 o'clock ray;
a 4 o'clock ray;
a 5 o'clock ray;
a 8 o'clock ray; and
a 9 o'clock ray;
when the golf club head is at the address position over the ground plane, from a bottom view of the golf club head, the 12
o'clock ray is aligned with the strikeface centerpoint and orthogonal to a front intersection line between the loft plane
and the ground plane;

the clock grid is centered along the 12 o'clock ray, at a midpoint between a front end of the head front portion and a rear
end of the head rear portion;

the 3 o'clock ray extends towards the head heel portion;
the 9 o'clock ray extends towards the head toe portion;
a center of gravity of the weight structure is located between the 5 o'clock ray and the 8 o'clock ray.

US Pat. No. 9,327,170

GOLF CLUBS WITH HOSEL INSERTS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
an exterior head surface comprising:
a strike face;
an exterior crown surface coupled to the strike face, the exterior crown surface comprising an exterior hosel surface, and
the exterior hosel surface comprising a top opening that provides access to an interior head volume of the golf club head;
and

an exterior sole surface coupled to the strike face and opposite the exterior crown surface;
an interior head surface opposite the exterior head surface and defining the interior head volume;
a receiver located within the interior head volume and comprising:
a receiver hosel structure adjacent to the top opening and defined at least in part by the interior head surface opposite
the exterior hosel surface; and

a receiver lower structure separated by the interior head volume from the receiver hosel structure;
and
a shaft sleeve comprising a sleeve bottom coupler;
wherein:
the receiver lower structure comprises a receiver bottom coupler that is complementary with the sleeve bottom coupler and
that is configured to secure the sleeve bottom coupler when the shaft sleeve is seated in the receiver;

one of the sleeve bottom coupler or the receiver bottom coupler comprises:
a female coupler comprising:
a tub bottom surface; and
a tub wall bounding the tub bottom surface; and
a tub diameter of the tub bottom surface bounded by the tub wall;
a different one of the sleeve bottom coupler or the receiver bottom coupler comprises:
a male coupler comprising:
a male coupler bottom surface; and
a male coupler diameter of the male coupler bottom surface;
when the shaft sleeve is fully seated in the receiver:
the tub diameter complementarily accommodates the male coupler diameter; and
the tub bottom surface remains separated from the male coupler bottom surface;
a majority of a top end of the receiver lower structure is exposed to a majority of the interior head volume; and
the majority of the top end of the receiver lower structure is decoupled from the receiver hosel structure.

US Pat. No. 9,205,311

CLUB HEAD WITH SOLE MASS ELEMENT AND RELATED METHOD

KARSTEN MANUFACTURING COR...

1. A golf club head comprising:
a club head body; and
a sole mass element configured to be coupled to the club head body;
wherein:
the golf club head comprises a club head center of gravity (CG);
the golf club head comprises at least one keel point;
the club head CG comprises a club head CG height, the club head CG height being a distance that is parallel to a top-bottom
axis of the golf club head between the club head CG and the at least one keel point; and

when the sole mass element is coupled to the club head body, the club head CG height is less than or equal to approximately
1.415 centimeters;

when the sole mass element is coupled to the club head body, the sole mass element comprises an exposed surface;
the exposed surface of the sole mass element comprises a surface area; and
the surface area of the exposed surface of the sole mass element is greater than or equal to approximately 3 square centimeters
and less than or equal to approximately 39 square centimeters.

US Pat. No. 9,144,722

GOLF CLUB HEADS WITH OPTIMIZED CHARACTERISTICS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a head body comprising:
a head front portion; a head rear portion;
a head heel portion; a head toe portion;
a head sole portion; a head top portion; and
a hosel structure having a bore for receiving a golf club shaft, the bore having a hosel axis;
a strikeface at the head front portion and comprising a face height and a strikeface centerpoint, the face height being between
33 mm and 71 mm and the strikeface centerpoint positioned at a midpoint of the face height;

a head volume measured in cc's and comprising a head volume magnitude greater than 420 cc;
a head center of gravity; and
an optimization characteristic;
wherein:
when the golf club head is at an address position over a ground plane:
a head vertical axis extends through the head center of gravity and is orthogonal to the ground plane; and
a head horizontal axis extends through the head center of gravity, and is orthogonal to the head vertical axis;
a loft plane of the golf club head is tangent to the strikeface centerpoint;
a front plane of the golf club head extends through the strikeface centerpoint, parallel to the hosel axis, and orthogonal
to the ground plane;

a head depth plane extends through the strikeface centerpoint, parallel to the head horizontal axis and perpendicular to the
loft plane;

a CG height axis extends through the head center of gravity and intersects the head depth plane perpendicularly at a first
intersection point;

a head CG height of the head center of gravity is measured, along the CG height axis, between the head center of gravity and
the first intersection point;

a head CG depth of the head center of gravity is measured, parallel to the ground plane and orthogonal to the front plane,
between:

a second intersection point located at an intersection between the front plane and the ground plane; and
a third intersection point located at an intersection between the head vertical axis and the ground plane;
the head CG height is approximately 0 mm to approximately 5.08 mm and the head CG depth is approximately 25 mm to approximately
102 mm;

the optimization characteristic is defined by (a) the head volume magnitude added to (b) a ratio between the head CG depth
divided by an absolute value of the head CG height; and

the optimization characteristic is greater than or equal to 425 cc;
the head body comprises a weight structure located towards the head sole portion and the head rear portion;
a clock grid comprises at least:
a 12 o'clock ray;
a 3 o'clock ray;
a 4 o'clock ray;
a 5 o'clock ray;
a 8 o'clock ray; and
a 9 o'clock ray;
when the golf club head is at the address position over the ground plane, from a bottom view of the golf club head, the 12
o'clock ray is aligned with the strikeface centerpoint and orthogonal to a front intersection line between the loft plane
and the ground plane;

the clock grid is centered along the 12 o'clock ray, at a midpoint between a front end of the head front portion and a rear
end of the head rear portion;

the 3 o'clock ray extends towards the head heel portion;
the 9 o'clock ray extends towards the head toe portion;
a perimeter of the weight structure is bounded between the 4 o'clock ray and the 9 o'clock ray; and
a center of gravity of the weight structure is located between the 5 o'clock ray and the 8 o'clock ray.

US Pat. No. 9,908,010

RELEASABLE AND INTERCHANGEABLE CONNECTIONS FOR GOLF CLUB HEADS AND SHAFTS

Karsten Manufacturing Cor...

1. A golf club, comprising:
a golf club head having a hosel area that provides access to a club head chamber defined in the club head;
a shaft adapter being generally cylindrical in shape having a first end and an opposite second end, wherein an exterior surface
of the shaft adapter includes a first rotation-inhibiting structure, wherein the first rotation-inhibiting structure is not
uniform around the circumference of the exterior surface of the shaft adapter, and wherein the second end includes a securing
structure;

a hosel adapter being generally cylindrical in shape, wherein an internal bore on a first end of the hosel adapter includes
a second rotation-inhibiting structure that engages the first rotation-inhibiting structure, wherein the second rotation-inhibiting
structure is not uniform around the circumference of the internal bore on the first end of the hosel adapter, and further
wherein an exterior surface of the hosel adapter includes a third rotation-inhibiting structure, and wherein the third rotation-inhibiting
structure is not uniform around the circumference of the exterior surface of the hosel adapter;

wherein an internal bore of the club head chamber includes a fourth rotation-inhibiting structure that engages the third rotation-inhibiting
structure, wherein the fourth rotation-inhibiting structure is not uniform around the circumference of the internal bore of
the club head chamber;

a shaft engaged in a cylindrical interior chamber of the shaft adapter; and
a securing system for releasably securing the shaft adapter and the hosel adapter,
wherein the engagement between the first rotation-inhibiting structure and the second rotation-inhibiting structure limits
the adjustment of one of a face angle or a loft angle of a club head and the engagement between the third rotation-inhibiting
structure and the fourth rotation-inhibiting structure limits the adjustment of the other of the face angle or the loft angle
of the club head, and adjusting the face angle is effectively independent of the adjustment of the loft angle, and adjusting
the loft angle is effectively independent of the adjustment of the face angle.

US Pat. No. 9,492,731

DUAL AXLE SKATEBOARD AND TRUCK WITH OUTBOARD SECONDARY WHEELS AND METHOD

Karsten Manufacturing Cor...

1. A skateboard to be ridden by a rider, the skateboard comprising:
a body comprising a top surface for supporting the rider of the skateboard, a bottom surface opposite the top surface, a front
portion, and a rear portion opposite the front portion;

a front truck attached to the bottom surface of the body of the skateboard at the front portion of the body, the front truck
comprising:

a primary front axle;
two primary front wheels rotatably mounted on the primary front axle;
at least one secondary front axle that is parallel to the primary front axle; and
two secondary front wheels rotatably mounted on the at least one secondary front axle; and
a rear truck attached to the bottom surface of the body of the skateboard at the rear portion of the body, the rear truck
comprising:

a primary rear axle;
two primary rear wheels rotatably mounted on the primary rear axle;
at least one secondary rear axle that is parallel to the primary rear axle; and
two secondary rear wheels rotatably mounted on the at least one secondary rear axle;
wherein the at least one secondary front axle is located in front of the primary front axle and the primary rear axle is located
in front of the at least one secondary rear axle.

US Pat. No. 9,358,433

CLUB HEAD WITH CLUB HEAD ALIGNMENT AID AND RELATED METHOD

Karsten Manufacturing Cor...

14. A wood-type club head comprising:
a front end comprising a front face;
a toe end;
a heel end opposite the toe end;
a rear end opposite the front face;
a crown surface comprising a front crown end and a rear crown end; and
an alignment aid at the crown surface and extending between the front crown end and the rear crown end;
wherein:
the front crown end is closer to the front end than to the rear end;
the rear crown end is closer to the rear end than to the front end;
the alignment aid comprises four alignment aid stripes;
each of the four alignment aid stripes are non-collinear with each other;
the four alignment aid stripes comprise a first toe alignment aid stripe, a first heel alignment aid stripe, a second toe
alignment aid stripe, and a second heel alignment aid stripe;

the first toe alignment aid stripe is closer to the toe end than to the heel end;
the first heel alignment aid stripe is closer to the heel end than to the toe end;
the second toe alignment aid stripe is closer to the toe end than the first toe alignment aid stripe;
the second heel alignment aid stripe is closer to the heel end than the first heel alignment aid stripe;
the first toe alignment aid stripe comprises a first toe alignment aid stripe length;
the first heel alignment aid stripe comprises a first heel alignment aid stripe length;
the second toe alignment aid stripe comprises a second toe alignment aid stripe length;
the second heel alignment aid stripe comprises a second heel alignment aid stripe length; and
the first toe alignment aid stripe length, the second toe alignment aid stripe length, the first heel alignment aid stripe
length, and the second heel alignment aid stripe length are each greater than or equal to approximately 8.0 centimeters and
less than or equal to approximately 12 centimeters;

the first toe alignment aid stripe is offset from the second toe alignment aid stripe by a toe offset region;
the first heel alignment aid stripe is offset from the second alignment aid stripe by a heel offset region;
the first toe alignment aid stripe is offset from the first heel alignment aid stripe by a center offset region;
the toe offset region comprises a toe offset region width;
the heel offset region comprises a heel offset region width;
the center offset region comprises a center offset region width;
the toe offset region width is approximately equal to the heel offset region width; and
the toe offset region width and the heel offset region width are each narrower than the center offset region width.

US Pat. No. 10,124,224

GOLF CLUB HEADS WITH APERTURES AND FILLER MATERIALS

Karsten Manufacturing Cor...

1. A golf club head comprising:a face, a heel, a toe, a top edge, and a sole;
a back defined opposite the face;
a crown extending between the top edge of the face to the back and between the heel to the toe, the crown comprising:
a first region having a center portion being concave relative to the face;
a second region between the first region and the back; and
a plurality of apertures in the second region, a largest dimension of at least one aperture being less than or equal to 0.25 inch, wherein all of the apertures have generally the same largest dimension;
a hollow region defined at least in part by one or more of the face, the back, the crown, the sole, the heel, and the toe, wherein at least a portion of the hollow region includes a filler material; and
wherein the number of the plurality of apertures is in a range of between 60 to 1500 apertures.

US Pat. No. 10,029,160

GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A golf club head, comprising: a body including: a ball striking face, a cavity defined in the body at a location behind the ball striking face, an opening at a surface of the body other than the ball striking face, wherein the opening opens into the cavity, and a slot intersecting the cavity and extending in a direction away from the cavity, wherein the slot is separate from the opening; and a polymeric material provided in the cavity;wherein the slot extends to and opens at the ball striking face:
wherein the slot extends in a heel-to-toe direction of the body for a length in a range of 5%-95% of a heel-to-toe length dimension of the body at a location of the opening;
wherein the ball striking face has a plurality of slots, and
wherein the slots extend rearward from the ball striking face at a non-perpendicular angle with respect to the ball striking face;
wherein the polymeric material extends to the ball striking face and at least partially fills the slots.

US Pat. No. 9,950,220

GOLF CLUB HEAD WITH MOLDED CAVITY STRUCTURE

Karsten Manufacturing Cor...

1. A golf club head having a strike face, a crown, and a sole, the golf club head comprising:a forward section including the strike face;
a body section coupled with the forward section, the body section including an upper shell that defines a portion of the crown, a lower shell that defines a portion of the sole, and an internal wall that extends from the upper shell to the lower shell;
wherein the internal wall is integrally molded with at least one of the upper shell or the lower shell and is formed from a polymeric material;
wherein at least one of the upper shell and the lower shell defines an opening that is in communication with a cavity extending between the upper shell and the lower shell; and
wherein the cavity is at least partially defined by the internal wall
wherein the internal wall is one or more internal walls, the opening is one or more openings, and the cavity is two or more cavities;
wherein each of the two or more cavities is in communication with a respective one of the one or more openings; and
wherein the number of cavities is greater than the number of openings.

US Pat. No. 9,931,548

GOLF CLUB HEAD WITH POLYMERIC INSERT

Karsten Manufacturing Cor...

1. A golf club head comprising:a first portion joined to a second portion to at least partially define an interior club head volume;
wherein the first portion includes:
a wall defining an outer boundary of a club head volume; and
a support rib extending from the wall to operatively stiffen the first portion;
wherein the second portion of the golf club head defines a slot that receives a portion of the support rib; and
wherein:
the support rib is adhered within the slot to join the first portion and the second portion;
the support rib is disposed within a stiffening plane; and
the stiffening plane intersects the wall at an angle of from about 45 degrees to about 135 degrees.

US Pat. No. 9,925,428

GOLF CLUB HEAD OR OTHER BALL STRIKING DEVICE HAVING IMPACT-INFLUENCING BODY FEATURES

Karsten Manufacturing Cor...

1. A golf club head comprising:a club head body member made of at least a first material comprising a heel, a toe, a portion of a crown, a sole, and a portion of a ball striking surface; and
a face member made of a plurality of materials comprising a portion of the ball striking surface and a portion of the crown,
wherein the plurality of materials of the face member comprises at least a second material and a third material,
wherein the third material is located entirely on the crown of the club head;
wherein the third material is entirely surrounded by the second material;
wherein the third material has a modulus of elasticity that is lower than the second material; and wherein the third material has a density that is higher than a density of both the first material and the second material.

US Pat. No. 9,889,347

GOLF CLUB FACE PLATES WITH INTERNAL CELL LATTICES AND RELATED METHODS

Karsten Manufacturing Cor...

1. A cell lattice comprising:
an inner skin;
an outer skin;
a plurality of walls having:
a plurality of axes extending centrally through the plurality of walls between the inner skin and the outer skin, wherein
the plurality of walls extend from the axes at an angle less than or equal to approximately 45 degrees; and

a wall thickness that varies relative to position from the inner skin and the outer skin;
a plurality of cells defined by the plurality of walls, the plurality of cells positioned between the inner skin and the outer
skin; and

a plurality of apertures for removal of excess material in the cell lattice, the plurality of apertures including at least
a first aperture positioned near a center of the cell lattice and remaining apertures positioned around a perimeter of the
cell lattice,
wherein the plurality of apertures is positioned through the inner skin of the cell lattice or through the outer skin of the
cell lattice.

US Pat. No. 9,731,170

GOLF CLUBS AND GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a first member comprising a perimeter member and an arm extending from the perimeter member, wherein the perimeter member
is a perimeter of a portion of the first member and has a cavity positioned within the perimeter member and defined by the
perimeter member, wherein the arm is configured for connection of a shaft; and

a second member comprising a face having a striking surface configured for striking a ball and a club head body positioned
behind the face, the second member having a receiving slot positioned behind the face, wherein the perimeter member of the
first member is at least partially received within the receiving slot,

wherein the second member includes an opening at least partially defining a rear cavity in a rear of the body, opposite the
face, and wherein the rear cavity is in communication with the receiving slot, such that at least a portion of the first member
is exposed within the rear cavity.

US Pat. No. 9,539,476

FACE PLATE FOR A GOLF CLUB HEAD

Karsten Manufacturing Cor...

1. A golf club head comprising:
a face plate having a contoured rear surface, the contoured rear surface including a central thickened region having a first
non-circular, elliptical outer edge surrounded by a transition region tapered from the central thickened region toward a thinner
peripheral region, the transition region having a second non-circular, elliptical outer edge,

wherein the first non-circular, elliptical outer edge has a first aspect ratio, a first major axis and a first minor axis,
wherein the second non-circular, elliptical outer edge has a second aspect ratio, a second major axis and a second minor axis,
the second major axis being equal to the first major axis plus a predetermined distance and the second minor axis being equal
to the first minor axis plus the predetermined distance,

wherein the first aspect ratio is greater than the second aspect ratio,
wherein the first aspect ratio is greater than 1.4 and less than 4.2;
wherein the central thickened region comprises a maximum thickness of the face plate; and
wherein the central thickened region comprises a constant thickness throughout its entirety and the central thickened region
extends through a centerpoint of the first elliptical outer edge and the second elliptical outer edge.

US Pat. No. 9,278,264

GOLF CLUB HEADS WITH LOFT-BASED WEIGHTS AND METHODS TO MANUFACTURE GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A set of golf clubs comprising:
a first club having a first club head, the first club head comprising: a first toe end, a first heel end, a first front end,
a first back end, a first top wall portion, a first bottom wall portion, a first face portion associated with a first loft
angle defined by a first loft plane and a first front end plane, the first front end plane is perpendicular to a first ground
plane, and a first weight, at least a portion of the first weight positioned along a first axis extending between the first
front end and the first back end; and

a second club having a second club head, the second club head comprising: a second toe end, a second heel end, a second front
end, a second back end, a second top wall portion, a second bottom wall portion, a second face portion associated with a second
loft angle defined by a second loft plane and a second front end plane, the second front end plane is perpendicular to the
first ground plane, and a second weight, at least a portion of the second weight positioned along a second axis extending
between the second front end and the second back end,
wherein:
the first face portion comprises:
a first region comprising a first thickness profile; and
a second region comprises a second thickness profile;
the second face portion comprises:
a first region comprising a first thickness profile; and
a second region comprising a second thickness profile;
a first center of mass of the first club head is positioned at or proximate to a first distance relative to the first front
end plane;

a second center of mass of the second club head is positioned at or proximate to a second distance relative to the second
front end plane;

a first height is defined as a third distance between the first center of mass of the first club head and the first bottom
wall portion of the first club head;

a second height is defined as a fourth distance between the second center of mass of the second club head and the second bottom
wall portion of the second club head;

the first thickness profile of the first region of the first face portion is different than the second thickness profile of
the second region of the first face portion;

the first thickness profile of the first region of the second face portion is different than the second thickness profile
of the second region of the second face portion;

the first thickness profile of the first region of the first face portion is substantially equal to the first thickness profile
of the first region of the second face portion;

the second thickness profile of the second region of the first face portion is substantially equal to the second thickness
profile of the second region of the second face portion;

the first loft angle is greater than the second loft angle;
the second loft angle is greater than 15 degrees;
the first distance is less than the second distance;
the first height is less than the second height; and
the first distance is defined by a first equation of ((?0.0024*?)+1.28)?x?((+0.0024*?) +0.98), where the first distance, x,
has units of inches and the first loft angle, ?, has units of degrees.

US Pat. No. 9,975,017

GOLF CLUB HEADS HAVING A HYDROPHOBIC SURFACE AND METHODS TO MANUFACTURE GOLF CLUB HEADS HAVING A HYDROPHOBIC SURFACE

Karsten Manufacturing Cor...

1. A golf club head comprising:a ball-striking face; and
at least two channels formed in the ball-striking face, wherein the channels are separated by a land portion of the ball-striking face extending therebetween, wherein the land portion is associated with at least a first step portion extending at a first elevation and a second step portion extending at a second elevation, the second elevation being higher than the first elevation relative to a bottom of the channels,
wherein the first step portion is defined by a first lateral portion extending substantially parallel to one or more bottoms of the channels and a first upturned or vertical portion extending upwardly and substantially perpendicular to one or more bottoms of the channels
and,
the second step portion is defined by a second lateral portion and a pair of second perpendicular upturned portions;
and wherein each of the first and second step portions is so dimensioned as to be associated with a substantially hydrophobic contact angle;
wherein the substantially hydrophobic contact angle is about 110 degrees or greater.

US Pat. No. 9,533,205

GOLF BAGS WITH RETENTION SYSTEM AND METHODS TO MANUFACTURE GOLF BAGS

Karsten Manufacturing Cor...

1. A golf bag comprising:
an elongated body having an open top end and a closed bottom end;
an extensible bag stand including a retraction mechanism having a first end connected to the elongated body and a second end
attached to a plurality of legs for applying a biasing force to the plurality of legs for retraction and deployment of the
plurality of legs, each of the plurality of legs having one end pivotally attached to the elongated body for positioning the
plurality of legs between a deployed position and a retracted position by the retraction mechanism, and

a retention system including a biasing portion having a first end attached to a first portion of the elongated body and a
second end attached to a second portion of the elongated body, the biasing portion being arranged such that the retraction
mechanism is positioned between the elongated body and the biasing portion, wherein the biasing portion is configured to retract
the retraction mechanism in response to an external force applied to the biasing portion such that the biasing portion positions
and maintains the retraction mechanism substantially in the retracted position.

US Pat. No. 9,050,509

GOLF CLUB HEADS AND METHODS OF MANUFACTURING GOLF CLUB HEADS

Karsten Manufacturing Cor...

11. A golf club comprising:
a golf club head comprising
a strike face having:
a face portion;
one or more channels with a first sidewall and a second sidewall, the first sidewall comprises a first thirty degree point
relative to the face portion and the second sidewall comprises a second thirty degree point and the face portion;

a first angled surface between the first thirty degree point and the face portion and a second angled surface between the
second thirty degree point and the face portion; and

a cover layer located over the face portion; and
a shaft coupled to the golf club head;
wherein:
the face portion is substantially flat;
each of the one or more channels is symmetric;
the first angled surface and the second angled surface each are at an eight to eighteen degree relative to the face portion;
the cover layer has a first reflectivity;
the one or more channels have a second reflectivity;
the first reflectivity is different from the second reflectivity; and
the first angled surface, the second angled surface, and the one or more channels are devoid of being covered by the cover
layer.

US Pat. No. 10,112,084

GOLF CLUB HEAD HAVING A SUPPORT TO LIMIT FACEPLATE DEFORMATION

Karsten Manufacturing Cor...

1. A golf club head comprising:a body including:
a face plate having a strike surface and an opposing interior surface,
wherein a distance between the strike surface and the opposing interior surface of the face plate defines a thickness of the face plate,
and the thickness of the face plate is uniform;
a rear end; and
a sole connecting the face plate with the rear end, wherein the opposing interior surface of the face plate, an interior surface of the rear end, and an interior surface of the sole partially define a cavity; and
an insert positioned within the cavity, the insert comprising:
a first end configured to contact the entire interior surface of the sole;
a second end opposite the first end; and
a front portion configured to face the opposing interior surface of the face plate, the
front portion having:
a first insert surface in contact with the opposing interior surface of the face plate and positioned between the first end and the second end; and
a second insert surface positioned adjacent and offset from the first insert surface;
wherein the second insert surface is spaced apart from the opposing interior surface of the face plate defining a distance between the second insert surface and the opposing interior surface of the face plate; and
wherein the distance between the second insert surface and the opposing interior surface of the face plate ranges from 0.005-0.060 inch.

US Pat. No. 9,694,251

RELEASABLE AND INTERCHANGEABLE CONNECTIONS FOR GOLF CLUB HEADS AND SHAFTS

Karsten Manufacturing Cor...

1. A golf club head/shaft connection assembly, comprising:
a shaft engaging member having a smooth cylindrical wall and an overall axial length and including an exterior surface and
an open first end that defines a cylindrical interior chamber for receiving a golf club shaft, wherein the exterior surface
extends beyond the cylindrical interior chamber, wherein the shaft engaging member further includes a rotation-inhibiting
structure extending in a longitudinal direction away from the open first end and less than 15% of the overall axial length,
wherein the rotation-inhibiting structure is spaced from the open first end and a distal end opposite the first end, and wherein
the rotation-inhibiting structure includes a smooth sloped wall;

a club head engaging member configured to be engaged with a golf club head, the club head engaging member including a smooth
cylindrical wall and an opening for receiving at least a portion of the shaft engaging member, wherein the club head engaging
member includes structure for engaging the rotation-inhibiting structure; and

a retaining member made from a polymer material that is configured to locate the shaft engaging member in the golf club head,
the distal end of the shaft engaging member having a reduced diameter for engaging the retaining member;

wherein rotating the shaft engaging member with respect to the club head engaging member allows the adjustability of various
angles and/or positions of the shaft with respect to the golf club head.

US Pat. No. 10,758,797

GOLF CLUB HEAD WITH HIDDEN SCREW PORT

Karsten Manufacturing Cor...

1. A golf club head comprising:a ball striking face and a body that cooperate to define an internal volume therebetween, the body defining an outer surface and a plurality of ports that are each adapted to receive a threaded fastener,
wherein each port includes:
a recessed surface that extends inward from the outer surface of the body,
a port opening defined by the intersection of the recessed surface and the outer surface,
a bore recessed inward relative to the outer surface of the body, wherein the bore is fluidly isolated from the internal volume,
wherein the bore is adapted to receive the threaded fastener; and
a plurality of doors hingably coupled to the body and pivotable between a first position that is substantially flush with the outer surface and a second position that is deflected inward of the outer surface;
wherein the plurality of doors at least partially blocks ingress of the threaded fastener into the bore when in the first position, and permits ingress of the threaded fastener into the bore when in the second position;
wherein each of the plurality of doors is hingably coupled to the body and pivotable between a first position that is recessed inward of the outer surface and a second position that is deflected further inward of the outer surface.

US Pat. No. 10,022,601

GOLFL CLUB HEADS WITH CAVITIES AND INSERTS AND RELATED METHODS

Karsten Manufacturing Cor...

10. A golf club head comprising:a body comprising:
a strikeface at a front of the golf club head;
a backface opposite the strikeface;
a heel region;
a toe region opposite the heel region;
a sole;
a rear portion at a rear of the golf club head; and
a cavity located between the backface and the rear portion comprising:
a face side wall comprising a portion of the backface;
a rear side wall opposite the face side wall;
a bottom wall between the face side wall and the rear side wall; a post extending from the bottom wall into a portion of the cavity; and
a width measured from the face side wall to the rear side wall;
and
an insert received within the cavity;
wherein:
the insert comprises:
a first component comprising a back surface configured to be adjacent to the rear side wall of the golf club head, a front surface opposite the back surface, a bottom surface, a top surface opposite the bottom surface, a toe-region side, a heel region side opposite the toe-region side, and an elastically deformable material; and
a retainer configured to be received within the first component of the insert comprising a top surface, a bottom surface and a plastically deformable material.

US Pat. No. 9,914,026

GOLF CLUB HEAD OR OTHER BALL STRIKING DEVICE HAVING IMPACT-INFLUENCING BODY FEATURES

Karsten Manufacturing Cor...

1. A golf club head comprising:
a face having a striking surface configured for striking a ball, an upper edge, a lower edge, a heel edge, and a toe edge;
a body connected to the face and extending rearwardly from the face, the body having a crown, a sole, a heel, and a toe;
a channel extending across a portion of the sole in a heel to toe direction,
wherein the body and the face are integrally joined at a joint to form an interior cavity and the upper edge, the lower edge,
the heel edge, and the toe edge of the face are defined by the joint;

wherein the face has multiple thickness regions having a center region positioned near a center of the face, a heel region
positioned on the heel, a toe region positioned on the toe, an upper region positioned between the center region and the upper
edge of the face, and a lower region positioned between the center region and the lower edge of the face;

wherein the upper region has a ramped thickness that decreases as a function of a distance away from the center region to
the upper edge; and

wherein the channel is recessed from adjacent surfaces of the sole and has a depth of recession from the adjacent surfaces
of the sole, wherein the channel comprises a center portion extending across a center of the sole, a heel portion extending
from a heel end of the center portion toward the heel, and a toe portion extending from a toe end of the center portion toward
the toe;

wherein the channel has a rear wall, a front wall, a front edge, a rear edge, and a width defined between the front edge and
the rear edge, and

wherein the center portion of the channel has an asymmetric cross-sectional shape where the front wall of the center portion
of the channel has a first length and the rear wall of the center portion of the channel has a second length wherein the first
length is greater than the second length; and

a first rib having a pair of side walls and an upper surface extending into the toe portion of the channel connected to the
front wall and the rear wall of the channel and a second rib having a pair of side walls and an upper surface extending into
the heel portion of the channel connected to the front wall and the rear wall of the channel.

US Pat. No. 9,827,464

METHODS, APPARATUS, AND SYSTEMS TO CUSTOM FIT GOLF CLUBS

Karsten Manufacturing Cor...

1. A system comprising:
a trajectory analyzer configured to:
receive, from a tracking device, measured first ball launch information of a golf shot of a first golf ball by an individual,
the measured first ball launch information comprising:

first golf ball physical attribute information comprising at least one of:
a first drag coefficient of the first golf ball; or
a first lift coefficient of the first golf ball; and
wherein, the measured first ball launch information is further treasured from the first golf ball during launch thereof after
impact by a golf club, and further comprises at least a first-ball first-parameter, the first-ball first-parameter being one
of:

a measured first ball launch velocity of the first ball;
a measured first ball vertical launch angle of the first ball;
a measured first ball horizontal launch angle of the first ball;
a measured first ball launch spin of the first ball; or
a measured first ball launch spin ahs of the first ball;
wherein, the measured first ball launch information is further measured from the first golf ball during launch thereof after
impact by the golf club, further comprises at least a first-ball second-parameter of the first ball, the first-ball second-parameter
being one of:

the measured first ball launch velocity of the first ball,
the measured first ball vertical launch angle of the first ball,
the measured first ball horizontal launch angle of the first ball,
the measured first ball launch spin of the first ball, or
the measured first ball launch spin axis of the first ball;
wherein the first-hall first parameter is different from the first ball second-parameter;
wherein the measured first ball launch information including the first golf ball physical attribute information, the first-ball
first-parameter, and the first-ball second-parameter is displayed as a three-dimensional trajectory of the golf shot of the
first golf ball using a graphical user interface; and

a component option analyzer configured to:
receive one or more characteristics of the individual, including physical characteristic information of the individual;
identify a reference shaft for the individual based on the physical characteristic information of the individual and prior
to any swing of the reference shaft by the individual;

receive shaft feedback information of the individual with respect to a performance of the reference shaft, the shaft feedback
information comprising one or more shaft characteristic preferences of the individual based on an assessment by the individual
of one or more reference shaft characteristics of the reference shaft respect to one or more golf swings of the reference
shaft by the individual;

execute a shaft comparison between shaft characteristic information of the reference shaft and shaft characteristic information
of a plurality of available shafts not yet swung by the individual, the shaft comparison being based on the shaft feedback
information of the individual, the shaft characteristic information of the reference shaft comprising information about the
one or more reference shaft characteristics of the reference shaft; and

identify one or more recommended shafts from the plurality of available shafts based on the shaft comparison to custom fit
the individual with one or more golf clubs,

wherein, the component option analyzer is further configured to generate a shaft ranking of the one or more recommended shafts
based on the shaft comparison and with respect to a weighting between the one or more shaft characteristic preferences of
the individual relative to the shaft characteristic information of the plurality of available shafts; and

wherein the individual performs the golf shot using one of the at least one or more recommended shafts.

US Pat. No. 9,713,750

ADJUSTABLE GOLF CLUB AND SYSTEM AND ASSOCIATED GOLF CLUB HEADS AND SHAFTS

Karsten Manufacturing Cor...

1. A method of providing a line of golf clubs, the line comprising at least one model of a first club type, the method comprising
the steps of:
designing a head for the first club type wherein the head has a reference loft angle; and
manufacturing the head to have the reference loft angle,
wherein the head permits adjustment of at least the loft angle such that the head is adjustable to at least three settings
for the loft angle, and a set of non-adjustable parameters for the head are substantially unchanged within a predetermined
tolerance, such that P*n*x club configurations are provided in the line, wherein P is a number of settings for the loft angle,
n is a number of shaft flex options, and x is a number of head types,

wherein a first number of golf clubs in the line of golf clubs is less than a second number of golf clubs required to provide
the same club configurations by designing and manufacturing multiple heads with individually designed-in loft angles.

US Pat. No. 10,112,086

ASCENDING WEIGHT IRON SHAFT SYSTEM

Karsten Manufacturing Cor...

1. A plurality of starting stocks for manufacturing shafts of a system of golf clubs, comprising:a plurality of first starting stocks having a first average outer diameter, a first average inner diameter, a first average cross-sectional area, and first average weight-to-length ratio;
a plurality of second starting stocks having a second average outer diameter, a second average inner diameter, a second average cross-sectional area, and a second average weight-to-length ratio, wherein the second average weight-to-length ratio is greater than the first average weight-to-length ratio;
wherein one of the plurality of first starting stocks is configured to be cut to a first length, resulting in a first shaft having a first weight, the first shaft being assembled to a first club head with a first loft angle to make a first golf club in a particular stiffness class;
wherein one of the plurality of second starting stocks is configured to be cut to a second length, resulting in a second shaft having a second weight, the second shaft being assembled to a second club head with a second loft angle to make a second golf club in the same stiffness class as the first golf club, wherein the second weight is greater than the first weight, the second length is less than the first length, and the second loft is greater than the first loft;
wherein one of the plurality of first starting stocks is configured to be cut to a third length, resulting in a third shaft having a third weight, the third shaft being assembled to a third club head with a third loft angle to make a third golf club in a smaller stiffness class than the first golf club, wherein the third weight is less than the first weight, the third length is less than the first length and the third loft is greater than the first loft;
wherein one of the plurality of second starting stocks is configured to be cut to a fourth length, resulting in a fourth shaft having a fourth weight, the fourth shaft being assembled to a fourth club head with a fourth loft angle to make a fourth golf club in a smaller stiffness class than the second golf club, wherein the fourth weight is less than the second weight, the fourth length is less than the second length and the fourth loft is greater than the first loft;
wherein one of the plurality of first starting stocks is configured to be cut to a fifth length, resulting in a fifth shaft having a fifth weight, the fifth shaft may be assembled to a fifth club head with a fifth loft angle to make a fifth golf club in a greater stiffness class than the first golf club, wherein the fifth weight is greater than the first weight, the fifth length is greater than the first length and the fifth loft is less than the first loft;
wherein one of the plurality of second starting stocks is configured to be cut to a sixth length, resulting in a sixth shaft having a sixth weight, the sixth shaft may be assembled to a sixth club head with a sixth loft angle to make a sixth golf club in a greater stiffness class than the second golf club, wherein the sixth weight is greater than the second weight, the sixth length is greater than the second length, and the sixth loft is less than the first loft.

US Pat. No. 10,112,083

GOLF CLUBS WITH ADJUSTABLE LIE AND LOFT AND METHODS OF MANUFACTURING GOLF CLUBS WITH ADJUSTABLE LIE AND LOFT

Karsten Manufacturing Cor...

1. A golf club head comprising:a body having a top rail portion, a sole portion, and a recess portion extending between the top rail portion and the sole portion;
a hosel comprising a first end configured to rotationally connect to the body and a second end configured to receive a shaft,
wherein the hosel comprises a front side, a toe side, a heel side, and a rear side,
wherein the hosel first end comprises a curvature from the hosel front side to the hosel rear side,
wherein the body further comprises a slot configured to receive the first end of the hosel,
wherein the slot comprises a top side, a front side, a toe side, a heel side, and a rear side,
wherein the slot top side comprises a curvature from the slot front side to the slot rear side,
wherein the hosel is connected in the slot with at least one pin extending through the body and engaged in a bore in the hosel, and
wherein the bore in the hosel defines an axis of rotation of the hosel relative to the body,
wherein the bore in the hosel extends from the heel side of the hosel through to the toe side of the hosel,
and
an insert configured to be inserted in the recess portion and coupled to the first end of the hosel,
the insert configured to be positioned in the recess portion at one rotational position of a plurality of different rotational positions corresponding to a plurality of different angles between the body and the shaft,
wherein the first end of the hosel comprises a bolt configured to be inserted through the insert and engaged with a threaded bore from the sole portion to fix the body relative to the shaft at the one rotational position.

US Pat. No. 9,889,346

GOLF CLUB HEAD OR OTHER BALL STRIKING DEVICE HAVING IMPACT-INFLUENCING BODY FEATURES

Karsten Manufacturing Cor...

1. A golf club head comprising:
a face having a striking surface configured for striking a ball;
a body connected to the face and extending rearwardly from the face, the body having a crown, a sole, a heel, and a toe;
an elongated channel extending across a portion of the sole in a heel to toe direction, wherein the elongated channel is recessed
from adjacent surfaces of the sole and has a depth of recession from the adjacent surfaces of the sole, wherein the elongated
channel comprises a center portion extending parallel to the face across a center of the sole, a heel portion extending from
a heel end of the center portion toward the heel, and a toe portion extending from a toe end of the center portion toward
the toe,

wherein the elongated channel has a front edge, a rear edge, a width defined between the front and rear edges, and a variable
cross-sectional shape along a length of the elongated channel from the center portion to the heel end and from the center
portion to the toe end, wherein the variable cross-sectional shape of the center portion of the elongated channel is substantially
semi-circular and the variable cross-sectional shape of the elongated channel at the heel and toe portions is substantially
trapezoidal, and wherein the variable cross-sectional shape of the elongated channel is different at the heel and toe portions
than at the center portion, wherein the elongated channel has a wall thickness that gradually increases or decreases to create
a different wall thickness at the center portion, the heel portion, and the toe portion, and wherein the wall thickness has
one or more steps in the wall thickness to create these different wall thicknesses, and further wherein an access for a hosel
connecting structure is in communication with and intersects the heel portion of the elongated channel.

US Pat. No. 9,855,472

CLUB HEADS WITH VARYING GROOVE PARAMETERS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A set of golf club heads, the set of golf club heads comprising:
a first golf club head comprising:
a first club head body comprising a first club face portion;
and
a second golf club head comprising:
a second club head body comprising a second club face portion;
wherein:
the first club face portion comprises a first club face surface and multiple first club grooves;
each first club groove, respectively, of the multiple first club grooves comprises a first club groove base, a first club
groove sidewall adjacent to the first club groove base, a first club groove length dimension, a first club groove central
axis approximately perpendicular to the first club groove base, and a first club groove cross sectional area approximately
perpendicular to the first club groove length dimension and intersecting the first club groove central axis;

the first club groove central axis of at least two first club adjacent grooves of the multiple first club grooves are spaced
apart by a first club groove pitch;

the first club groove base comprises a first groove base width;
the first club groove sidewall forms a first club groove sidewall angle;
the second club face portion comprises a second club face surface and multiple second club grooves;
each second club groove, respectively, of the multiple second club grooves comprises a second club groove base, a second club
groove sidewall adjacent to the second club groove base a second club groove length dimension, a second club groove central
axis approximately perpendicular to the second club groove base, and a second club groove cross sectional area approximately
perpendicular to the second club groove length dimension and intersecting the second club groove central axis;

the second club groove central axis of at least two second club adjacent grooves of the multiple second club grooves are spaced
apart by a second club groove pitch;

the second club groove base comprises a second groove base width;
the second club groove sidewall forms a second club groove sidewall angle;
the first club groove base width is less than the second club groove base width;
the first club groove sidewall angle is greater than the second club groove sidewall angle; and
a first ratio of the first club groove cross sectional area to the first club groove pitch is approximately equal to a second
ratio of the second club groove cross sectional area to the second club groove pitch.

US Pat. No. 9,808,683

IRON-TYPE GOLF CLUB HEAD OR OTHER BALL STRIKING DEVICE

Karsten Manufacturing Cor...

1. An iron-type golf club head comprising:
a face having a ball-striking surface configured for striking a ball;
a body connected to the face, the body having a sole surface configured to confront a playing surface in use,
wherein the head is formed in part by a face member having a first leg forming at least a major portion of the face and a
second leg extending rearwardly from a bottom end of the first leg and forming at least a portion of the sole surface, and
the head is further formed in part by a body member connected to the face member, the body member having a top portion forming
at least a portion of a top side of the body and a bottom portion forming at least a portion of the sole surface, and

wherein a juncture is formed between the face member and the body member, the juncture extending continuously across a top
side of the body, between a top end of the first leg and the top portion of the body member, downward along a heel side and
a toe side of the body, and across the sole surface of the body, between a rear end of the second leg and the bottom portion
of the body member;

a connection structure connecting the face member to the body member to form the head, wherein the connection structure comprises
a plurality of weld line segments along the juncture, wherein the plurality of weld line segments are intermittent and extend
over less than the entire juncture; and

a projection extending rearward from the second leg, the projection forming a portion of the sole surface, and wherein the
body member has an indent cooperatively dimensioned with the projection, the indent receiving the projection when the body
member is connected to the face member, such that the juncture between the face member and the body member has a rearward
jog formed by the projection.

US Pat. No. 9,757,626

GOLF CLUB HEADS WITH PROTECTIVE LAYER AND METHODS OF MANUFACTURING THE GOLF CLUB HEADS

KARSTEN MANUFACTURING COR...

1. A golf club head comprising:
a ball-striking face, wherein the ball-striking face is associated with a first hardness;
a protective aluminum oxide layer coupled to the ball-striking face;
wherein the protective aluminum oxide layer is associated with a second hardness, and wherein the second hardness is greater
than the first hardness;

the ball-striking face comprises, by weight, about 0.15% to about 0.40% copper, about 0.04% to about 0.35% chromium, and balance
aluminum;

the second hardness is about 105 in Brinell scale; and
wherein a thickness of the ball-striking face is reduced in order to reduce weight of the ball-striking face by at least 10
grams compared to a ball-striking face without a protective aluminum oxide layer, wherein the at least 10 grams of weight
is redistributed to move a center of gravity of the golf club head away from the ball-striking face and lower the center of
gravity toward the bottom portion of the golf club head.

US Pat. No. 9,630,072

GOLF CLUB HEAD OR OTHER BALL STRIKING DEVICE WITH WEIGHTED BODY MEMBER

Karsten Manufacturing Cor...

1. An iron-type golf club head comprising:
a face member comprising a hosel, an iron-type face defined by a plurality of peripheral edges and having a ball striking
surface configured for striking a ball, the face member having a peripheral wall extending rearwardly from the peripheral
edges of the face, wherein the face member is formed primarily of a metallic material, and wherein the face has a loft angle
of about 20° to about 65°; and

a body member connected to at least a portion of the peripheral wall of the face member to form at least a portion of an iron-type
body extending rearwardly from the peripheral edges of the face, wherein the body member is formed at least partially of a
polymer material;

wherein the body member has a fiber reinforced portion containing a fiber reinforcing material within the polymer material;
and

wherein the face member and the body member define an enclosed interior cavity within the club head.

US Pat. No. 9,393,465

GOLF CLUB HEADS WITH RIBS AND RELATED METHODS

Karsten Manufacturing Cor...

22. A golf club head comprising:
a heel portion comprising a heel end;
a toe portion comprising a toe end;
a sole;
a crown;
a skirt between the sole and the crown;
a faceplate coupled to at least one of the sole or the crown at a club head front end; and
a first ribbed region comprising at least part of the crown;
wherein:
the first ribbed region comprises:
a first ribbed wall comprising:
a first ribbed wall interior surface facing an interior of the golf club head;
a first ribbed wall exterior surface facing an exterior of the golf club head opposite the first ribbed wall interior surface;
and

a first ribbed wall thickness of approximately 0.38 mm to approximately 0.76 mm between the first ribbed wall interior surface
and the first ribbed wall exterior surface;

and
ribs protruding from the first ribbed wall and comprising:
a first rib comprising:
 a first rib length measured along a rib centerline of the first rib;
 a first rib interior section, protruding from the first ribbed wall interior surface by approximately 0.25 mm to approximately
1.27 mm throughout the first rib length;

 a first rib exterior section, protruding from the first ribbed wall exterior surface by approximately 0.25 mm to approximately
1.27 mm and opposite the first rib interior section throughout the first rib length;

a second ribbed region comprising at least part of the sole and having a second ribbed wall thickness of approximately 0.13
mm to approximately 1.27 mm;

a third ribbed region comprising at least part of the sole and having a third ribbed wall thickness of approximately 1.27
mm to approximately 1.27 mm; and

a sole thick region located at the sole, having a thickness greater than the second and third ribbed wall thicknesses, and
separating the second ribbed region from the third ribbed region;

wherein:
the second ribbed region extends to the skirt and is located at the toe portion of the golf club head; and
the third ribbed region extends to the skirt and is located at the heel portion of the golf club head.

US Pat. No. 9,827,473

GOLF CLUB HEAD OR OTHER BALL STRIKING DEVICE HAVING REINFORCED SOLE

Karsten Manufacturing Cor...

1. A golf club head comprising:
a face having an outer surface configured for striking a ball and a rear surface opposite the outer surface;
a body joined to the face around peripheral edges of the face and extending rearwardly from the face, such that the body and
the face combine to define an interior cavity surrounded by an interior surface of the head, the body having a crown and a
sole, with the crown having an upper crown surface forming at least a portion of a top of the head and a lower crown surface
opposite the upper crown surface and the sole having a bottom sole surface configured to confront a playing surface and an
upper sole surface opposite the bottom sole surface, wherein the lower crown surface, the upper sole surface, and the rear
surface of the face form portions of the interior surface of the head; and

a bracing member connected to the interior surface of the head, the bracing member comprising a plurality of trusses connected
to a plurality of connection points spaced from each other on the interior surface, with each truss extending inwardly into
the interior cavity from the connection point thereof, such that the plurality of trusses form a bridge portion extending
inwardly into the interior cavity and being spaced from the interior surface, wherein the plurality of trusses comprise a
first truss having a first end connected to the lower crown surface and spaced rearwardly from the face.

US Pat. No. 9,724,573

GOLF CLUBS AND GOLF CLUB HEADS

Karsten Manufacturing Cor...

2. A golf club head, comprising:
a face plate formed from metal;
a club head body formed from fiber reinforced plastic, wherein the club head body is formed separately from the face plate
and is attached to the face plate, the club head body comprising a crown and a sole;

a sole plate, wherein the sole plate is formed separately from the face plate and the club head body and is attached to the
club head body, wherein the sole plate is formed of a different material than the club head body, and wherein the sole plate
has a higher density than the club head body;

wherein the face plate includes a hitting face and a flange extending rearwardly from the hitting face, wherein the flange
is connected to the club head body, wherein the flange is connected to the sole of the club head body, and wherein the sole
plate is spaced rearwardly and apart from the flange; and

wherein the crown further comprises a first rib and a second rib, where each rib is oriented in a front to rear direction
and extends from the crown toward an interior space of the golf club head, and wherein a space between the first rib and the
second rib becomes gradually narrower as it extends toward a rearmost portion of the club head body.

US Pat. No. 9,623,300

IRON-TYPE GOLF CLUBS AND GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A iron-type golf club head comprising:
a top surface, a sole, a heel, and a toe;
a ball striking surface having a ball striking area, wherein the ball striking area defines a heel-side boundary line, a toe-side
boundary line, and a ball striking centerline located equidistant from the heel-side boundary line and the toe-side boundary
line; and

a rear surface opposite the ball striking surface, the rear surface having a muscle portion extending from the heel to the
toe;

an interface surface adjacent an upper edge of the muscle portion;
wherein the interface surface having a first interface surface extending from the heel of the iron-type golf club head to
a convergence point and a second interface surface extending from the convergence point to the toe of the iron-type golf club
head, wherein the first interface surface and the second interface surface form an interface angle at the convergence point,
wherein the interface angle is an obtuse angle, and

further wherein the sole has a width between 10 mm and 19 mm measured between the heel-side boundary line and the toe-side
boundary line.

US Pat. No. 9,555,294

GOLF CLUB HEADS WITH TURBULATORS AND METHODS TO MANUFACTURE GOLF CLUB HEADS WITH TURBULATORS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a face portion defining a loft plane, a rear portion opposite to the face portion, a heel portion, a toe portion opposite
to the heel portion, a crown portion having a crown surface extending between the face portion, the rear portion, the heel
portion and the toe portion, a sole portion opposite to the crown portion and having a sole surface extending between the
face portion, the rear portion, the heel portion and the toe portion, and a leading edge portion between the face portion
and the crown portion, the leading edge portion defining a leading edge plane forming a leading edge angle with the loft plane;
and

a plurality of crown turbulators projecting from the crown surface, each crown turbulator having a front portion defining
a portion of the crown turbulator being closest to the face portion, the front portion of at least one of the plurality of
crown turbulators being at least partly located on the leading edge portion and between the leading edge plane and the rear
portion, but not extending beyond the leading edge plane;

wherein:
each adjacent pair of crown turbulators is separate and spaced apart to define a space between the adjacent pair of crown
turbulators, and each crown turbulator extends between the heel portion and the toe portion to define a width and extends
between the face portion and the rear portion to define a length;

the length is substantially greater than the width;
the space between each adjacent pair of crown turbulators is substantially greater than the width of each of the adjacent
pair of crown turbulators that define the space; and

a height of at least one of the plurality of crown turbulators is greater than 0.02 inch but less than 0.5 inch.

US Pat. No. 9,089,746

METHOD OF MANUFACTURING A FACE PLATE FOR A GOLF CLUB HEAD

Karsten Manufacturing Cor...

1. A method for providing a golf club head, the method comprising:
providing a face plate material for a face plate having a strike side and a back side; and
milling the face plate material in a single elliptical orbit to define a contoured surface at the back side such that no further
passes are required to define the contoured surface, the contoured surface including a central region having a first elliptical
outer edge surrounded by a transition region extended from the central region to a peripheral region, the transition region
having a second elliptical outer edge and a thickness decreasing in a non-linear transition from the first elliptical outer
edge to the second elliptical outer edge, the thickness measured from the strike side to the back side;

wherein the first elliptical outer edge has a first aspect ratio, a first major axis, and a first minor axis;
wherein the second elliptical outer edge has a second aspect ratio, a second major axis, and a second minor axis; and
wherein the second major axis is equal to the first major axis plus a predefined distance, the second minor axis is equal
to the first minor axis plus the predefined distance, and the second aspect ratio is less than the first aspect ratio.

US Pat. No. 9,079,079

CLUB HEAD WITH DEFLECTION MECHANISM AND RELATED METHODS

Karsten Manufacturing Cor...

14. A golf club comprising:
a club head comprising:
a top end and a bottom end opposite the top end;
a front portion comprising a front surface comprising an upper perimeter portion;
a body portion comprising a crown surface including a fore perimeter portion and a sole surface; and
a deflection mechanism located at an interface of the front portion and the body portion; and
a club shaft coupled to the club head;
wherein:
the deflection mechanism is configured such that striking a golf ball at the front surface of the club head causes the front
surface to deflect toward the body portion of the top end and about the bottom end of the club head;

the deflection mechanism comprises a groove located between the front surface and the crown surface;
the deflection mechanism comprises at least one deflection feature that is located in the groove, the at least one deflection
feature comprising a step portion and a riser portion;

the step portion comprises a step portion first side and a step portion second side opposite the step portion first side,
the step portion first side being adjacent to the upper perimeter portion;

the riser portion comprises a riser portion first side and a riser portion second side opposite the riser portion first side,
the riser portion second side being adjacent to the fore perimeter portion, and the step portion second side being adjacent
to the riser portion first side.

US Pat. No. 10,588,363

GLOVES WITH A CUT OUT PORTION AND METHODS TO MANUFACTURE GLOVES WITH A CUT OUT PORTION

Karsten Manufacturing Cor...

1. A glove comprising:a glove body comprising:
a dorsal side and a palmar side having a first end and a second end;
a plurality of finger portions and a thumb portion extending from the first end; and
a wrist portion defined at the second end, wherein the wrist portion defines a glove opening in communication with an interior portion defined within the glove body;
a palm portion, wherein the palm portion is adjacent to the wrist portion;
a reinforcing panel secured on both an outer surface of the palm portion and a dorsal portion adjacent the wrist portion of the glove body; and wherein the reinforcing panel is adjacent to the second end of the glove body and spans across both the dorsal side and palmar side of the glove body; and
a cut out portion defining an opening formed through the glove body between the thumb portion and the wrist portion and in communication with the interior portion of the glove body to minimize bunching up of the glove body
wherein the reinforcing panel defines the cut out portion, such that the cut out portion is formed by the reinforcing panel; and
wherein the opening of the cut out portion is configured to receive one or more fingers when pulling on or off the glove.

US Pat. No. 10,195,510

SLIDING T-SQUARE PRACTICE AID

Karsten Manufacturing Cor...

1. A golf alignment aid comprising:a first bracket including
a first portion,
a second portion adjacent to the first portion, and
a third portion adjacent to the second portion, the second portion including
a first channel and a second channel oriented parallel with the first channel, and
a third channel configured to receive a first alignment stick; and
a second bracket including
a first rail slidably received within the first channel,
a second rail oriented parallel with the first rail and slidably received within the second channel, and
a cradle positioned between the first rail and the second rail,
the cradle configured to receive a second alignment stick oriented perpendicular to the first alignment stick.

US Pat. No. 9,770,633

GOLF CLUB HEADS WITH FACE DEFLECTION STRUCTURES AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a crown;
a sole;
a head front end;
a head rear end;
a shaft axis defining a shaft axis plane; and
at least one of a hosel, a toe skirt, or a heel skirt;a head wave section proximate the head front end and comprising part of at least one of:
the crown, the sole, the toe skirt, or the heel skirt;anda deflector at the head wave section;
wherein, with the golf club head at address over a ground plane:
the shaft axis plane is orthogonal to the ground plane,
the head front end comprises a strikeplate and a leading edge; and
the entire deflector at the head wave section is located forward of the shaft axis plane in order to directly expose the deflector
to impact stresses upon impact with a golf ball;
the deflector comprises:
a deflector perimeter comprising:
a deflector front edge adjacent to the head front end;
a deflector heel edge;
a deflector toe edge; and
a deflector rear edge opposite the deflector front edge; and
a wave surface extended from the deflector front edge to the deflector rear edge, the wave surface having a substantially
sinusoidal wave shape, and comprising a plurality of internal wave crests, and a plurality of external wave troughs defining
external wave crests on an exterior of the golf club head with each of the external wave troughs including opposing outer
wave sides within and surrounded by the deflector perimeter, a wavelength measured in a front-rear direction with respect
to the head front end and the bead rear end, wherein the wavelength of the wave surface is approximately 2.5 mm to approximately
5.1 mm, the plurality of external wave troughs ending short of the deflector toe edge and deflector heel edge of the deflector
perimeter and four wave crests are on the exterior of the golf club head;

a leading edge vertical plane intersects the leading edge and is parallel to the shaft axis plane;
a leading edge horizontal plane intersects the leading edge of the head front end and is orthogonal to the shaft axis plane,
wherein one or more of the plurality of internal wave crests is located below the leading edge horizontal plane;

a deflector front plane intersects the deflector front edge and is parallel to the shaft axis plane;
the strikeplate comprises a strikeplate thickness; and
a deflector front offset, measured from the leading edge vertical plane to the deflector front plane and orthogonal to the
shaft axis plane, is less than three times the strikeplate thickness.

US Pat. No. 9,555,297

CLUB HEADS WITH VARYING GROOVE PARAMETERS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A set of golf club heads, the set comprising:
a first golf club head comprising:
a first club head body comprising a first club face portion; and
a second golf club head comprising:
a second club head body comprising a second club face portion;
wherein:
the first club face portion comprises a first club face surface and at least one first club groove;
the first golf club head comprises a first club loft angle greater than or equal to approximately 55 degrees;
each first club groove, respectively, of the at least one first club groove comprises a first club groove base, a first club
groove sidewall adjacent to the first club groove base, a first club groove edge point, a first club groove edge radius at
the first club groove edge point, and a first club groove central axis approximately perpendicular to the first club groove
base;

the first club groove base comprises a first groove base width;
the first club groove sidewall forms a first club groove sidewall angle;
the second club face portion comprises a second club face surface and at least one second club groove;
the second golf club head comprises a second club loft angle less than approximately 55 degrees;
each second club groove, respectively, of the at least one second club groove comprises a second club groove base, a second
club groove sidewall adjacent to the second club groove base, a second club groove edge point, a second club groove edge radius
at the second club groove edge point, and a second club groove central axis approximately perpendicular to the second club
groove base;

the second club groove base comprises a second groove base width;
the second club groove sidewall forms a second club groove sidewall angle;
the first club groove edge radius is less than the second club groove edge radius; and
at least one of:
the first club groove base width is less than the second club groove base width; or
the first club groove sidewall angle is greater than the second club groove sidewall angle.

US Pat. No. 10,245,474

GOLF CLUB HEAD OR OTHER BALL STRIKING DEVICE HAVING IMPACT-INFLUENCING BODY FEATURES

Karsten Manufacturing Cor...

1. A golf club head comprising:a face having a striking surface configured for striking a ball,
an upper edge, a lower edge, a heel edge, and a toe edge;
a body connected to the face and extending rearwardly from the face,
the body having a crown, a sole, a heel side, a toe side, and a flange that forms a portion of the striking surface;
wherein the flange of the body and the face are welded at a joint to form an interior cavity and the upper edge, the lower edge, the heel edge, and the toe edge of the face are defined by the joint;
wherein the face has a first region having a first thickness, a second region having a second thickness, a third region having a third thickness, a fourth region having a fourth thickness, a fifth region having a fifth thickness; and
wherein the first region is positioned in a center region of the face,
wherein the center region has rectangular shape with rounded corners,
wherein the center region has a width in a range of 34 mm to 42 mm and a height within a range of 15 mm to 19 mm,
wherein the first thickness is a uniform thickness,
the second region is positioned on the toe side,
the third region is positioned on the heel side,
the fourth region is positioned between the first region and the upper edge of the face, and
the fifth region is positioned between the first region and the lower edge of the face;
wherein a toe side transitional region is positioned between toe side boundaries of the first region, the fourth region, the fifth region and a heel side boundary of the second region, wherein a heel side transitional region is positioned between heel side boundaries of the first region, the fourth region, the fifth region and a toe side boundary of the third region,
wherein the toe side transitional region and the heel side transition region have a variable thickness from boundaries with the first region, the fourth region, and the fifth region to blend into the thickness of the second and third regions, respectively,
wherein the fourth thickness has a variable thickness with a linear slope that decreases in thickness from the first thickness to the upper edge of the face at the joint and the fifth thickness has a variable thickness that that decreases with a linear slope from the first thickness to the lower edge of the face at the joint;
wherein the flange has a sixth thickness defined by a thickness at the heel edge of the joint,
wherein the sixth thickness is greater than the second thickness and the third thickness; and
wherein the flange does not extend inward beyond the joint.

US Pat. No. 10,183,201

METHOD OF MANUFACTURING A FACE PLATE FOR A GOLF CLUB HEAD

Karsten Manufacturing Cor...

1. A golf club head comprising:a face plate having a contoured rear surface, the contoured rear surface including a central thickened region having a first non-circular, elliptical outer edge surrounded by a transition region tapered from the central thickened region toward a thinner peripheral region, the transition region having a second non-circular, elliptical outer edge,
wherein the transition region comprises a frustum-like region formed by a straight edge of a lateral cutting surface associated with a cutting device where the lateral cutting surface is angled upward from about 5 to 20 degrees;
wherein the first non-circular, elliptical outer edge has a first aspect ratio, a first major axis and a first minor axis,
wherein the second non-circular, elliptical outer edge has a second aspect ratio, a second major axis and a second minor axis, the second major axis being equal to the first major axis plus a predetermined distance and the second minor axis being equal to the first minor axis plus the predetermined distance,
wherein the first aspect ratio is greater than the second aspect ratio, and
wherein the central thickened region comprises a maximum thickness of the face plate and wherein the central thickened region comprises a constant thickness throughout its entirety and extends through a centerpoint of the first elliptical outer edge and the second elliptical outer edge.

US Pat. No. 9,975,022

GOLF CLUB WITH WEIGHT RECEIVING POLYMERIC INSERT

Karsten Manufacturing Cor...

1. A golf club head comprising:a first portion rigidly adhered to a second portion to at least partially define an interior club head volume;
wherein the first portion is formed from a metallic material and includes a face; and
wherein the second portion is formed from a polymeric material and includes:
a wall defining a bore that is configured to receive and to selectively retain an elongate weight: and
a stiffening feature integrally molded with the wall such that the stiffening feature extends outward from the bore.

US Pat. No. 9,868,035

GOLF CLUBS WITH HOSEL INSERTS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a club head body comprising:
a sole portion comprising a sole bottom end, a top portion opposite the sole portion, a heel portion, a toe portion opposite
the heel portion, a rear portion, a front portion opposite the rear portion, the front portion comprising a strike face; and

a hosel;
a shaft sleeve insertable into the hosel and configured to couple a golf club shaft with the hosel; and
a securing fastener configured to couple to a sleeve bottom end of the shaft sleeve to secure the shaft sleeve in the hosel;
wherein:
the hosel comprises a hosel bore configured to receive the shaft sleeve;
the shaft sleeve comprises:
a shaft bore configured to receive an end of the golf club shaft;
a shaft sleeve body comprising a sleeve body outer wall, and at least one coupler at the sleeve body outer wall; and
a shaft sleeve cap configured to be coupled with the shaft sleeve body;
the club head body further comprises an assembled club head center of gravity when the club head body is assembled with the
shaft sleeve and the securing fastener;

the assembled club head center of gravity is located at an assembled club head CG vertical distance relative to the sole bottom
end; and

when the golf club head is at an address position, with the shaft sleeve secured in the hosel:
the shaft sleeve center of gravity is located at a shaft sleeve CG vertical distance less than or equal to approximately 46.5
millimeters relative to the sole bottom end, and the sleeve CG vertical distance is at least approximately 7.6 mm greater
than the assembled club head CG vertical distance.

US Pat. No. 9,849,347

GOLF CLUB HEAD WITH POLYMERIC HOSEL

Karsten Manufacturing Cor...

1. A method of manufacturing a polymeric hosel for a golf club head of a golf club having a shaft or a shaft adapter, or both,
the method comprising:
molding a tubular hosel body from a polymeric material comprising a resin and a plurality of discontinuous fibers embedded
within the resin;

wherein the molded tubular hosel body has a longitudinal axis and defines a bore with a central longitudinal axis and an opening
configured to receive the shaft or the shaft adapter;

wherein the tubular hosel body includes injecting the polymeric material into a mold such that the polymeric material flows
from a first end of the tubular hosel body to a second end of the tubular hosel body; and

gating the mold at the first end of the tubular hosel body such that a mold flow of the polymeric material is parallel with
the central longitudinal axis such that at least 50% of the plurality of discontinuous fibers being parallel to or oriented
within about 30 degrees of parallel to the longitudinal axis of the tubular hosel body; and

wherein the tubular hosel body is in communication with a body of the golf club head.

US Pat. No. 9,827,472

GOLF PUTTER WITH ADJUSTABLE COUNTERBALANCE WEIGHT

Karsten Manufacturing Cor...

1. A golf club comprising:
a tubular shaft extending between a first end and a second end, the tubular shaft having an inner surface that defines a hollow
recess;

a golf club head affixed to the first end of the tubular shaft;
a grip disposed about the tubular shaft and abutting the second end of the tubular shaft, wherein the grip defines a grip
portion of the golf club;

an adjustable counterbalance that is insertable within the hollow recess of the grip portion, the adjustable counterbalance
including:

an elongate member adapted to be secured to the tubular shaft; and
a movable weight that is selectively transitionable between a first, unlocked state and a second locked state, the movable
weight including a grommet formed from an annealed thermoplastic polyurethane material, and wherein:

the movable weight is translatable along the elongate member when in the unlocked state, and is restrained from translation
relative to the elongate member when in the locked state;

the grommet receives a compressive force when in the locked state that urges the grommet into forcible contact with the elongate
member; and

the forcible contact between the grommet and the elongate member when in the locked state restrains the movable weight from
translation.

US Pat. No. 9,744,414

GOLF CLUB WITH PROGRESSIVE TAPERED FACE THICKNESS

Karsten Manufacturing Cor...

1. A set of golf clubs comprising a plurality of golf clubs, each club having a selected loft angle different from that of
each other club in the set;
a face for striking a ball, comprising a front surface, a rear surface, a top portion and a bottom portion; and
a taper angle defining the orientation of the rear surface of the face relative to the front surface of the face; wherein
the taper angle t in degrees for any loft angle L in degrees is determined by the relationship t =0.00002L3 - 0.008L2 +0.773L?15.

US Pat. No. 9,737,771

GOLF CLUB HEADS HAVING A HYDROPHOBIC SURFACE AND METHODS TO MANUFACTURE GOLF CLUB HEADS HAVING A HYDROPHOBIC SURFACE

Karsten Manufacturing Cor...

1. A golf club head comprising
a ball-striking face; and
at least two channels formed in the ball-striking face, wherein the channels are separated by a land portion of the ball-striking
face extending therebetween, wherein the land portion is associated with at least a first step portion extending at a first
elevation and a second step portion extending at a second elevation, the second elevation being higher than the first elevation
relative to a bottom of the channels,

wherein the first step portion is defined by a first lateral portion extending substantially parallel to one or more bottoms
of the channels and a first upturned or vertical portion extending upwardly and substantially perpendicular to one or more
bottoms of the channels

and,
the second step portion is defined by a second lateral portion and a pair of second perpendicular upturned portions;
and wherein each of the first and second step portions is so dimensioned as to be associated with a substantially hydrophobic
contact angle;

wherein the substantially hydrophobic contact angle is about 130 degrees or greater.

US Pat. No. 9,662,546

GOLF CLUB HEADS WITH FREQUENCY MODULATION DEVICES AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a strikeplate comprising:
a strikeplate stiffness;
a strikeface;
a backface opposite the strikeface;
a modulation mechanism at the backface, the modulation mechanism comprising:
a plurality of frequency modulators comprising a first weight and a second weight; and
a plurality of anti-stiffening features interspersed between the plurality of frequency modulators, the plurality of anti-stiffening
features comprising a first anti-stiffening feature separating the first and second weights from each other;

the plurality of frequency modulators reduce an oscillation frequency of the strikeplate upon impact with a golf ball; and
the plurality of anti-stiffening features permit flexing of the strikeplate between the plurality of frequency modulators;
a thickness pattern noninclusive of the modulation mechanism;
a first thickness through the first weight, measured perpendicular to the strikeface;
a second thickness through the second weight, measured perpendicular to the strikeface; and
a third thickness through the first anti-stiffening feature, measured perpendicular to the strikeface; wherein
the first thickness is greater than the third thickness;
the second thickness is greater than the third thickness;
a transition between the first weight and the first anti-stiffening feature is arcuate towards the backface; and
a transition between the second weight and the first anti-stiffening feature is arcuate towards the backface.

US Pat. No. 9,630,074

IRON-TYPE GOLF CLUBS AND GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. An iron-type golf club head, comprising:
a ball striking face member comprising a first material having a first hardness, wherein the ball striking face member includes
a rear surface;

a rear weight member comprising a second material having a second hardness, wherein the rear weight member includes a front
surface, wherein the front surface of the rear weight member and the rear surface of the ball striking face member generally
face one another and define a space therebetween;

at least one resilient member comprising a third material having a third hardness, wherein the at least one resilient member
is located within the space, and wherein the third hardness is less than the first hardness and the second hardness; and

at least one engagement member disposed within the space and contacting at least one of the front surface and the rear surface,
wherein:

the at least one engagement member defines at least three separated support structures that extend in a direction between
the rear surface and the front surface within the space and limit compressibility of the space between the ball striking face
member and the rear weight member, the at least three separated support structures dividing the space into: (a) an area of
low compressibility at a vicinity of the at least three separated support structures and (b) an area of high compressibility
located away from the at least three separated support structures, wherein the area of high compressibility has a greater
compressibility than the area of low compressibility, and wherein the at least three separated support structures are arranged
with respect to a center of gravity of the golf club head such that the center of gravity is located within a perimeter defined
by the at least three separated support structures; and

the at least one resilient member is disposed in the space between the front surface of the rear weight member and the rear
surface of the ball striking face member at least in the area of high compressibility of the space, and wherein the at least
one resilient member is compressible to allow compressibility of the space between the rear surface and the front surface
in the area of high compressibility when the area of high compressibility is exposed to force from a golf ball contacting
the ball striking face member.

US Pat. No. 9,538,820

STRAP ASSEMBLY FOR BAGS AND METHODS TO MANUFACTURE BAGS HAVING A STRAP ASSEMBLY

Karsten Manufacturing Cor...

1. A strap assembly for a golf bag, the strap assembly comprising:
a strap defining a first fastener element extending along an entire length of the strap with the strap further defining a
first end and a second end, both ends flexibly coupled to the golf bag;

a rigid reinforcement element extending at least partially through the strap; and
a support member with a first end of the support member defining a second fastener element engageable with the first fastener
element, wherein a second end of the support member is coupled to the bag and the first end of the support member is detachably
coupled to a first location along the strap by engaging the first fastener element and second fastener element, wherein the
support member is discrete from the strap and configured to prop the strap upwardly and away from the golf bag when the golf
bag is placed on the ground,

wherein the support member is configured to maintain the strap at an angle relative to the golf bag, the angle being adjustable
by detaching the support member from the first location along the strap and re-attaching the support member to a second location
anywhere along the entire length of the first fastener element of the strap with the angle ranging between about 75 degrees
and about 130 degrees.

US Pat. No. 10,478,693

HEADCOVERS HAVING A PULL STRAP AND METHODS FOR MANUFACTURING THE SAME

Karsten Manufacturing Cor...

1. A headcover comprising:a headcover body comprising:
a belly panel, a first side panel, a second side panel, and a top panel that collectively define an interior portion configured to receive a club head of a golf club;
a detachable pull strap defining a pull strap body forming a plurality of leg portions; and
a plurality of fasteners, each of the plurality of fasteners including an attaching unit configured to be engaged to a closure unit when securing the detachable pull strap to the headcover body, wherein the attaching unit is located on the pull strap and the closure unit is located on the headcover body.

US Pat. No. 10,434,378

GOLF CLUB WITH POLYMERIC INSERT AND REMOVEABLE WEIGHT

Karsten Manufacturing Cor...

1. A golf club comprising:a golf club head including a metal portion adhered to a polymeric portion to define a closed internal volume therebetween, the golf club head having a face, a crown, and a sole;
wherein the polymeric portion defines a bore extending between a first closed end and a second open end, the bore having a longitudinal axis extending between the first end and the second end, and wherein the bore is aligned such that the longitudinal axis of the bore intersects the face, and wherein the bore is configured to receive an elongate weight via the open end and is further configured to selectively retain the elongate weight within the bore;
wherein the polymeric portion includes a polymeric wall extending within the closed internal volume and transversely outward from a sidewall defining the bore; and
wherein the polymeric wall is adhered, via an adhesive, to the metal portion of the golf club head and is operative to both reinforce the sidewall and to transfer impact stresses from the sidewall to the metal portion of the golf club head.

US Pat. No. 10,376,752

HOSEL INSERT FOR A GOLF CLUB HEAD

Karsten Manufacturing Cor...

1. A set of golf club heads comprising:a first golf club head having:
a body having a strike face defining a first loft angle, a heel portion, and a toe portion;
a hosel having a body with a first end, extending from the heel portion of the body of the club head, and a second end, configured to receive a shaft;
a first cavity positioned adjacent to the body of the hosel, the first cavity having a first cavity length, a first cavity width, a first cavity back wall, a first cavity protrusion on the first cavity back wall, two or more protrusions on a first cavity perimeter wall, and a first cavity volume;
a second golf club head having:
a body having a strike face defining a second loft angle greater than the first loft angle, a heel portion, and a toe portion;
a hosel having a body with a first end, extending from the heel portion of the body of the club head, and a second end, configured to receive a shaft;
a second cavity positioned adjacent to the body of the hosel, the second cavity having a second cavity length, a second cavity width, a second cavity back wall, a second cavity protrusion on the second cavity back wall, two or more protrusions on a second cavity perimeter wall, and a second cavity volume,
wherein the second cavity length is greater than the first cavity length, the second cavity width is greater than the first cavity width, the second cavity volume is greater than the first cavity volume, or any combination thereof;
an insert capable of being secured within the first or the second cavity;
wherein the insert comprises a recess on a back side;
wherein the insert further comprises two or more grooves on a perimeter of the insert;
wherein either the first or second cavity back wall protrusion is configured to fit within the recess; and
wherein the two or more grooves on the perimeter of the insert are configured to receive the two or more protrusions on the first or second cavity perimeter,
such that when the insert is secured within the first or second cavity, the insert is press fit into the first or second cavity.

US Pat. No. 10,328,317

GOLF CLUBS WITH ADJUSTABLE LOFT AND LIE AND METHODS OF MANUFACTURING GOLF CLUBS WITH ADJUSTABLE LOFT AND LIE

Karsten Manufacturing Cor...

1. A golf club head comprising:a body portion having a face portion and a lower hosel portion, the lower hosel portion of the body portion having an end portion with a projection;
an upper hosel portion configured to couple to a shaft, the upper hosel portion comprising an insert receptacle having a projection; and
an adjustment portion configured to couple the upper hosel portion and the body portion, the adjustment portion being separate from the upper hosel portion and the body portion and rotatable relative to the upper hosel portion and the body portion at a plurality of positions, each of the plurality of positions corresponding to one of a different loft angle or a different lie angle of the face portion, wherein the adjustment portion comprises:
an insert having:
an outer side having a plurality of radially spaced arms that extend outwardly from the outer side of the insert and a plurality of gaps located between the plurality of arms, wherein the projection of the lower hosel portion is configured to be received by the outer side of the insert;
an inner side opposite the outer side, the inner side comprising an indentation configured to receive the projection of the insert receptacle on the upper hosel portion;wherein:a fastener is inserted through the end portion of the lower hosel portion, through a hole in the insert, and through a hole in the insert receptacle of the upper hosel portion to secure the upper hosel portion, the insert, and the lower hosel portion together.

US Pat. No. 10,124,222

GOLF CLUB BAG SUPPORT MECHANISMS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf bag support mechanism comprising:a bracket comprising:
a bracket wall comprising an outer bracket side and an inner bracket side opposite the outer bracket side; and
a first dock adjacent to the outer bracket side of the bracket wall;
and
a first hinge member configured for hinged coupling with the first dock;
wherein:
the first hinge member comprises:
a first top end;
a first bottom end opposite the first top end;
a first sidewall extended between the first top end and the first bottom end;
a first protrusion protruding from the first top end and comprising a stop portion; and
a first bore bounded by the first sidewall;
a first axis extends between the first top end and the first bottom end of the first hinge member;
the first bore is centered about the first axis;
the first dock comprises a first notch extending into the outer bracket side of the bracket wall;
the first dock comprises:
a first back wall comprising the first notch; and
first and second ears coupled substantially perpendicular to, and at opposite ends of, the first back wall;
the first ear comprises a first ear aperture;
the second ear comprises a second ear aperture;
a first clevis pin configured to hinge the first hinge member to the first dock;
the first clevis pin comprises:
a head end portion comprising a clevis head; and
an insertion end portion configured to protrude out of the second ear aperture when the clevis pin is in a hinge position;
the insertion end portion is devoid of a retention mechanism; and
a maximum thickness of the insertion end portion is complementary to aperture dimensions of each of the first and second ear apertures and a first and second hinge apertures;
wherein:
the first hinge member comprises:
a first sidewall end of the first sidewall, the first sidewall end comprising the first hinge aperture; and
a second sidewall end of the first sidewall and opposite the first sidewall end,
the second sidewall end comprising the second hinge aperture;
and
the first clevis pin is insertable along a hinge axis of the first hinge member into the hinge position to hinge the first hinge member with the first dock,
the hinge position comprising the first clevis pin in the first ear aperture, the first hinge aperture, the first bore, the second hinge aperture, and the second ear aperture,
wherein an inner end of the first bore of the first hinge member comprises a first and second fingers protruding therefrom;
the first clevis pin comprises a first groove between the head end portion and the insertion end portion and at least partially circumscribing the first clevis pin;
a distance between the first and second fingers is:
complementary with a thickness of the first clevis pin at the first groove; and
less than a thickness of the first clevis pin adjacent to either side of the first groove;
and
the first and second fingers are configured to straddle the first groove when the first clevis pin is in the hinge position to restrict the clevis pin from sliding out of the hinge position; and
the first and second fingers comprise a flexible material; and
the golf bag support mechanism is configurable between a retracted configuration and an extended configuration; and
when the golf bag support mechanism is in the extended configuration:
an extended angle exists between the first axis and the bracket wall; and
the stop portion of the first protrusion is received at least partially within the first notch.

US Pat. No. 9,981,501

COLLAPSIBLE WHEELS AND METHODS OF MAKING COLLAPSIBLE WHEELS

Karsten Manufacturing Cor...

1. A wheel comprising:a plurality of wheel sections, each wheel section comprising:
a rim portion;
a hub portion defining a rotational axis;
a pair of spokes extending from the hub to the rim portion and being attached to the rim portion;
wherein the plurality of wheel sections are rotatable relative to each other about the rotational axis from a collapsed position wherein the rim portions of the plurality of wheel sections define a segment of a circle to an expanded position wherein the rim portions of the plurality of wheels sections define the circle.

US Pat. No. 9,975,013

CLUB HEAD SETS WITH VARYING CHARACTERISTICS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A club head set comprising:two or more club heads, each comprising:
a loft angle;
a front face;
a back face opposite the front face;
a heelside support bar of one or more heelside support bars protruded from the back face; and
a toeside support bar of one or more toeside support bars protruded from the back face;
wherein:
the heelside support bar of one or more heelside support bars and toeside support bar of one or more toeside support bars are spaced apart and equidistant from a back face center region;
for each of the two or more club heads:
the heelside support bar comprises a heelside support bar area over the back face; and
the toeside support bar comprises a toeside support bar area over the back face;
and
as the loft angle increases across the two or more club heads:
the heelside support bar area increases; and
the toeside support bar area increases;
wherein:
for each of the two or more club heads:
the back face is bounded by a perimeter weight;
the back face comprises a weight insert cavity configured to receive a weight insert; and
the heelside support bar and the toeside support bar extend from the perimeter weight to a top end of the weight insert cavity.

US Pat. No. 9,849,352

GOLF CLUB HEAD STRUCTURES HAVING SPLIT, MULTI-PART HEADS

Karsten Manufacturing Cor...

1. A golf club head, comprising:
a first part that forms a front part of the golf club head including a first side wall extending around the golf club head,
wherein the first side wall ends at a first edge that defines an open side of the first part, and wherein a first interior
surface of the first side wall has a draft angle of 0° or more, with respect to a first pulling direction as the first interior
surface extends in a direction toward the first edge;

a second part that forms a rear part of the golf club head including a second side wall extending around the golf club head,
wherein the second side wall ends at a second edge that defines an open side of the second part, and wherein a second interior
surface of the second side wall has a draft angle of 0° or more, with respect to a second pulling direction, as the second
interior surface extends toward the second edge,

a third part that forms a central body member of the golf club head including a third side wall extending around the golf
club head, wherein the third side wall ends at a third edge that defines a first open side of the third part positioned toward
the front part of the golf club head, and wherein a third interior surface of the third side wall has a draft angle of 0°
or more, with respect to a third pulling direction, as the third interior surface extends toward the third edge; and wherein
the third part includes a fourth edge defining a second open side of the third part positioned toward the rear part of the
golf club head;

wherein the first part and the third part are engaged with one another over at least a portion of the first edge and at least
a portion of the third edge, and

wherein the second part and the third part are engaged with one another over at least a portion of the second edge and at
least a portion of the fourth edge, and wherein the second part and the third part form a second parting line having a contoured
sinusoidal curvature with a forward protruding section near a heel-to-toe center of a crown of the golf club head with a concave
shape relative to the front part of the golf club head.

US Pat. No. 9,839,818

GOLF CLUB HEAD WITH CHAMFER AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a hollow body comprising
a front portion having a strikeface;
a heel portion;
a toe portion opposite the heel portion;
a sole portion;
a rear portion;
a crown portion;
a chamfer extending between the front portion and the crown portion, the chamfer having an inner surface and an outer surface,
wherein the chamfer defines a hinge point of the crown portion; and

an internal radius transition from the strikeface to the sole portion comprising:
a first tier directly adjacent to the strikeface;
a second tier directly adjacent to the first tier;
a third tier directly adjacent to the second tier;
a first tier transition region between the first tier and the second tier; and
a second tier transition region between the second tier and the third tier;
wherein:
the first tier comprises a first substantially constant thickness;
the second tier comprises a second substantially constant thickness smaller than the first substantially constant thickness;
the third tier comprises a third substantially constant thickness smaller than the first substantially constant thickness
and the second substantially constant thickness; and

the internal radius transition is not visible from an exterior of the golf club head.

US Pat. No. 9,623,296

CLUB HEAD SETS WITH VARYING CHARACTERISTICS AND RELATED METHODS

Karsten Manufacturing Cor...

16. A club head set comprising:
a first club head comprising:
a first loft angle;
a first front face;
a first back portion comprising:
a first toe region comprising a first lower toe section;
and
a first weight at the first lower toe section of the first toe region and comprising:
a first weight depth extending generally in a first back-to-front face direction; and
a first weight cross-sectional area orthogonal to the first weight depth;
and
a second club head comprising:
a second loft angle;
a second front face; and
a second back portion comprising:
a second toe region comprising a second lower toe section; and
a second weight at the second lower toe section of the second toe region and comprising:
a second weight depth extending generally in a second back-to-front face direction; and
a second weight cross-sectional area orthogonal to the second weight depth;
wherein:
the first loft angle is greater than the second loft angle;
the first club head comprises a short iron club head;
the second club head comprises a long iron club head;
the second weight cross-sectional area is greater than the first weight cross-sectional area; and
a second shortest distance between the second front face and a center of gravity of the second weight is greater than a first
shortest distance between the first front face and a center of gravity of the first weight.

US Pat. No. 9,474,945

GOLF CLUB HEADS WITH FACE DEFLECTION JUNCTIONS AND RELATED METHODS

Karsten Manufacturing Cor...

4. A golf club head comprising:
a crown, a sole, a toe skirt, a heel skirt; and
a front end comprising:
a strikeplate comprising:
a strikeface;
a backface; and
a strikeplate perimeter;
a fixed joint between the strikeplate and a joint segment comprising at least one of a front of one of:
the crown, the sole, the toe skirt, or the heel skirt;
and
a deflection junction configured to permit deflection between the strikeplate and a junction segment comprising at least one
of the front of a different one of:

the crown, the sole, the toe skirt, or the heel skirt;
wherein:
the deflection junction comprises:
a junction structure extending from the junction segment; and
a junction slot defined between the strikeplate perimeter and the junction structure; and
the strikeplate perimeter is disconnected from the junction segment.

US Pat. No. 10,556,161

ADJUSTABLE WEIGHT CLUB HEAD

Karsten Manufacturing Cor...

1. A golf club head comprising:a club head body having a toe end, a heel end located opposite the toe end, a crown, a sole located opposite the crown, a strike face, and a perimeter positioned at a junction between the crown and the sole extending from near the heel end to near the toe end; and
an adjustable weighting system positioned on the sole, the perimeter, or a combination thereof, the adjustable weighting system including:
a plurality of discrete attachment locations; and
a cable,
a tensioner operable to increase or decrease tension in the cable, and
one or more weights coupled to the cable and securable to or within one of the plurality of discrete attachment locations, wherein each weight is configured to be moveable between the plurality of discrete attachment locations to change a center of gravity of the club head, and each of the one or more weights comprise a weight center of gravity;
wherein:
the one or more weights are positioned such that the weight center of gravity of each weight is positioned within 0.50 inch of the perimeter of the club head, when the weight is coupled to at least one of the discrete attachment locations;
the one or more weights are positioned such that the weight center of gravity of each weight protrudes from an external contour of the sole, or is inset from the external contour of the sole by a distance less than 0.125 inch; and
a combined moment of inertia of the club head about the club head center of gravity, defined as the sum of a crown-to-sole moment of inertia and a heel-to-toe moment of inertia, is greater than 8,000 g·cm2.

US Pat. No. 10,434,382

GOLF CLUB HEADS AND METHODS OF MANUFACTURING GOLF CLUB HEADS

Karsten Manufacturing Cor...

7. The golf club head of claim 1, wherein:a thickness of the coating is less than 0.001 inch.

US Pat. No. 10,427,010

HIGH DENSITY OUTER LAYER OF A GOLF CLUB HEAD

Karsten Manufacturing Cor...

1. A golf club head comprising:a body comprising a body material having a body material density, the body including:
a crown,
a sole opposite the crown,
a heel,
a toe opposite the heel, and
a back end;
a strike face made of a strike face material having a strike face material density;
an outer surface;
an inner surface;
a weight pad or a weight member; and
a coating positioned directly on and in contact with the outer surface of a portion of the sole near the back end of the club head,
the coating consisting of a coating material having a coating material density, wherein:
the coating material density is greater than the body material density;
the coating material density is between 150 and 400 g/in3;
the coating comprises a thickness greater than 0.00001 inch and less than 0.001 inch; and
the body material comprises titanium;
wherein the coating covers over the weight pad or the weight member of the golf club head;
wherein a shape of the coating consists of a shape of the weight pad or weight member.

US Pat. No. 10,420,992

GOLF CLUB HEAD OR OTHER BALL STRIKING DEVICE HAVING ONE OR MORE FACE CHANNELS

Karsten Manufacturing Cor...

1. A wood-type golf club head comprising:a wood-type face having a ball-striking surface for striking a ball, the face being defined by a peripheral edge;
a wood-type golf club head body connected to the face and extending rearward from the peripheral edge of the face, the golf club head body having a top surface, a sole surface, a heel, and a toe;
a first channel formed in the face and having a first end located on the face inwardly from the peripheral edge of the face, the first channel extending from the first end to the peripheral edge of the face and rearwardly on the golf club head body from the peripheral edge and having a second end located on the golf club head body rearward of the peripheral edge; and
a second channel formed in the face and having a first end located on the face inwardly from the peripheral edge of the face, the second channel extending from the first end to the peripheral edge of the face and rearwardly on the golf club head body from the peripheral edge and having a second end located on the golf club head body rearward of the peripheral edge;
wherein the first channel and the second channel extend partially through a thickness of the face and the golf club head body;
wherein the first channel is separate from the second channel; and
wherein the first channel is located on a low-heel area of the face, such that the first end of the first channel is located on the low-heel area of the face and spaced from a bottom peripheral edge of the face, the first channel extending downwardly to the bottom peripheral edge of the face and rearwardly along the sole surface of the golf club head body, the first channel having the second end located on the sole surface rearward of the bottom peripheral edge, and the second channel is located on a high-toe area of the face, such that the first end of the second channel is located on the high-toe area of the face and spaced from a top peripheral edge of the face, the second channel extending upwardly to the top peripheral edge of the face and rearwardly along the top surface of the golf club head body, the second channel having the second end located on the top surface rearward of the top peripheral edge.

US Pat. No. 10,252,121

GOLF CLUB HEADS WITH FACE DEFLECTION STRUCTURES AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:a crown;
a sole;
a head front end comprising a strikeplate and a leading edge;
a head rear end;
a shaft axis defining a shaft axis plane; and
a deflector comprising:
a deflector perimeter comprising:
a deflector front edge adjacent to the head front end, wherein the deflector front edge is located forward of the shaft axis plane in order to directly expose the deflector to impact stresses upon impact with a golf ball;
a deflector heel edge;
a deflector toe edge; and
a deflector rear edge opposite the deflector front edge; and
a wave surface extended from the deflector front edge to the deflector rear edge, the wave surface comprising a plurality of external wave troughs defining external wave crests on an exterior of the golf club head with each of the external wave troughs including opposing outer wave sides within and surrounded by the deflector perimeter, wherein the plurality of external wave troughs comprises a forwardmost external wave trough that extends to the deflector heel edge and the deflector toe edge.

US Pat. No. 10,099,091

GROOVES OF GOLF CLUB HEADS AND METHODS TO MANUFACTURE GROOVES OF GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A putter type golf club head comprising:a putter type club face defined by a toe end, a heel end, a top rail and a sole; and
a plurality of grooves disposed on the putter-type club face between the top rail and the sole, each of the plurality of grooves extending between the heel end and the toe end, and including a top of each of the plurality of grooves, and a bottom of each of the plurality of grooves;
wherein a width is measured from the top of each of the plurality of grooves to the bottom of each of the plurality of grooves;
wherein the width of each of the plurality of grooves varies in a direction extending between the toe end and the heel end;
wherein the putter type club face is generally planar and extends in a generally vertical orientation at an address position; and
wherein a top rail portion and a sole portion vertically separate the putter type club face and span horizontally from the toe end to the heel end.

US Pat. No. 10,035,052

GOLF CLUB HEADS WITH GROOVES AND METHODS OF MANUFACTURE

Karsten Manufacturing Cor...

1. A method of manufacturing a golf club head, the method comprising:providing a golf club head body;
providing a shaft;
providing a strike face;
forming one or more grooves at the strike face;
coupling the strike face to the golf club head body; and
coupling the shaft to the golf club head body;
wherein:
the one or more grooves have edges; and
one or more of the edges is unsmooth having peaks and valleys.

US Pat. No. 10,022,597

ADJUSTABLE LENGTH GOLF CLUBS AND METHODS OF MANUFACTURING ADJUSTABLE LENGTH GOLF CLUBS

Karsten Manufacturing Cor...

1. A golf club comprising:a first shaft;
a second shaft having a hollow portion configured to movably receive a portion of the first shaft;
a head attached to the first shaft, and a grip attached to the second shaft opposite the head;
a collar coupled to the second shaft and located over at least a part of the hollow portion of the second shaft, the collar having a first side and a second side, and an internal circumferential rib, the first side and second side defining a gap, the collar being shiftable from an expanded position to a contracted position, and a first end of the second shaft seated on the internal circumferential rib; and
a frictional sleeve coupled to an interior surface of the collar;
wherein when the collar is in the expanded position, the first shaft is axially slidable within the hollow portion of the second shaft, and when the collar is in the contracted position, the first shaft is frictionally locked relative to the second shaft at least in part by the frictional sleeve.

US Pat. No. 9,937,388

BALL STRIKING DEVICE HAVING A COVERING ELEMENT

Karsten Manufacturing Cor...

1. A golf club head comprising: a ball striking plate having a front surface configured to strike a ball, a rear surface opposite the front surface, and a frame extending rearwardly from a perimeter of the ball striking plate; and a covering element having an exterior surface and an interior surface located behind the rear surface of the ball striking plate, wherein the covering element is affixed to the rear surface of the ball striking plate with a first double-sided tape having a first thickness and with a second double-sided tape having a second thickness different than the first thickness, wherein the first double-sided tape covers a first region of the rear surface of the ball striking plate and the second double-sided tape covers a second region of the rear surface of the ball striking plate, wherein the first double-sided tape has a first density and the second double-sided tape has a second density different than the first density, wherein the first region generally corresponds to a thickened portion projecting from the rear surface of the ball striking plate, and wherein the covering element includes an exterior surface having a multi-level surface topography.

US Pat. No. 9,925,430

GOLF CLUB HEADS WITH RIBS AND RELATED METHODS

Karsten Manufacturing Cor...

15. A golf club head comprising:a front end;
a back end opposite the front end;
a heel portion;
a toe portion opposite the heel portion;
a sole;
a crown opposite the sole;
a faceplate; and
a ribbed region positioned on a portion of the crown; wherein
the ribbed region comprises:
a ribbed wall comprising:
a ribbed wall interior surface facing an interior of the golf club head;
a ribbed wall exterior surface facing an exterior of the golf club head opposite the ribbed wall interior surface; and
a thickness measured from the ribbed wall exterior surface toward the ribbed wall interior surface that is less than 0.5 mm;
one or more external ribs protruding from the ribbed wall exterior surface;
one or more internal ribs protruding from the ribbed wall interior surface; wherein
the one or more external ribs are curved and extend from near the back end toward near the front end;
the one or more external ribs do not intersect one another;
at least a portion of the one or more internal ribs are curved and extend from near the back end toward near the front end; and
the at least a portion of the one or more internal ribs do not intersect one another; and
one or more external thin portions positioned between the one or more external ribs;
one or more internal thin portions positioned between the one or more internal ribs;
wherein greater than 75% of the ribbed region comprises the external thin portions and the internal thin portions.

US Pat. No. 9,925,452

DUAL AXLE SKATEBOARD AND TRUCK WITH OUTBOARD SECONDARY WHEELS AND METHOD

Karsten Manufacturing Cor...

1. A truck for a skateboard, the truck comprising:a mounting surface for attaching the truck to a body of the skateboard;
a primary axle;
two primary wheels rotatably mounted on the primary axle;
at least one secondary axle that is parallel to the primary axle; and
two secondary wheels rotatably mounted on the at least one secondary axle;
wherein:
the two primary wheels each have a primary wheel diameter;
the two secondary wheels each have a secondary wheel diameter;
an axle spacing distance between the primary axle and the at least one secondary axle is less than the primary wheel diameter; and
the axle spacing distance between the primary axle and the at least one secondary axle is less than the secondary wheel diameter.

US Pat. No. 9,849,354

CLUB HEAD SETS WITH VARYING CHARACTERISTICS AND RELATED METHODS

Karsten Manufacturing Cor...

10. A golf club head set comprising:
a first golf club head comprising:
a first strike face;
a first back face opposite the first strike face;
a first top end;
a first bottom end opposite the first top end;
a first toe end;
a first toe region comprising the first toe end;
a first heel end opposite the first toe end;
a first heel region comprising the first heel end; and
a first imaginary vertical axis extended substantially perpendicularly to a first imaginary horizontal centerline of the first
back face, located approximately mid-way between the first toe end and the first heel end, extended through the first top
end and the first bottom end, and demarcating the first heel region from the first toe region, wherein the first imaginary
horizontal centerline is located approximately mid-way between the first top end and the first bottom end, extending through
the first toe end and the first heel end;

a first perimeter weight at the first back face extending away from the first strike face and along at least the first top
end and the first bottom end of the first club head; and

a first hourglass support at the first back face traversing the first imaginary vertical axis and extending between the first
perimeter weight at the first top end and the first perimeter weight at the first bottom end;

wherein:
the first hourglass support comprises:
first top and bottom hourglass portions;
a first middle hourglass portion narrower than the first top and bottom hourglass portions; and
first heel and toe hourglass sidewalls defining the first top, middle, and bottom hourglass portions of the first hourglass
support therebetween;

and
a first cavity located at the first back face only at the first toe region, the first cavity comprising:
a first cavity base; and
a first cavity wall at least partially enclosing the first cavity base and extending away from the first strike face;
a first bar at the first cavity base protruding away from the first strike face:
a first imaginary bar axis extending throughout a first length centerline of the first bar; and
a first bar upper angle between the first imaginary vertical axis and the first imaginary bar axis;
and
a second golf club head comprising:
a second strike face;
a second back face opposite the second strike face:
a second top end;
a second bottom end opposite the second top end:
a second toe end:
a second toe region comprising the second toe end;
a second heel end opposite the second toe end:
a second heel region comprising the second heel end; and
a second imaginary vertical axis extended substantially perpendicularly to a second imaginary horizontal centerline of the
second back face, located approximately mid-way between the second toe end and the second heel end, extended through the second
top end and the second bottom end, and demarcating the second heel region from the second toe region, wherein the second imaginary
horizontal centerline is located approximately mid-way between the second top end and the second bottom end, extending through
the second toe end and the second heel end:

a second perimeter weight at the second back face extending away from the second strike face and along at least the second
top end and the second bottom end of the second golf club head; and

a second hourglass support at the second back face traversing the second imaginary vertical axis and extending between the
second perimeter weight at the second top end and the second perimeter weight at the second bottom end:

wherein:
the second hourglass support comprises:
second top and bottom hourglass portions;
a second middle hourglass portion narrower than the second top and bottom hourglass portions; and
second heel and toe hourglass sidewalls defining the second top, middle, and bottom hourglass portions of the second hourglass
support therebetween:

and
a second cavity located at the second back face only at the second toe region, the second cavity comprising:
a second cavity base; and
a second cavity wall at least partially enclosing the second cavity base and extending away from the second strike face;
a second bar at the second cavity base protruding away from the second strike face:
a second imaginary bar axis extending throughout a second length centerline of the second bar; and
a second bar upper angle between the second imaginary vertical axis and the second imaginary bar axis;
wherein
the first golf club head comprises a first loft angle;
the second golf club head comprises a second loft angle;
the second loft angle is greater than the first loft angle:
and
the second bar upper angle is greater than the first bar upper angle.

US Pat. No. 9,795,845

GOLF CLUB AND GOLF CLUB HEAD STRUCTURES

Karsten Manufacturing Cor...

13. A golf club head comprising:
a body having a ball striking face, a rear opposite the ball striking face, a crown, a sole, a heel, and a toe, the body having
a void defined by a peripheral edge on the sole, and the body further defining a cover that extends over the void and forms
at least a portion of the crown; and

a weight receptacle connected to the sole and having an opening in the sole, such that the weight receptacle is configured
to receive insertion of a weight through the opening, wherein the weight receptacle comprises a receiving tube connected to
an underside of the crown and an upper side of the sole and extending from the crown to the sole, and wherein at least a portion
of an exterior surface of the receiving tube is exposed to the void,

wherein the sole has a recessed area that is recessed inwardly with respect to adjacent areas of the sole, and wherein the
recessed area surrounds the opening.

US Pat. No. 9,776,052

GOLF CLUB HEADS WITH APERTURES AND METHODS TO MANUFACTURE GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a face portion, a back portion generally opposite to the face portion, a heel portion extending between the face portion and
the back portion, and a toe portion opposite to the heel portion and extending between the face portion and the back portion;

a crown portion extending between the face portion, the back portion, the heel portion and the toe portion, the crown portion
comprising a plurality of crown apertures;

a sole portion opposite to the crown portion and extending between the face portion, the back portion, the heel portion and
the toe portion, the sole portion comprising a plurality of sole apertures;

a recess defined in the crown portion; wherein:
the plurality of crown apertures is defined within the recess; and
at least two of the plurality of crown apertures have different largest dimensions; and
a protective cover configured to engage the crown to cover the plurality of crown apertures.

US Pat. No. 9,776,056

GOLF CLUB HEADS WITH RIBS AND RELATED METHODS

Karsten Manufacturing Cor...

7. A golf club head comprising:
a heel portion comprising a heel end;
a toe portion comprising a toe end;
a sole;
a crown; and
a ribbed region comprising at least part of at least one of the heel portion, the toe portion, the sole, or the crown;
wherein:
the sole comprises:
a sole thick region located between the heel portion and the toe portion and comprising a thickness greater than the ribbed
region;

a sole-heel region located between the sole thick region and heel end; and
a sole-toe region located between the sole thick region and the toe end; and
the ribbed region located outside the sole thick region comprises:
at least one of the sole-heel region; or
the sole-toe region;
a ribbed wall comprising:
a ribbed wall interior surface facing an interior of the golf club head; and
a ribbed wall exterior surface facing an exterior of the golf club head opposite the ribbed wall interior surface;
one or more ribs protruding from the ribbed wall and comprising:
at least a portion of the one or more ribs is arranged in at least one of:
 a parallelogram pattern;
 an isogrid pattern; or
 one or more polygonal shapes comprising:
 triangles;
 pentagrams; and
 hexagons; and
a first rib comprising:
 a first rib length measured along a rib centerline of the first rib;
 a first rib thickness greater than or equal to the thickness of the sole thick region;
 a first rib interior section, located at the ribbed wall interior surface, and extended along the first rib length;
 wherein:
 the first rib interior section protrudes past the ribbed wall interior surface throughout the first rib length; and
 a first rib exterior section, located at the ribbed wall exterior surface, and extended along the first rib length opposite
the first rib interior section;

 wherein:
 the first rib exterior section protrudes past the ribbed wall exterior surface throughout the first rib length.

US Pat. No. 9,630,071

GOLF CLUB HEAD OR OTHER BALL STRIKING DEVICE HAVING CUSTOM MACHINABLE PORTIONS

Karsten Manufacturing Cor...

1. An iron-type golf club head comprising:
an iron-type face having a ball-striking surface configured for striking a ball;
an iron-type golf club body connected to the face and extending rearward from the face and having a rear surface; and
at least one weight element integrally formed with the body, wherein the head has a total weight that is higher than a target
weight of the head, and wherein the at least one weight element is configured to be at least partially removed by machining
the rear surface to lower the total weight of the head to approximately equal the target weight;

wherein the at least two sections include boundaries marked by visible indicia.

US Pat. No. 9,630,073

IRON-TYPE GOLF CLUBS AND GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. An iron-type golf club head, comprising:
a ball striking face member comprising a first material having a first hardness;
a rear weight member comprising a second material having a second hardness;
at least one resilient member comprising a third material having a third hardness;
the rear weight member having a front surface and the ball striking face member having a rear surface;
the front and rear surfaces generally opposing one another and having a space therebetween; and
at least one engagement member comprising a fourth material having a fourth hardness and disposed within the space and contacting
at least one of the front and rear surfaces; wherein:

the third hardness is less than the first, second, and fourth hardnesses such that it exhibits substantially greater compressibility;
the engagement member defines at least one linear or curved region of reduced compressibility as a line of rigid engagement
between the ball striking face member and the rear weight member, the line of rigid engagement dividing the space into at
least first and second sides; and

the resilient member is disposed between the rear weight member and the ball striking face member in both the first and second
sides.

US Pat. No. 10,632,351

GOLF CLUB HEAD AND METHOD OF MANUFACTURING GOLF CLUB HEAD

Karsten Manufacturing Cor...

1. A golf club comprising:a golf club head body comprising:
a face surface arranged for striking a ball;
a rear surface opposite the face surface;
a sole surface;
a crown surface comprising a first crown surface and a second crown surface, the first crown surface being close to the face surface than is the second crown surface; and
a toe surface comprising a first toe surface and a second toe surface, the first toe surface being closer to the face than is the second toe surface;
an alignment plane substantially perpendicular to the face surface and substantially parallel to a ground plane;
wherein:
the toe surface is permanently coupled to the crown surface, the face surface, and the sole surface;
the crown surface is located opposite the sole surface;
the toe surface transitions to the crown surface at a toe end curved boundary surface comprising a first curved boundary surface where the first toe surface transitions to the first crown surface, a second curved boundary surface where the second toe surface transitions to the second crown surface, and a toe end radius of curvature;
when the golf club head body is at an address position:
the first crown surface interfaces with the first curved boundary surface at a first toe boundary line;
the second crown surface interfaces with the second curved boundary surface at a second toe boundary line; and
the first toe boundary line and the second toe boundary line intersect at an intersection point forming an angle, ?, in the alignment plane.

US Pat. No. 10,596,427

MULTI-COMPONENT GOLF CLUB HEAD

Karsten Manufacturing Cor...

1. A golf club head comprising a body:the body comprising a striking face, a rear end, a toe end, a heel end, a crown, a sole, a trailing edge, a first component comprising the striking face and a striking face return, and a second component comprising at least a portion of the rear end, wherein:
the first component comprises a first material having a first density;
the second component comprises a second material having a second density;
the first density is greater than the second density;
the striking face return of the first component extends rearwardly from the striking face and comprises a first component crown portion, and a first component sole portion;
wherein a first component sole portion rear extension extends from the first component sole portion of the striking face return toward the rear end,
wherein the first component sole portion of the striking face return and the first component sole portion rear extension form a T-shaped profile,
wherein the second component is configured to be coupled to the first component to form an enclosed hollow interior of the golf club head;
wherein the first component sole portion rear extension extends rearwards toward the toe end making an acute angle in relationship to an axis perpendicular to the strike face,
wherein the acute angle is between 10 degrees and 40 degrees from the axis perpendicular to the strike face or,
wherein the first component sole portion rear extension extends rearwards toward the heel end making an acute angle in relationship to an axis perpendicular to the strike face,
wherein the acute angle is between 10 degrees and 40 degrees from the axis perpendicular to the strike face.

US Pat. No. 10,543,410

CLUB HEADS FOR ADJUSTING VERTICAL SPIN OF A GOLF BALL AND METHODS OF PROVIDING THE SAME

Karsten Manufacturing Cor...

1. A golf club head comprising:a club head body comprising a front end, a rear end opposite the front end, a toe end, a heel end opposite the toe end, and a sole; and
a weighting mechanism;
wherein:
the weighting mechanism comprises a first configuration and a second configuration;
the weighting mechanism comprises multiple weight ports and at least one weight;
the weighting mechanism comprises at least one weight mass differential;
the multiple weight ports are located only at the sole;
the multiple weight ports are arranged in a straight line and at an angle relative to a face plane of the golf club head such that the weighting mechanism toward the front end is closer to the heel end than to the toe end and such that the weighting mechanism toward the rear end is closer to the toe end than to the heel end relative to the weighting mechanism toward the front end, the angle being measured approximately parallel to a ground plane of the golf club head when the golf club head is at address;
each of the multiple weight ports is configured to receive the at least one weight;
when the weighting mechanism is configured in the first configuration and a user hits a golf ball with the golf club head in a predetermined manner, the golf ball breaks contact with the golf club head (i) with a first vertical spin rate, (ii) with a first horizontal spin rate, and (iii) with a first horizontal spin direction;
when the weighting mechanism is configured in the second configuration and the user hits the golf ball with the golf club head in the predetermined manner, the golf ball breaks contact with the golf club head (i) with a second vertical spin rate, (ii) with approximately the first horizontal spin rate; and (iii) with approximately the first horizontal spin direction;
when the golf club head is at address, a vertical axis of rotational inertia extends vertically through a center of gravity of the golf club head;
when the weighting mechanism is configured in the first configuration, the golf club head comprises a first moment of inertia about the vertical axis of rotational inertia;
when the weighting mechanism is configured in the second configuration, the golf club head comprises a second moment of inertia about the vertical axis of rotational inertia; and
the second vertical spin rate is different than the first vertical spin rate, and the first moment of inertia is different than the second moment of inertia.

US Pat. No. 10,500,449

GOLF CLUB HEAD WITH OPEN CROWN AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:a front end having a bottom rail, a top rail, and a strikeface, the strikeface including:
a striking surface;
a back surface; and
a reinforcement element comprising a looped rib extending from the back surface of the strikeface, the looped rib having an outer perimeter surface and an inner perimeter surface, wherein:
the outer perimeter surface is filleted with the back surface of the strikeface; and
a largest rib span of the inner perimeter surface is 0.609 cm to 1.88 cm;
a rear end opposite the front end;
a heel portion;
a toe portion opposite the heel potion;
a sole coupled to the front end along the bottom rail at a sole transition region, the sole extending toward the rear end of the golf club head and including:
a sole thickness;
a perimeter wall extending from the front end near the heel portion to the front end near the toe portion along the rear end of the club head, wherein the perimeter wall includes a perimeter wall thickness and a perimeter wall height that decreases from the front end toward the rear end of the club head; wherein,
the club head is devoid of a crown; and
the back surface of the strikeface and a top surface of the sole are exposed.

US Pat. No. 10,092,798

GOLF CLUBS AND GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A golf club head, comprising:a club head body having an overall club head length dimension of at least 4.7 inches and an overall club head breadth dimension of at least 4.6 inches, wherein a ratio of the overall club head breadth dimension to the overall club head length dimension is at least 0.94 and is less than 1, wherein the club head body further has a center of gravity, a hosel center axis, and a Delta Y dimension within a range of 0.6 to 1.2 inches, wherein the Delta Y dimension is a rearward distance between the hosel center axis and the center of gravity.

US Pat. No. 10,080,936

GOLF CLUB HEAD WITH POLYMERIC FACE

Karsten Manufacturing Cor...

1. A golf club head comprising:a body including an annular face support having a recessed shelf and partially defining a central cavity;
a face plate insert having a hitting surface and a non-planar rear surface opposite the hitting surface, the face plate insert affixed to the body across the central cavity such that the non-planar rear surface of the face plate insert abuts the recessed shelf; the face plate insert including:
a metallic hitting plate forming the hitting surface and having a substantially uniform thickness;
a metallic rear plate forming the non-planar rear surface and having a substantially uniform thickness;
a polymeric layer disposed between the metallic hitting plate and the metallic rear plate, the polymeric layer consisting of a filled or unfilled thermoplastic polymer wherein the polymeric layer includes a central region surrounded by a peripheral region, and wherein the central region is thicker than the peripheral region.

US Pat. No. 10,004,955

GOLF CLUB HEAD WITH OPEN CROWN AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:a front end having a bottom rail, a top rail, and a strikeface, the strikeface including:
a striking surface;
a back surface; and
a reinforcement element comprising a looped rib extending from the back surface of the strikeface, the looped rib having an outer perimeter surface and an inner perimeter surface, wherein:
the outer perimeter surface is filleted with the back surface of the strikeface; and
a largest rib span of the inner perimeter surface is approximately 0.609 cm to approximately 1.88 cm
a rear end opposite the front end;
a heel portion;
a toe portion opposite the heel portion;
a sole coupled to the front end along the bottom rail at a sole transition region, the sole extending toward the rear end of the golf club head and including:
a sole thickness;
at least one weight member; and
a perimeter wall extending from the front end near the heel portion to the front end near the toe portion along the rear end of the club head, wherein the perimeter wall includes a perimeter wall thickness and a perimeter wall height that decreases from the front end toward the rear end of the club head; wherein,
the club head is devoid of a crown; and
the back surface of the strikeface and a top surface of the sole are exposed.

US Pat. No. 9,987,532

GOLF CLUBS AND GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A golf club head comprising:a club head body; and
an adjustable member configured to be engaged with the club head body;
wherein:
the adjustable member is rotatable and reconfigurable between at least a first position and a second position different than the first position, the adjustable member comprising a window;
the club head body comprises a first indicator providing a first bounce angle, wherein the first indicator aligns with, and displays through the window when the adjustable member is oriented in the first position, and a second indicator providing a second bounce angle different from the first bounce angle, wherein the second indicator aligns with, and displays through the window when the adjustable member is oriented in the second position;
the first indicator is located on a first protrusion located on the club head body;
the second indicator is located on a second protrusion located on the club head body;
the adjustable member further comprises recesses configured to receive the first and second protrusions when the adjustable member is engaged with the club head body; and
the first and second protrusions prevent the adjustable member from rotating by engaging with the recesses when the adjustable member is oriented in each of the first position and the second position.

US Pat. No. 9,925,442

GOLF CLUB HEADS WITH SOLE CAVITY PORTS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A system comprising:a first golf club head comprising:
a face comprising a strikeface and a backside opposite the strikeface;
a head CG from which a gravity vector extends;
a shaft axis extended along a shaft axis plane;
a head heel portion;
a head toe portion; and
a sole coupled to the face and comprising a sole bottom side and a sole port structure having a port cavity extending into the sole from the sole bottom side;
and
a first weight insertable into the port cavity along a first insertion axis;
wherein:
the sole port structure comprises:
a cavity opening located at the sole bottom side for access to the port cavity;
a cavity heel end at the head heel portion;
a cavity toe end at the head toe portion;
a cavity front wall toward the face and extended between the cavity heel end and the cavity toe end; and
a cavity rear wall away from the face and extended between the cavity heel end and the cavity toe end;
when the first weight is inserted into the port cavity via the cavity opening:
the first weight is abutted against the cavity front wall and against the cavity rear wall;
and
when the first golf club head is at address, with the shaft axis plane parallel to the gravity vector and orthogonal to a ground plane:
the port cavity comprises a cavity length, measured parallel to the ground plane, from the cavity heel end to the cavity toe end;
the strikeface comprises a strikeface length; and
the cavity length is approximately 30% to approximately 90% of the strikeface length;
a second golf club head comprising:
a second sole comprising a second sole port structure having a second port cavity extending into the second sole;
and
a second weight insertable into the second port cavity along a second inertion axis;
wherein:
the first golf club head is configured for a short-type golf club;
the second golf club head is configured for a long-type golf club;
the first weight comprises a mass of approximately 12 grams to approximately 28 grams; and
the second weight comprises a mass of approximately 2 grams to approximately 12 grams.

US Pat. No. 9,884,230

GOLF CLUB IRONS INCLUDING BACKING MATERIAL BEHIND BALL STRIKING FACE

Karsten Manufacturing Cor...

1. An iron type golf club head, comprising:
a sole edge, a heel side, a toe side, a rear portion, and a front portion, the front portion comprising:
a front surface, the front surface comprising:
a recess extending in a top-to-bottom direction ranging from 50-90% of a height of the overall iron type golf club head, and
extending in a heel-to-toe length direction ranging from 50-75% of a length of the overall iron golf club head, the recess
comprises a bounding edge forming a frame around the recess;

a ball striking surface configured to be received within the recess, wherein the ball striking surface comprises a perimeter
edge, and a contact region near a geometric center of the ball striking surface;

a heel-side portion;
a toe-side portion; and
a backing layer affixed behind the ball striking surface, wherein the backing layer is positioned behind the contact region,
and is exposed and visible on the front surface between the bounding edge of the recess, and the perimeter edge of the ball
striking surface;

wherein the perimeter edge is not directly attached to the iron type golf club head;
wherein the backing layer separates the ball striking surface from the heel-side portion and the toe-side portion;
wherein the backing layer separates at least a portion of the sole edge from a sole perimeter edge of the ball striking surface;
wherein the backing layer is further exposed and visible from a bottom of the iron type club head; and
wherein the ball striking surface has a varying thickness.

US Pat. No. 9,833,670

GOLF CLUB HEADS WITH FACE DEFLECTION JUNCTIONS AND RELATED METHODS

Karsten Manufacturing Cor...

8. A golf club head comprising:
a crown, a sole, a toe skirt, a heel skirt; and
a front end comprising:
a strikeplate comprising:
a strikeface;
a backface; and
a strikeplate perimeter;
a fixed joint between the strikeplate and a joint segment comprising a crown front portion, a toe skirt front portion, and
a heel skirt front portion;

and
a deflection junction configured to permit deflection between the strikeplate and a junction segment comprising a sole front
portion;

wherein:
the deflection junction comprises a junction slot defined between the strikeplate perimeter and the junction segment; and
the strikeplate perimeter is disconnected from the junction segment.

US Pat. No. 9,687,699

REINFORCED FACES OF CLUB HEADS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A method comprising:
providing a front face of a club head, the front face comprising a front surface and a back surface opposite the front surface;
and

providing one or more reinforcing structures at the back surface of the front face;
wherein:
the one or more reinforcing structures consist of a solidified welding material; and
the one or more reinforcing structures are devoid of adjoining structure other than the front face;
providing the one or more reinforcing structures at the back surface of the front face comprises:
coupling the one or more reinforcing structures with the front face at the back surface;
coupling the one or more reinforcing structures with the front face at the back surface comprises:
welding a filler material to the back surface of the front face, the solidified welding material comprising the filler material;
and
welding the filler material to the back surface of the front face comprises:
arc welding the filler material to the back surface of the front face.

US Pat. No. 10,653,925

GOLF CLUB HEAD OR OTHER BALL STRIKING DEVICE HAVING IMPACT-INFLUENCING BODY FEATURES

Karsten Manufacturing Cor...

1. A golf club head comprising:a face having a striking surface configured for striking a ball;
a body connected to the face and extending rearwardly from the face,
the body having a crown, a sole, a heel, and a toe;
wherein the body and the face combine to define an internal cavity, and
wherein the golf club head has a volume of at least 400 cubic centimeters;
an elongated channel extending across a portion of the sole,
wherein the elongated channel is recessed from adjacent surfaces of the sole; and
at least one internal rib connecting to an internal portion of the sole and to an internal portion of the elongated channel,
wherein the elongated channel has a variable maximum width and a variable maximum depth of recession along a length of the elongated channel,
wherein the elongated channel comprises a wall thickness,
the variable maximum width defined in a front to rear direction and the variable maximum depth of recession defined from the adjacent surfaces of the sole at a vertical plane passing through a face center,
wherein a ratio of the maximum width to the maximum depth is approximately 3.5:1 to 4.5:1,
wherein the elongated channel comprises a center portion extending toward the heel and the toe from the vertical plane passing through the face center,
a heel portion extending from a heel end of the center portion toward the heel, and a toe portion extending from a toe end of the center portion toward the toe,
wherein the elongated channel has a boundary that is defined by a front edge and a rear edge that extend between a first end and a second end of the elongated channel, and
the front edge and the rear edge at the heel portion and the toe portion are angled away from each other such that the elongated channel width at the heel and toe portion gradually increase toward the heel and the toe respectively, and
further wherein the depth of the heel portion and the toe portion of the elongated channel increase from the center portion toward the heel and the toe, respectively,
wherein the front edge of the elongated channel is rearwardly offset from the striking surface of the face a rearward spacing distance,
wherein the rearward spacing distance of the front edge of the elongated channel is approximately 8.5 mm.

US Pat. No. 10,543,408

GOLF CLUB HEADS WITH TURBULATORS AND METHODS TO MANUFACTURE GOLF CLUB HEADS WITH TURBULATORS

Karsten Manufacturing Cor...

11. A golf club head comprising:a crown, a sole, a toe end, a heel end, a face portion having a surface defining a loft plane, a rear end, and a leading edge between the face portion and the crown; and
a turbulator including a plurality of ridges disposed on the crown, wherein each ridge of the plurality of ridges includes:
a base positioned directly adjacent to the crown;
a top surface opposite the base of the ridge;
a front surface defining a portion of the ridge being closest to the face portion, extending from near the face portion towards the rear end of the club head;
wherein the front surface of each of the plurality of ridges includes a concave curvature in relation with the loft plane extending along the surface of the face portion and a convex curvature in relation with the loft plane extending along the surface of the face portion;
wherein the front surface of each of the plurality of ridges comprises an inflection point;
wherein the inflection point of each of the plurality of ridges is positioned at a point in which the concave curvature transitions into the convex curvature;
a ridge apex defined as a maximum height of the ridge measured in a direction perpendicular from the base of the ridge;
a rear surface defining a portion of the ridge being closest to the rear end of the golf club head, extending from behind the ridge apex towards the rear end of the club head; and
wherein, the ridge apex is positioned closer to the rear surface of the ridge than to the front surface.

US Pat. No. 10,507,364

GOLF CLUBS AND GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A golf club head, comprising:a club head body having an overall club head length dimension of at least 4.6 inches and an overall club head breadth dimension of more than 4.5 inches, wherein:
a ratio of the overall club head breadth dimension to the overall club head length dimension is at least 0.94 and is less than 1;
the club head body includes a hosel member for receiving a shaft; and
the club head body further has a center of gravity, a hosel center axis, and a Delta Z dimension within a range of 2.5 to 4 inches, wherein the Delta Z dimension is a distance, measured parallel to the hosel center axis, between the center of gravity and a plane tangent to a top rim of the hosel member.

US Pat. No. 10,434,381

CLUB HEAD HAVING BALANCED IMPACT AND SWING PERFORMANCE CHARACTERISTICS

Karsten Manufacturing Cor...

1. A hollow body golf club head comprising:a body having a front end, a back end opposite the front end, a crown, a sole opposite the crown, a heel, a toe opposite the heel, a skirt adjoining the crown and the sole, and a hosel structure having a hosel axis extending centrally through a bore in the hosel stucture;
a strikeface positioned at the front end and defining a geometric center, a loft plane tangent to the geometric center, and a head depth plane extending through the geometric center from the heel to the toe, perpendicular to the loft plane;
an embedded weight comprising a weight center positioned at one or more of the following locations:
(a) within 0.5 inch of a perimeter of the club head;
(b) greater than 2.2 inches from the head center of gravity; or
(c) greater than 4.0 inches from the geometric center of the strikeface;
a front radius of curvature between 0.18 to 0.30 inch, wherein the front radius of curvature extends from a top edge of the strikeface to a crown transition point, the crown transition point indicating a change in curvature from radius of curvature to a different curvature of the crown; and
a rear radius of curvature that extends between the crown and the skirt of the club head along a rear transition boundary from a first rear transition point located at the junction between the crown and the rear transition boundary and a second rear transition point located at the junction between the rear transition boundary and the skirt of the club head;
wherein:
a loft angle of the club head is less than 16 degrees;
a head center of gravity of the club head is located at a head CG depth from the loft plane, measured in a direction perpendicular to the loft plane, and at a head CG height from a head depth plane, measured in a direction perpendicular to the head depth plane;
the head CG depth is greater than 1.7 inches; and
the head CG height is less than 0.20 inches;
a crown-to-sole moment of inertia is greater than 3000 g·cm2;
a heel-to-toe moment of inertia is greater than 5250 g·cm2; and
the club head experiences a drag force less than 1.4 lbf when subjected to an air speed of 102 mph in a direction perpendicular to a plane extending through the geometric center of the strikeface, parallel to the hosel axis, and positioned at the loft angle from the loft plane.

US Pat. No. 10,195,498

GOLF CLUB HEADS WITH APERTURES AND METHODS TO MANUFACTURE GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A golf club head comprising:a face portion, a back portion generally opposite to the face portion, a heel portion extending between the face portion and the back portion, and a toe portion opposite to the heel portion and extending between the face portion and the back portion;
a crown portion extending between the face portion, the back portion, the heel portion and the toe portion, the crown portion comprising a plurality of apertures formed entirely through the crown portion; and
a protective cover configured to engage the crown portion to cover the plurality of apertures;
wherein each aperture has a largest dimension being less than or equal to 0.093 inch; and
wherein the number of the plurality of apertures is in a range of between 576 and 1500 apertures.

US Pat. No. 9,987,529

GOLF CLUB HEADS AND METHODS OF MANUFACTURING GOLF CLUB HEADS

Karsten Manufacturing Cor...

1. A golf club head comprising:a club face comprising:
a loft;
a face portion;
at least one groove in the club face, the at least one groove having a bottom with a bottom width ranging between approximately 0.009 inch to approximately 0.012 inch, a first side wall adjacent to the bottom, a second side wall adjacent to the bottom, a first groove radius adjacent to the first side wall, and a second groove radius adjacent to the second side wall;
a land width adjacent to a first top radius of the at least one groove and a second top radius of a second groove;
a pitch of the at least one groove ranging between approximately 0.110 inch and approximately 0.125 inch;
a depth of the at least one groove ranging between approximately 0.015 inch and approximately 0.021 inch; and
a second portion located between the face portion and one of the first top radius or the second top radius, the second portion is a substantially flat plane at a first angle with the face portion and has a length of between approximately 0.002 inch and 0.047 inch;
wherein:
the first angle is between approximately eight and eighteen degrees relative to the face portion; and
the at least one groove is compliant with a Thirty Degree Rule when measured from the first top radius and the second top radius.

US Pat. No. 9,868,040

HEADCOVERS HAVING A COLLAPSIBLE CONFIGURATION AND METHODS TO MANUFACTURE HEADCOVERS HAVING A COLLAPSIBLE CONFIGURATION

Karsten Manufacturing Cor...

1. A headcover comprising: a headcover body comprising: a belly panel, a first side panel, a second side panel, and a top
panel that collectively define an interior portion configured to receive a club head of a golf club; and a plurality of collapsible
portions defined by the headcover body, wherein each of the plurality of collapsible portions is configured to deform and
collapse the headcover body from a non-collapsed configuration to a collapsed configuration, wherein each of the plurality
of collapsible portions folds inwardly when the headcover body assumes the collapsed configuration.

US Pat. No. 9,776,050

GOLF CLUB HEAD OR OTHER BALL STRIKING DEVICE HAVING IMPACT-INFLUENCING BODY FEATURES

Karsten Manufacturing Cor...

1. A golf club head comprising:
a face having a striking surface configured for striking a ball;
a body connected to the face and extending rearwardly from the face, the body having a crown, a sole, a heel, and a toe;
an elongated channel extending across a portion of the sole in a heel to toe direction, wherein the channel is recessed from
adjacent surfaces of the sole and has a variable depth of recession from the adjacent surfaces of the sole, wherein the channel
comprises a center portion having a curved and generally semi-circular cross-sectional shape and parallel to the face extending
across a center of the sole, a heel portion extending from a heel end of the center portion toward the heel, and a toe portion
extending from a toe end of the center portion toward the toe,

wherein the channel has a front edge, a rear edge, and a width defined between the front and rear edges, wherein the width
and the depth of the center portion of the channel are substantially constant, and

wherein the depth of the channel is variable over a length of the channel and is greater at the heel and toe portions than
at the center portion, such that the depth of the channel at the heel and toe portions increases from the heel end of the
center portion toward the heel and from the toe end of the center portion toward the toe, and further wherein an access for
a hosel connecting structure is in communication with and intersects the heel portion of the channel.

US Pat. No. 9,717,959

GOLF CLUBS AND GOLF CLUB HEADS

KARSTEN MANUFACTURING COR...

13. A golf club head, comprising:
a wood-type golf club head body including at least a sole portion, a top portion, a toe edge, a heel edge, a ball striking
portion and a rear edge; and

an indicator formed in the wood-type golf club head body indicating a center of gravity of the golf club head, the indicator
at least partially formed in the sole portion of the club head body and extending across substantially all of the sole portion
of the club head body.

US Pat. No. 9,700,768

GOLF CLUB HEADS WITH RIBS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf club head comprising:
a body comprising:
a heel end, a toe end, a crown, a sole, a front end, and a rear end; and
at least one of a skirt or a hosel;
and
a first rib protruding from a rib surface of the body;
wherein:
the first rib comprises:
first and second first-rib ends opposite each other; and
first, second, and third first-rib portions protruded from the rib surface of the body;
the first first-rib portion is located between the first first-rib end and the third first-rib portion;
the second first-rib portion is located between the second first-rib end and the third first-rib portion;
the first first-rib portion comprises a first first-rib thickness substantially parallel to the rib surface;
the second first-rib portion comprises a second first-rib thickness substantially parallel to the rib surface;
the third first-rib portion comprises a third first-rib thickness substantially parallel to the rib surface;
and
the first and second first-rib thicknesses are greater than the third first-rib thickness.

US Pat. No. 10,632,354

GOLF CLUB BAG SUPPORT MECHANISMS AND RELATED METHODS

Karsten Manufacturing Cor...

1. A golf bag support mechanism comprising:a bracket comprising:
a bracket wall comprising an outer bracket side and an inner bracket side opposite the outer bracket side; and
a first dock adjacent to the outer bracket side of the bracket wall; and
a first hinge member configured for hinged coupling with the first dock;
wherein:
the first hinge member
comprises:
a first top end;
a first bottom end opposite the first top end;
a first sidewall extended between the first top end and the first bottom end;
a first protrusion protruding from the first top end and comprising a stop portion; and a first bore bounded by the first sidewall;
a first axis extends between the first top end and the first bottom end of the first hinge member;
the first bore is centered about the first axis;
the first dock comprises a first notch extending into the outer bracket side of the bracket wall;
the first dock comprises:
a first back wall comprising the first notch; and
a plurality of reinforcing ribs, wherein the plurality of reinforcing ribs are integral with the first dock;first and second ears coupled substantially perpendicular to, and at opposite ends of, the first back wall;the first ear comprises a first ear aperture;
the second ear comprises a second ear aperture;
a first clevis pin configured to hinge the first hinge member to the first dock; the first clevis pin comprises:
a head end portion comprising a clevis head; and
an insertion end portion configured to protrude out of the second ear aperture when the clevis pin is in a hinge position;
the insertion end portion is devoid of a retention mechanism; and a maximum thickness of the insertion end portion is complementary to aperture dimensions of each of the first and second ear apertures and a first and second hinge apertures;
wherein:
the plurality of reinforcing ribs are adjacent to at least one end of the first notch; and
the first hinge member comprises:
a first sidewall end of the first sidewall, the first sidewall end comprising the first hinge aperture; and
a second sidewall end of the first sidewall and opposite the first sidewall end, the second sidewall end comprising the second hinge aperture; and
the first clevis pin is insertable along a hinge axis of the first hinge member into the hinge position to hinge the first hinge member with the first dock,
the hinge position comprising the first clevis pin in the first ear aperture, the first hinge aperture, the first bore, the second hinge aperture, and the second ear aperture,
wherein an inner end of the first bore of the first hinge member comprises a first and second fingers protruding therefrom; and
the first clevis pin comprises a first groove between the head end portion and the insertion end portion and at least partially circumscribing the first clevis pin;
a distance between the first and second fingers is: complementary with a thickness of the first clevis pin at the first groove; and less than a thickness of the first clevis pin adjacent to either side of the first groove; and
the first and second fingers are configured to straddle the first groove when the first clevis pin is in the hinge position to restrict the clevis pin from sliding out of the hinge position; and
the first and second fingers comprise a flexible material; and
the golf bag support mechanism is configurable between a retracted configuration and an extended configuration; and
when the golf bag support mechanism is in the extended configuration: an extended angle exists between the first axis and the bracket wall; and
the stop portion of the first protrusion is received at least partially within the first notch.

US Pat. No. 10,556,159

CLUB HEAD HAVING BALANCED IMPACT AND SWING PERFORMANCE CHARACTERISTICS

Karsten Manufacturing Cor...

1. A hollow body golf club head comprising:a body having a front end, a back end opposite the front end, a crown, a sole
opposite the crown, a heel, a toe opposite the heel, a skirt adjoining the crown and the sole, and a hosel structure having a hosel axis extending centrally through a bore in the hosel structure;
a strikeface positioned at the front end and defining a geometric center, a loft
plane tangent to the geometric center, and a head depth plane extending through the geometric center from the heel to the toe, perpendicular to the loft plane;
wherein:
a loft angle of the club head is less than 16 degrees;
a volume of the club head is greater than 400 cc;
a head center of gravity of the club head is located at a head CG depth
from the loft plane, measured in a direction perpendicular to the loft plane, and at a head CG height from a head depth plane, measured in a direction perpendicular to the head depth plane;
the club head experiences a drag force FD when subjected to an air speed
of 102 mph in a direction perpendicular to a plane extending through the geometric center of the strikeface, parallel to the hosel axis, and positioned at the loft angle from the loft plane
the club head has a crown-to-sole moment of inertia Ixx, a heel to toe
moment of inertia Iyy, and a combined moment of inertia measured
as the sum of the crown-to-sole moment of inertia and the heel to toe moment of inertia Ixx+Iyy;
wherein the combined moment of inertia is greater than 9000 g·cm2;
further comprising an embedded weight comprising a weight center position at one or more of the following locations:
(a) within 0.5 inch of a perimeter of the club head;
(b) greater than 2.2 inches from the head center of gravity; or
(c) greater than 4.0 inches from the geometric center of the strikeface; and
the club head satisfies relation A and one or more of relations B and C: