US Pat. No. 9,140,368

GATE VALVE WITH TRACK CLEANOUT

Mueller International, LL...

1. A gate valve comprising:
a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet, an outlet,
and a fluid path therebetween, a track defined in the inner surface, the track defining a bottom surface;

a gate having a wing;
a scraper having a leading edge, the scraper mounted to the wing of the gate;
a guide cap mounted on the wing of the gate, the guide cap connected to the scraper; and
a biasing element, the biasing element biasing the leading edge of the scraper against the bottom surface of the track.

US Pat. No. 9,238,904

IN-GROUND FLUSHING DEVICE

Mueller International, LL...

7. A flushing device comprising:
an enclosure having an inner surface and an outer surface, the inner surface and the outer surface defining an access opening
proximate an upper portion of the enclosure;

a platform within the enclosure, the platform having a top surface and a bottom surface, the top surface facing the access
opening;

a flushing valve mounted on the platform; and
a U-shaped rigid fluid routing support pipe mounted on the platform and disposed substantially below the platform, the U-shaped
rigid fluid routing support pipe in fluid communication with the flushing valve, a portion of the U-shaped rigid fluid routing
support pipe extending through the platform, the U-shaped rigid fluid routing support pipe accessible from the access opening,
the platform movable proximate to the access opening by interaction with the U-shaped rigid fluid routing support pipe.

US Pat. No. 9,287,963

RELAY MODULES FOR COMMUNICATION WITHIN A MESH NETWORK

Mueller International, LL...

1. A relay module comprising:
a mast having an inner surface and an outer surface, the inner surface defining a cavity, the mast defining a utility structure
marker;

an antenna disposed within the cavity;
a spring assembly comprising a spring, an upper spring insert attached to the mast, and a lower spring insert;
a radio housing; and
a mounting device positioned between the radio housing and the mast, coupled to the mast and engageable with a utility structure,
the mounting device attached to the lower spring insert.

US Pat. No. 9,297,482

SLIP ON GROOVE COUPLING WITH MULTIPLE SEALING GASKET

Mueller International, LL...

1. A coupling for joining a first pipe and a second pipe, the coupling comprising:
an upper housing;
a lower housing;
at least one fastening device coupling the upper housing to the lower housing; and
a gasket positioned within the upper and lower housings and having a concave outer diameter, the gasket including
two primary seals, each primary seal formed on an outer edge of the gasket,
a rib protruding from an inner surface of the gasket and between the two primary seals, the rib having a sealing surface,
the gasket slideable over the first pipe end such that at least a portion of the first pipe extends axially beyond each edge
of the gasket, a first primary seal of the two primary seals and the sealing surface of the rib contactable with an exterior
surface of the first pipe when the first pipe and the second pipe are joined end-to-end, and a second primary seal of the
two primary seals and the sealing surface of the rib contactable with an exterior surface of the second pipe when the first
pipe and the second pipe are joined end-to-end.

US Pat. No. 9,080,700

COUPLING GASKETS AND ASSOCIATED METHODS

Mueller International LLC...

1. An asymmetrical annular gasket comprising:
a substantially L-shaped housing interface portion defining a first leg and a second leg;
a pipe sealing portion extending from said first leg and including a tapered rib extending from the pipe sealing portion,
the tapered rib when not engaged having a substantially horizontal component surface extending in a substantially axial direction,
a declined component surface intersecting the substantially horizontal component surface, a radius section intersecting the
substantially horizontal component surface and extending at least partially radially inward from the substantially horizontal
component surface, and a declined section extending radially inwardly from the radius section at a different angle than the
radius section, the declined component surface when not engaged extending at least partially radially outward from the substantially
horizontal component surface and intersecting a horizontal section having a surface extending in a substantially axial direction;
and

a flange sealing portion extending from said second leg.

US Pat. No. 9,052,038

SWAY BRACE RETAINING CLIP

Mueller International, LL...

1. A sway brace comprising:
a brace pipe, the brace pipe attachable to a structure;
a sway brace clamp coupled to the brace pipe, the sway brace clamp including:
a rod having a first rod end, a second rod end, a first bracing end, and a second bracing end, the rod defining a pipeline
connection portion sized to accept a pipeline and a brace pipe connecting portion sized to accept the brace pipe; and

a retaining clip connecting the first bracing end of the rod to the second bracing end of the rod, wherein the retaining clip
is a plate, the plate defining a slot, the second bracing end extending through the slot.

US Pat. No. 9,297,484

SLIP-ON COUPLING

Mueller International, LL...

1. A slip-on coupling comprising:
at least one segment, each segment including at least one inner surface, at least one outer surface, at least two ends, and
a fastener pad protruding proximate to each end, each fastener pad defining a fastener hole about centered on each fastener
pad, each fastener hole having an axial length and a transverse length, wherein the transverse length is longer than the axial
length, wherein the at least one segment includes a tongue, wherein a mating surface of the tongue is angled at a non-zero
angle with respect to a horizontal axis of the segment;

an annular gasket contacting the inner surface of at least one segment, the annular gasket including at least one sealing
surface directed radially inwardly and an outer surface directed radially outwardly; and

at least one fastener disposed within at least one fastener hole, each fastener including a head portion and a shaft portion,
each shaft portion including at least one of a threaded portion, a shank portion, and a collar portion, wherein at least one
portion of the shaft portion is sized to engage at least one fastener hole.

US Pat. No. 9,243,944

ADJUSTABLE UNDERGROUND METER INSTALLATION

Mueller International, LL...

1. A pit liner assembly comprising:
a tubular upper section defining a first internal chamber;
a tubular lower section defining a second internal chamber, the first internal chamber of the tubular upper section and the
second internal chamber of the tubular lower section in combination defining an assembly internal chamber;

a pin, the pin connected to one of the upper section and the lower section;
a notch array defined in at least one of the upper section and the lower section, each pin protruding into one notch array,
the array including a step, the step including a horizontal portion and a vertical portion, the lower section and the upper
section sized to telescope with each other;

a relief cut formed into each tubular section in which a notch array is defined; and
a platform moveable within the assembly internal chamber.

US Pat. No. 9,506,591

SELF-RESTRAINED PIPE JOINT METHOD OF ASSEMBLY

Mueller International, LL...

1. A method of assembling a self-restrained pipe joint system, comprising the steps of:
disposing an elastomeric restraining gasket within an opening of a female piping member;
affixing a retaining flange to the end of the female piping member, wherein affixing the retaining flange to the end of the
female piping member includes engaging the retaining flange with the gasket and the female piping member, and wherein engaging
the retaining flange with the gasket includes accommodating a flanged portion of the gasket in a lower counterbore of the
retaining flange; and

inserting a spigot end of a male piping member of the pipe joint system into the female piping member of the pipe joint system
through a circular opening in the retaining flange.

US Pat. No. 9,496,943

TAMPER-RESISTANT RELAY MODULES FOR COMMUNICATION WITHIN A MESH NETWORK

Mueller International, LL...

1. A relay module comprising:
a mast having an inner surface and an outer surface, the inner surface defining a cavity, the mast defining a utility structure
marker;

an antenna disposed within the cavity;
a spring assembly comprising a spring, an upper spring insert attached to the mast, and a lower spring insert;
a mounting bracket, the mounting bracket defining a fastener hole, the fastener hole sized to accept a bolt of a utility structure;
and

a radio housing engageable with the utility structure by the mounting bracket fastened to a top surface of the radio housing,
the mounting bracket mounting the radio housing and the spring assembly exterior to the utility structure, the lower spring
insert attached to the radio housing.

US Pat. No. 9,151,023

SYSTEMS AND METHODS FOR CONTROLLING FLUSHING APPARATUS AND RELATED INTERFACES

Mueller International, LL...

1. A system comprising:
a water passageway for discharging pressurized water from a portion of a subterranean pressurized water distribution system;
a flow control valve disposed along the water passageway, the flow control valve permitting or prohibiting a flow of the pressurized
water through the water passageway;

a water sampling apparatus for obtaining water sample data corresponding to a sample of the pressurized water from the water
passageway;

a processor configured to receive the water sample data from the water sampling apparatus and measure a plurality of water
quality levels from the water sample data; and

a memory in electrical communication with the processor, the memory configured to store a plurality of selectable flushing
programs, a first flushing program of the plurality of selectable flushing programs based on a first condition when a water
quality level of the plurality of measured water quality levels reaches a pre-set level, a second flushing program of the
plurality of selectable flushing programs based on a second condition when time-based settings are matched;

wherein the processor is further configured to initiate a flushing operation at least when the first flushing program is selected
and the first condition is met or when the second flushing program is selected and the second condition is met, the flushing
operation including the process of causing the flow control valve to permit the pressurized water to flow through the water
passageway.

US Pat. No. 9,494,250

VALVE WITH SYNC CAM

Mueller International, LL...

1. A valve comprising:
a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet, an outlet,
and a body cavity between the inlet and the outlet;

a gate movably coupled to the valve body and moveable over a portion of the valve body at least partially between the inlet
and the outlet, the gate including a cam stop; and

a drive assembly, the drive assembly including a pair of drive lines, each drive line having a drive shaft, a first drive
line of the pair of drive lines including a sync cam, the sync cam of the first drive line movably positioned on the drive
shaft of the first drive line and positioned relative to the cam stop.

US Pat. No. 9,080,630

SNUBBER WITH SECONDARY FLUID RESERVOIR

Mueller International, LL...

1. A snubber, comprising:
a body containing fluid;
a piston, including a piston rod, adapted to slide within the fluid in the body;
a lockup valve positioned outside of the piston rod wherein under operating conditions the lockup valve is unlocked enabling
the piston to move freely, and wherein under a predetermined set of conditions the lockup valve is locked limiting the motion
of the piston;

a main reservoir defined by the body and containing fluid, and
a second reservoir defined within the piston rod containing a reserve of fluid,
wherein the lockup valve divides at least a portion of the body into a first chamber and a second chamber,
wherein under the predetermined set of conditions the lockup valve prevents fluid flow between the two chambers, and
wherein under the predetermined set of conditions, the lockup valve is lockable outside of the piston rod and enabled to remain
locked when there is a difference in fluid pressure between the two chambers.

US Pat. No. 9,047,756

HIGH TRAFFIC DATA TRANSMISSION

Mueller International, LL...

1. A method of receiving data by a collector node, comprising:
listening, by the collector node, during a first listening period, for a hailing signal from a plurality of RF devices on
a hailing channel, the hailing signal including identification of a specified data channel;

in response to receiving the hailing signal from one of the plurality of RF devices, switching to the specified data channel
and receiving data, by the collector node, on the specified data channel;

collecting, by the collector node, during a collecting period, data from the plurality of RF devices;
receiving, by the collector node, the data from at least one of the plurality of RF devices;
listening, during a second listening period, for an alert notification;
if an alert notification is received in response to listening for the alert notification, terminating receiving data from
one of the plurality of RF devices; and

receiving an alert data message from an RF device,
wherein the first listening period and the collecting period occur at different times.

US Pat. No. 9,291,520

FIRE HYDRANT LEAK DETECTOR

Mueller International, LL...

1. A leak detection system comprising:
a housing installed within a fire hydrant;
at least one leak detection sensor contained within the housing;
a transmitter circuit mounted on a first circuit board contained within the housing, the transmitter circuit being in communication
with the at least one leak detection sensor for communicating leak detection data; and

a digital signal processing circuit mounted on a second circuit board contained within the housing, the digital signal processing
circuit being in communication with the at least one leak detection sensor and the transmitter circuit.

US Pat. No. 9,476,186

MAIN VALVE WITH INTERNAL RIGID STRUCTURE

Mueller International, LL...

1. A valve assembly comprising:
a valve plate; and
a reversible main valve contacting the valve plate, the main valve having an internal rigid structure and an outer shell and
defining a top surface and a bottom surface, the internal rigid structure defining

a top surface,
a bottom surface,
a bore extending from the top surface of the internal rigid structure to the bottom surface of the internal rigid structure,
and

a side surface, the internal rigid structure being at least partially enclosed by the outer shell,
the outer shell defining a side surface and a radially outermost edge on the side surface, the side surface of the outer shell
including a beveled portion extending from the radially outermost edge of the side surface of the outer shell towards the
top surface of the main valve, the main valve defining a bore extending from the top surface of the main valve to the bottom
surface of the main valve,

wherein an inner diameter of the bore of the main valve is less than an inner diameter of a bore of the internal rigid structure.

US Pat. No. 9,408,251

TRANSMITTING DATA WITHIN A MESH NETWORK

Mueller International, LL...

1. A data communication utility metering device within a mesh network, the data communication utility metering device configured
to function in either a master mode or a slave mode, comprising:
a radio frequency (RF) driver configured to transmit RF signals via an antenna to a remote utility metering device and receive
RF signals from the remote utility metering device via the antenna;

a timing device configured to generate a plurality of timing signals to synchronize the data communication utility metering
device with the remote utility metering device, the timing signals establishing a plurality of sequential time periods;

a memory device configured to store a frequency channel table listing a predetermined sequence of frequency channels, the
frequency channel table also being stored in the remote utility metering device;

a transmitter configured to, when the utility metering device is in the master mode, forward information related to a first
data packet to the RF driver for transmission over a first frequency channel of the predetermined sequence of frequency channels
to the remote utility metering device during a first time period of the plurality of sequential time periods;

a receiver programmed to perform the steps of:
when the utility metering device is in the slave mode, receiving a remote data packet from the remote utility metering device;
when the utility metering device is in the slave mode, storing the remote data packet in the memory device; and
when the utility metering device is in the master mode, receiving a remote acknowledgement (ACK) signal and a data packet
identification (packet ID) from the remote utility metering device;

an acknowledgement signal processing module programmed to perform the steps of:
when the utility metering device is in the master mode, receiving the remote ACK signal from the receiver for a successful
transmission of a data packet or, if transmission of a data packet fails for two or more consecutive attempts, counting a
number of times that transmission of the data packet is unsuccessful;

when the utility metering device is in the slave mode:
receiving a signal from the receiver that the remote data packet has been received;
preparing a local ACK signal indicating receipt of the remote data packet; and
sending a signal to the transmitter indicating that the local ACK signal is to be transmitted to the remote utility metering
device; and

a packet ID manager configured to, when the utility metering device is in the master mode, analyze the packet ID to determine
whether the proper packet had been received, and if so, to increment a packet ID to be transmitted with a next data packet,

wherein, if the first data packet is successfully transmitted in the master mode between the data communication utility metering
device and the remote utility metering device, the transmitter is further configured to forward information related to a second
data packet to the RF driver for transmission over a next frequency channel of the predetermined sequence of frequency channels
to the remote utility metering device during a next time period of the plurality of sequential time periods,

wherein the information related to the first data packet includes at least the first data packet itself and the information
related to the second data packet includes at least the second data packet itself, and

wherein, if during the first time period the RF driver does not receive the remote ACK signal from the remote utility metering
device indicating that the first data packet was received, the transmitter is further configured to forward the first data
packet to the RF driver for re-transmission over the next frequency channel of the predetermined sequence of frequency channels
to the remote utility metering device during the next time period of the plurality of sequential time periods and postponing
transmission of the second data packet.

US Pat. No. 9,165,456

SYSTEMS AND METHODS FOR DISTRIBUTING DATA WITHIN A MESH NETWORK

Mueller International, LL...

1. A system comprising:
a utility provider configured to provide utility services to a plurality of customers;
a plurality of meters, each meter configured to measure utility usage data of a respective customer; and
a plurality of intermediate nodes configured to transmit the utility usage data from the plurality of meters to the utility
provider,

wherein, when at least one of the plurality of meters is scheduled to receive a firmware upgrade, the utility provider is
configured to forward the firmware upgrade to at least one of the plurality of intermediate nodes,

wherein the at least one of the plurality of intermediate nodes is configured to receive and store the firmware upgrade and,
after storing the firmware upgrade, is further configured to forward the firmware upgrade to at least one of the plurality
of meters,

wherein each intermediate node comprises a voltage monitoring device configured to monitor a voltage level of a power supply
providing power to the respective intermediate node, and

wherein, if the voltage monitoring device determines the voltage level to be below a predetermined threshold level, the respective
intermediate node pauses the forwarding process until the voltage level returns to above the predetermined threshold level.

US Pat. No. 9,047,760

HIGH TRAFFIC DATA TRANSMISSION

Mueller International, LL...

1. A method of receiving data by a collector node, comprising:
listening, by the collector node, during a listening period, for a hailing signal from a plurality of RF devices on a hailing
channel, the hailing signal including identification of a specified data channel;

in response to receiving the hailing signal from one of the plurality of RF devices, switching to the specified data channel
and receiving data, by the collector node, on the specified data channel;

collecting, by the collector node, during a collecting period, data from the plurality of RF devices;
receiving, by the collector node, the data from at least one of the plurality of RF devices;
receiving an alert notification from a second RF device during the collecting of the one of the plurality of RF devices;
terminating receiving data from the one of the plurality of RF devices; and
receiving an alert data message from the second RF device,
wherein the listening period and the collecting period occur at different times.

US Pat. No. 9,494,249

MECHANICAL STOP FOR ACTUATOR AND ORIFICE

Mueller International, LL...

1. A valve comprising:
a valve cover, the valve cover having a solenoid attachment portion defining a threaded solenoid attachment sink, an orifice
bore defined in the solenoid attachment portion, and a valve cover mechanical stop, the valve cover mechanical stop protruding
from an outer surface of the solenoid attachment portion; and

a solenoid, the solenoid having a solenoid body, a valve cover attachment portion defining a threaded attachment portion engagable
with the threaded solenoid attachment sink, and a plunger, the plunger having an open position and a closed position, the
plunger including an interface portion, the solenoid body including a solenoid mechanical stop, the solenoid mechanical stop
protruding from an outer surface of the solenoid body, the solenoid mechanical stop engagable with the valve cover mechanical
stop to space the interface portion of the plunger away from the orifice bore when the plunger is in the open position.

US Pat. No. 9,428,888

IN-GROUND FLUSHING DEVICE

Mueller International, LL...

1. A flushing device comprising:
an enclosure having an inner surface and an outer surface, the inner surface defining an interior of the enclosure and the
outer surface defining an exterior of the enclosure, the inner surface and the outer surface further defining an access opening
proximate an upper portion of the enclosure;

a discharge conduit;
a platform situated within the enclosure, the platform having a top surface and a bottom surface, the platform movable to
proximate the access opening; and

a U-shaped rigid fluid routing support pipe mounted to the platform and in fluid communication with the discharge conduit,
the U-shaped rigid fluid routing support pipe disposed substantially below the platform, a portion of the U-shaped rigid fluid
routing support pipe extending through the platform.

US Pat. No. 9,121,532

GASKET FOR PARABOLIC RAMP SELF RESTRAINING BELL JOINT

Mueller International, LL...

1. A system for sealing a spigot, the system comprising:
a gasket, the gasket having a front end, a first section, and a second section, the gasket defining at least one groove in
the first section;

at least one substantially rigid member contacting the front end, the substantially rigid member made of a material that is
more rigid than a material of the gasket; and

a bell encircling the gasket, the bell defining a gasket seating area, the bell including an inner surface, wherein the inner
surface includes a blended curve and directly contacts the at least one substantially rigid member.

US Pat. No. 9,168,585

COUPLING WITH EXTENDING PARTING LINE

Mueller International, LL...

1. A pipe coupling comprising at least one coupling segment, each segment including an outer surface;
an inner surface, the outer surface and the inner surface both having a substantially curved shape;
two ends;
a fastener pad protruding proximate to each end;
a parting line extending around each segment, the parting line forming an axially outermost edge along each axial side of
each coupling segment, the parting line offset from an outermost top surface of each fastener pad towards a bottom surface
of each fastener pad;

a contact surface facing radially inwardly;
an upper body surface adjacent the parting line sloping inwardly from the parting line towards a vertical axis of the segment;
and

a lower body surface adjacent the parting line sloping inwardly from the parting line towards the vertical axis of the segment.

US Pat. No. 9,303,803

RESTRAINING JOINT DEVICE

Mueller International, LL...

1. A joint comprising:
a housing wherein the housing defines a longitudinal axis and includes:
a first end located along the longitudinal axis that defines a first aperture that is at least partially decreasing in size
along the longitudinal axis, said first aperture further defined by a surface located inside the housing;

a second end located along the longitudinal axis that defines a second aperture; and
a third aperture located between the first and second apertures that is configured for receiving a pipe element, said third
aperture being further defined by a shoulder that said pipe element can contact, preventing the pipe element from reaching
the second aperture;

a seal that is in contact with the inside surface of the first aperture of the housing;
a gripping member; and
a draw member that is operatively associated with the seal and the housing.

US Pat. No. 9,200,718

AIR VALVE SEAT

Mueller International, LL...

1. An air valve comprising:
a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet and an
outlet;

a seat mounted within the valve body and having an upper surface and a flat lower surface, the upper surface facing the outlet
of the valve body, the upper surface and the flat lower surface defining a bore extending between the upper surface and the
flat lower surface, the bore having an inner edge, the upper surface further defining a first sealing ridge and a second sealing
ridge, the first sealing ridge having a first thickness diameter, an innermost point of the first sealing ridge spaced from
the inner edge by a first distance that is less than the first thickness diameter of the first sealing ridge and an outermost
point of the first sealing ridge spaced from the second sealing ridge by a flat transition surface having a second distance
that is less than the first thickness diameter of the first sealing ridge; and

a float moveable within the valve body and engageable with the bore of the seat.

US Pat. No. 9,447,900

NON-CONDUCTIVE ROLLER ASSEMBLY

Mueller International, LL...

1. A pipe roller assembly comprising:
a roller base;
a lug, the lug defining a lug bore;
a roller shaft mounted to the roller base on the lug through the lug bore, the roller shaft defining an outer shaft surface;
a roller defining an outer roller surface and an inner bearing surface, the roller mounted on the roller shaft; and
a non-conductive barrier mounted between the roller and the roller base, the non-conductive barrier electrically isolating
the roller from the roller base thereby preventing any electric current from being conducted from the roller to the roller
base, the non-conductive barrier comprising a bearing mounted between the roller and the roller shaft and a separation portion
extending around the roller shaft and between the roller and the lug, the separation portion comprising a non-conductive material;

wherein the bearing is a bushing, the bushing including an inner sliding layer and an outer backing layer, the inner sliding
layer defining an inner bushing surface, the outer backing layer defining an outer bushing surface, the inner bushing surface
contacting the outer shaft surface of the roller shaft, and the outer bushing surface contacting the inner bearing surface
of the roller.

US Pat. No. 9,441,771

PIPE COUPLING DEVICE

Mueller International, LL...

1. A pipe system comprising:
a male piping member, the male piping member comprising an outer surface;
a female piping member to receive the male piping member, the female piping member comprising
an enlarged end portion dimensioned to surround the male piping member to define a sealing cavity between the enlarged end
portion and the outer surface of the male piping member, and

a cone-shaped portion having a larger end and a smaller end, the larger end intersecting a front wall of the female piping
member, the front wall defining a continuous inner cone surface, and the front wall of the female piping member intersecting
the enlarged end portion, the smaller end of the cone-shaped portion dimensioned no larger than the male piping member; and

a coupling device for use with the male piping member and the female piping member, the coupling device comprising
a compressible sealing gasket arranged within the sealing cavity,
a gripping ring dimensioned to surround the male piping member, the gripping ring having an inner surface and an outer surface,
the inner surface including at least one gripping member and the outer surface including at least one overlapping surface,

an intermediate ring dimensioned to surround the male piping member, a first edge of the intermediate ring comprising an overlapping
surface facing at least partially radially inward and being in communication with and at least partially overlapping the at
least one overlapping surface of the gripping ring, a second edge of the intermediate ring comprising a gasket mating surface
in communication with the compressible sealing gasket, and

a locking ring dimensioned to surround the male piping member and to communicate with the gripping ring, the locking ring
also including an overlapping surface, wherein through a tightening connection between the locking ring and the female piping
member, the locking ring communicates with the gripping ring to force the intermediate ring into the compressible sealing
gasket to form a seal between the male piping member and the female piping member and to subsequently force the gripping ring
to grip the male piping member.

US Pat. No. 9,423,273

HIGH TRAFFIC DATA TRANSMISSION

Mueller International, LL...

1. A hybrid method for collecting data by a collector node, comprising:
a pushing method of collecting data by the collector node, the pushing method configured to perform a push mode to initiate
data collection via a collector transceiver from a child node during a pushing period, wherein a length of the pushing period
is determined by a predetermined event; and

subsequent to the predetermined event, a pulling method of collecting data, by the collector node, the pulling method configured
to perform a pull-push cycle to initiate data collection via the collector transceiver during a pulling period, wherein the
pull-push cycle comprises

performing a pull mode for a predetermined period of pull time, and
after expiration of the predetermined period of pull time of the pull-push cycle, performing a temporary push mode to receive
priority data from the child node for a predetermined period of temporary push time via the collector transceiver,

wherein the predetermined period of pull time of the pull-push cycle and the predetermined period of temporary push time have
different durations.

US Pat. No. 9,194,519

GASKET FOR PARABOLIC RAMP SELF RESTRAINING BELL JOINT

Mueller International, LL...

1. A system for sealing a spigot, the system comprising:
a pressure sealing gasket, the pressure sealing gasket having a front end, a first section, and a second section, the first
section between the front end and the second section and defining an upper surface and a lower surface, the second section
including an annular lip seal and a cylindrical gasket heel, the cylindrical gasket heel facing radially outward and intersecting
the upper surface of the first section extending radially inward at an angle from the intersection with the gasket heel, the
annular lip seal extending radially inward from the lower surface of the first section, the pressure sealing gasket defining
at least one groove in the first section;

at least one substantially rigid member contacting the front end, the substantially rigid member made of a material that is
more rigid than a material of the gasket; and

a bell encircling the pressure sealing gasket, the bell defining a gasket seating area.

US Pat. No. 9,476,740

REVERSE FLOW DETECTION AND ANNUNCIATION

Mueller International, LL...

1. A method for detecting a reverse flow condition in a meter, the method comprising the steps of:
accumulating, by a microcontroller in the meter, an amount of reverse flow in the meter over a time period;
determining, by the microcontroller, whether the accumulated amount of reverse flow over the time period exceeds a threshold
value; and

upon determining that the accumulated amount of reverse flow over the time period exceeds the threshold value, providing,
by the microcontroller, a reverse flow alert,

wherein accumulating the amount of reverse flow in the meter over the time period comprises periodically determining a reverse
pulse count indicating a number of reverse flow pulses that occurred since a last measurement and adding an amount of flow
represented by the reverse pulse count to a backflow accumulator in the microcontroller.

US Pat. No. 9,222,582

MAIN VALVE WITH INTERNAL RIGID STRUCTURE

Mueller International, LL...

1. A valve assembly comprising:
a valve plate; and
a main valve contacting the valve plate, the main valve having an internal rigid structure and an outer shell, the internal
rigid structure having

a top surface,
a bottom surface, and
a side surface, the internal rigid structure being fully enclosed by the outer shell such that the outer shell covers every
surface of the internal rigid structure,

the outer shell defining a side surface and a radially outermost edge on the side surface, the side surface of the outer shell
including a first beveled portion and a second beveled portion, the first beveled portion extending from the radially outermost
edge of the side surface of the outer shell towards a top surface of the outer shell, the second beveled portion extending
from the first beveled portion to the top surface of the outer shell, the outer shell also including an elastic material.

US Pat. No. 9,651,400

SYSTEMS AND METHODS FOR GENERATING POWER THROUGH THE FLOW OF WATER

Mueller International, LL...

1. A remote water meter monitoring system comprising:
an energy converter in fluid connectivity with water flowing through a pipe, the energy converter being driven by a mechanical
energy of water flowing through the pipe to convert the mechanical energy into an electrical energy for charging a battery
connected to the energy converter; and

a sensor detecting a level of a property of the water, the sensor being powered by the battery connected to the energy converter.

US Pat. No. 9,553,358

DIRECTIVE ARRAY FOR DRIVE-BY METER READING

Mueller International, LL...

1. A system comprising:
a receiver configured to receive wirelessly transmitted data from a plurality of utility meters at customer locations; and
an antenna assembly operatively coupled to the receiver and configured to be mounted on a top surface of a vehicle, the antenna
assembly comprising a housing, a plurality of electrical components, and a plurality of antennas, each of the plurality of
antennas connected to a top of the housing, each antenna extending from the top of the housing in a direction substantially
perpendicular to the ground, each of the plurality of electrical components connected inside the housing,

wherein the plurality of antennas are arranged in a plane substantially parallel with a first axis corresponding to a forward
direction of the vehicle, wherein the antenna assembly creates a pattern generally directed in opposite directions about a
line substantially parallel to the ground and perpendicular to the first axis, and wherein the antenna assembly is configured
to receive the wirelessly transmitted data from the plurality of utility meters,

wherein the plurality of electrical components comprises at least a coaxial cable, a bandpass filter, and a low noise amplifier,
wherein an output from the low noise amplifier is supplied via a the coaxial cable to the receiver located inside the vehicle,
and wherein the low noise amplifier is configured to receive a 12V DC signal from the vehicle.

US Pat. No. 9,194,108

FLUSHING HYDRANT WITH FAIL-SAFE

Mueller International, LL...

1. A device for flushing a hydrant comprising:
a stem connected to a fluid valve of the hydrant; and
an actuation system including:
a biased translational system coupled to the stem;
a compressed gas;
a normally-open gas discharge valve;
a normally-closed gas intake valve and
a hold down assembly coupled to the stem and defining a pressure cavity in fluid communication with the normally-open gas
discharge valve and the normally-closed gas intake valve, the pressure cavity including a piston plate within the pressure
cavity.

US Pat. No. 9,105,181

SYSTEMS AND METHODS FOR GENERATING POWER THROUGH THE FLOW OF WATER

Mueller International, LL...

1. A remote water meter monitoring system comprising:
a water meter body coupling a water supply source to a water customer;
a flow meter contained within the water meter body that is configured to measure a flow rate of water through the water meter;
a power supply system including at least one battery and a power generator,
wherein the power generator is powered by a flow of water through the water meter body; a controller communicatively coupled
to the water meter body and power supply system; and at least one antenna connected to the controller; and

the at least one antenna including:
a meter pit cover containing a through-hole;
an insert disposed in the through-hole of the meter pit cover, the insert containing an exciter loop; and
an electrically conductive plate attached to the insert, the electrically conductive plate disposed below and coupled in parallel
with the meter pit cover, wherein the electrically conductive plate conducts radio frequency signals.

US Pat. No. 9,534,694

SENSOR-ENABLED GATE VALVE

Mueller International, LL...

1. A gate valve comprising:
a body defining a valve cavity;
a stem positioned within the valve cavity;
a sensing bore defined in the stem; and
a top cover, the top cover defining an adapter bore, the adapter bore in communication with the sensing bore.

US Pat. No. 9,534,715

COUPLING GASKET WITH MULTIPLE SEALING SURFACES

Mueller International, LL...

1. An annular gasket comprising:
an annular body;
a pair of sealing ribs each extending substantially radially inwardly from the annular body and having a sealing ridge at
a radially inward end of each of the pair of sealing ribs, each sealing ridge of the pair of sealing ribs including a cylindrical
sealing surface at an innermost radial extent in an uncompressed state, each sealing ridge of the pair of sealing ribs including
an axially outer drafted edge and an axially inner drafted edge, each sealing surface extending from the axially outer drafted
edge to the axially inner drafted edge, each axially outer drafted edge extending axially outward and radially outward from
the cylindrical sealing surface at a non-zero angle from a radial direction, each axially inner drafted edge of the pair of
sealing ribs extending axially inward and radially outward from the cylindrical sealing surface at a non-zero angle from a
radial direction, each sealing rib including an axially outer surface, each axially outer drafted edge of the pair of sealing
ribs extending from the cylindrical sealing surface to the axially outer surface, each sealing rib increasing in axial thickness
from radially outside to radially inside; and

at least one center rib extending substantially radially inwardly from the annular body, the at least one center rib having
an innermost radial extent closer to the annular body than the innermost radial extent of each of the pair of sealing ribs
and having a diameter at the innermost radial extent that is larger than a diameter of the innermost radial extent of each
of the pair of sealing ribs.

US Pat. No. 9,410,838

ADJUSTABLE UNDERGROUND METER INSTALLATION

Mueller International, LL...

1. A pit liner comprising:
a tubular upper section;
a tubular lower section;
at least one pin, each pin connected to one of the upper section and the lower section, each pin projecting radially outwardly
from the one of the upper section and the lower section;

at least one notch array defined in at least one of the upper section and the lower section, each pin protruding into one
notch array, each array including an upper notch, a lower notch, and at least one intermediate notch positioned axially and
circumferentially between the upper notch and the lower notch, the lower section and the upper section sized to telescope
with each other, each pin engaging one notch array; and

a roller mounted on each pin, the roller facilitating engagement of each pin with each notch array.

US Pat. No. 9,194,516

SLIP-ON COUPLING

Mueller International, LL...

1. A method of coupling first and second pipe elements in end-to-end facing relationship comprising:
obtaining a coupling, the coupling including
at least one segment, each segment including at least one inner surface, at least one outer surface, at least two ends, and
a fastener pad protruding proximate to each end, each fastener pad defining a fastener hole, each fastener hole having an
axial length and a transverse length, wherein the transverse length is longer than the axial length, wherein the at least
one segment includes a tongue, wherein a mating surface of the tongue is angled at a non-zero angle with respect to a horizontal
axis of the segment;

an annular gasket contacting the inner surface of at least one segment, the annular gasket including at least one sealing
surface directed radially inwardly and an outer surface directed radially outwardly; and

at least one fastener disposed within at least one fastener hole, each fastener including a head portion and a shaft portion,
each shaft portion including at least one of a threaded portion, a shank portion, and a collar portion, wherein at least one
portion of the shaft portion is sized to engage at least one fastener hole;

slipping the coupling onto the first pipe element beyond the end of the first pipe element;
aligning the second pipe element in end-to-end facing relationship with the first pipe element;
slipping the coupling onto the second pipe element such that the segments of the coupling straddle the ends of the first and
second pipe elements; and

engaging each fastener to deform each segment in contact with the outer surfaces of the first and second pipe elements.

US Pat. No. 9,605,784

RESTRAINING JOINT DEVICE

Mueller International, LL...

1. A joint comprising:
a housing defining a longitudinal axis and an inside surface;
a gripping assembly comprising:
a first gripping member comprising a first protuberance extending radially inward from an inner surface of the first gripping
member,

a second gripping member comprising a second protuberance extending radially inward from an inner surface of the second gripping
member, and

an interconnecting body comprising a resilient material, the interconnecting body connecting the first gripping member to
the second gripping member, a clearance defined between the interconnecting body and the inside surface of the housing;

an annular seal positioned axially adjacent to the gripping assembly; and
a draw bar assembly engageable with the annular seal.

US Pat. No. 9,534,359

ANCHOR VALVE FOR SECURITY

Mueller International, LL...

1. A system for protecting a fluid supply from a contaminant, comprising:
an anchor check valve having an inlet end and an exit end, the anchor check valve adapted to allow fluid flow through the
anchor check valve from the inlet end to the exit end but prevent fluid flow through the anchor check valve from the exit
end to the inlet end, the inlet end and the exit end of the anchor check valve facing a horizontal direction, the exit end
including an exit end flange;

a dry-barrel fire hydrant in proximate fluid communication with the anchor check valve, the dry-barrel fire hydrant having
a valve operating mechanism; and

a hydrant shoe having an inlet end and an exit end, the inlet end of the hydrant shoe coupled to the exit end of the anchor
check valve by the exit end flange of the anchor check valve, the hydrant shoe having a valve assembly adjustably connected
to the valve operating mechanism of the dry-barrel fire hydrant, the inlet end of the hydrant shoe facing a horizontal direction,
the exit end of the hydrant shoe facing a vertical direction.

US Pat. No. 9,202,362

INFRASTRUCTURE MONITORING SYSTEM AND METHOD

Mueller International, LL...

1. An infrastructure monitoring system comprising:
an operations center;
a plurality of monitoring devices communicatively coupled to the operations center, each of the plurality of monitoring devices
comprising

at least one sensor sensing at least one condition within an infrastructure,
a data storage device storing data sensed by the at least one sensor,
a first communications device adapted to transmit and receive data, and
a first processor communicatively coupled to the at least one sensor, the data storage device, and the first communications
device; and

a plurality of control devices communicatively coupled to the operations center, each of the plurality of control devices
comprising

a second communications device adapted to receive and transmit data,
at least one output port, and
a second processor communicatively coupled to the second communications device and the at least one output port,
wherein at least one of the plurality of monitoring devices monitors a first aspect of the infrastructure including sensing
a first condition and at least one of the plurality of monitoring devices monitors a second aspect of the infrastructure including
sensing a second condition and at least one of the plurality of monitoring devices monitors a third aspect of the infrastructure
including sensing a third condition,

wherein the infrastructure monitoring system is a fluid flow monitoring system, the infrastructure monitoring system evaluates
the first sensed condition, the second sensed condition, and the third sensed condition, and determines if at least one of
the first sensed condition, the second sensed condition, and third sensed condition indicates a problem within the infrastructure,

wherein the plurality of control devices are coupled to a plurality of output devices and the plurality of output devices
are associated with a plurality of systems,

wherein the first aspect is contamination and at least two of the plurality of monitoring devices monitor the contamination,
wherein the second aspect is leakage and at least two of the plurality of monitoring devices monitor for leaks,
wherein the third aspect is pressure and at least two of the plurality of monitoring devices monitor pressure, and
wherein the operations center is configured to determine whether the first, second, or third condition respectively relating
to the first, second, or third aspects of the infrastructure detected by the plurality of monitoring devices indicates an
amount of contamination determined to be a problem within the infrastructure, an approximate source location of the contamination,
and flow direction of the contamination.

US Pat. No. 9,581,269

SLEEVE VALVE WITH SYNC CAM

Mueller International, LL...

1. A method of controlling the flow of a fluid in a pipe system comprising:
controlling a sleeve valve in the pipe system, the sleeve valve including
a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet, an outlet,
and a body cavity between the inlet and the outlet;

a sleeve disposed at least partially within the body cavity, the sleeve including at least one opening fluidly connecting
the inlet to the outlet;

a gate proximate to the sleeve, the gate including a front stop and a back stop; and
a drive assembly including a pair of drive lines, each drive line including a drive shaft, a first drive line of the pair
of drive lines including a sync cam on the drive shaft of the first drive line, the sync cam of first drive line movably positioned
between the front stop and the back stop, a first gap defined between the front stop and the sync cam, a second gap defined
between the back stop and the sync cam;

moving the sync cam to a front stop position, wherein the front stop position reduces the first gap; and
moving the gate to uncover the at least one opening to allow fluid to flow from the inlet to the outlet.

US Pat. No. 9,593,999

ENCLOSURE FOR LEAK DETECTOR

Mueller International, LL...

1. A leak detection sensor for attachment to a fire hydrant, the leak detection structure comprising:
a housing that is fixed to the fire hydrant, the fire hydrant defining an internal surface that defines a hydrant cavity,
the housing being in fluid communication with the hydrant cavity, the housing having internal surfaces defining a housing
cavity internal to the housing; and

a leak detection subassembly, the leak detection subassembly including:
at least one piezoelectric vibration sensor mounted with a fastener to an internal surface of the housing within the housing
cavity, the at least one piezoelectric vibration sensor including a base and a piezoelectric layer deposited onto the base,
the piezoelectric layer composed of piezoelectric crystals, the at least one piezoelectric vibration sensor arranged to receive
a vibration from the housing via the fastener;

at least one circuit arranged within the housing cavity and in electrical communication with the at least one piezoelectric
sensor;

an antenna in electrical communication with the at least one circuit;
and wherein the housing is rigid.

US Pat. No. 9,556,965

AIR VALVE SEAT

Mueller International, LL...

1. A method for venting air from a fluid system through an air valve comprising:
moving a float away from a seat mounted within a valve body, the valve body having an inner surface and an outer surface,
the inner surface and the outer surface defining an inlet and an outlet, the seat having an upper surface and a lower surface
defining a bore and a fastener hole extending between the upper surface and the lower surface, the upper surface facing the
outlet of the valve body and defining a first sealing ridge and a second sealing ridge between the bore and the fastener hole,
the bore defining an inner edge, the first sealing ridge defining an innermost point and a thickness diameter, the innermost
point spaced from the inner edge by a distance less than the thickness diameter, a fastener extending through the fastener
hole into the valve body; and

venting air from the fluid system through the outlet.

US Pat. No. 9,528,903

PIEZOELECTRIC VIBRATION SENSOR FOR FLUID LEAK DETECTION

Mueller International, LL...

1. A sensor comprising:
at least one piezoelectric crystal having an upper surface and a lower surface;
a base having an attachment section defining an attachment surface, a first calibration mass, a second calibration mass, and
a notch between the first calibration mass and the second calibration mass, the first calibration mass comprising a first
calibration mass thickness greater than a thickness of the attachment section of the base, and the second calibration mass
comprising a second calibration mass thickness greater than the thickness of the attachment section of the base, the base
further defining an axis therethrough;

wherein a one of the at least one piezoelectric crystal upper surface and lower surface attaches to the attachment surface
of the base; and

wherein the at least one piezoelectric crystal is positioned radially inward from the first calibration mass and the second
calibration mass relative to the axis of the base.

US Pat. No. 9,458,609

FLUSHING HYDRANT

Mueller International, LL...

1. A device for flushing a hydrant, comprising:
a stem connectable with a valve of the hydrant and positionable within an interior of the hydrant defined by a barrel and
a bonnet of the hydrant, the stem extending through the barrel and the bonnet of the hydrant;

an actuation system including a biased translational system coupled to the stem such that the stem is biased towards a closed
position; and

a manual override system including a nut coupled to an actuator, the nut including an interface portion and a body portion,
the body portion defining a cavity, a surface of the cavity coupled to the actuator, the actuator coupled to the nut such
that the actuator is vertically movable relative to the nut, the actuator freely movable relative to the stem and engageable
with the stem to manually open and close the valve, the actuator defining a bore, wherein a piston is vertically positionable
within the bore defined by the actuator, the piston coupled to the stem and uncoupled from the actuator.

US Pat. No. 10,048,159

ADJUSTABLE HYDRANT STRAP

Mueller International, LL...

1. A monitoring device for a pipe system, the monitoring device comprising:a housing defining a mounting surface and a pair of mounting receptacles on a mounting side, the housing configured to mount on an exterior surface of a pipe element of the pipe system, the housing comprising
a body,
a cover, and
at least one cover fastener securing the cover to the body;
a tamper-resistant housing fastener configured to resist unfastening without a special removal tool; and
a strap assembly, the housing fastener received within a first mounting receptacle of the pair of mounting receptacles to secure the strap assembly to the housing, the strap assembly comprising a first strap and a second strap,
the first strap comprising a first mounting end, a first adjusting end distally located from the first mounting end, and an intermediate portion therebetween, the first strap comprising a first mounting tab proximate to the first mounting end, the first strap further comprising an insert tab proximate to the first adjusting end, the housing fastener connecting the first mounting tab within the first mounting receptacle;
the second strap comprising a second mounting end, a second adjusting end distally located from the second mounting end, and a second intermediate portion therebetween, the second strap comprising a second mounting tab proximate to the second mounting end, the second mounting tab coupled to a second mounting receptacle of the pair of mounting receptacles, the second strap defining a plurality of adjustment slots proximate to the second adjusting end, each adjustment slot aligned in an axial direction of the strap assembly and sized to lockably receive a portion of the insert tab in any one of a plurality of insert positions, each insert position corresponding to a different inner diameter of the strap assembly when the housing fastener is tightened, a portion of the first strap proximate to the first adjusting end crossing a portion of the second strap proximate to the second adjusting end and a portion of the first strap positioned radially inside the second adjusting end of the second strap, the insert tab lockably coupled to the second strap when the housing fastener is tightened,
wherein the cover fastener is configured to prevent disassembly of the cover from the body without first removing the housing fastener.

US Pat. No. 9,849,322

INFRASTRUCTURE MONITORING DEVICES, SYSTEMS, AND METHODS

Mueller International, LL...

1. An infrastructure monitoring assembly comprising:
a housing comprising an exterior wall and mountable on a fire hydrant of an infrastructure system, the housing configured
to engage with threading of the fire hydrant, the exterior wall defining a hole;

an antenna cover defining a cavity and comprising a material configured to allow signals to transmit therethrough;
an antenna extending through the hole of the exterior wall of the housing and within the cavity of the antenna cover;
a communications device connected to the antenna and positioned within the housing; and
a sensor connected to the communications device and coupled to the housing, the sensor configured to sense at least one condition
of a fluid within the infrastructure system;

wherein the housing is further configured to isolate the sensor from any fluid exterior to the housing;
wherein the housing comprises an enclosure; and
wherein the housing is a nozzle cap.

US Pat. No. 9,903,496

LINING FOR MECHANICAL JOINTS

Mueller International, LL...

1. A mechanical joint comprising:
a main body having an interior surface, an exterior surface, an inlet end, and an outlet end, the interior surface defining
a fluid path of a valve configured to control flow from the inlet end to the outlet end, the interior surface defining an
inlet pipe seat proximate to the inlet end and an outlet pipe seat proximate to the outlet end, the inlet pipe seat having
an inlet pipe seat stop surface facing towards the inlet end and an outlet pipe seat stop surface facing towards the outlet
end;

a lining engaging the interior surface and covering at least a portion of the inlet pipe seat stop surface of the inlet pipe
seat and the outlet pipe seat stop surface of the outlet pipe seat, the lining comprising a central section, an inlet pipe
contact surface positioned between the central section and an inlet end of the lining, and an outlet pipe contact surface
positioned between the central section and an outlet end of the lining distal from the inlet end, the lining further comprising
an inlet side shoulder positioned between an axial center of the lining and the inlet pipe contact surface and an outlet side
shoulder positioned between an axial center of the lining and the outlet pipe contact surface, each of the inlet side shoulder
and the outlet side shoulder orthogonal to the fluid path, an inner diameter of the lining greater at a position axially outward
from the inlet side shoulder than at a position axially inward from the inlet side shoulder and an inner diameter of the lining
greater at a position axially outward from the outlet side shoulder than at a position axially inward from the outlet side
shoulder, the lining further comprising a first deflection catch surface between the inlet pipe contact surface and the inlet
end and a second deflection catch surface between the outlet pipe contact surface and the outlet end, the first deflection
catch surface extending axially from the inlet pipe contact surface and the second deflection catch surface extending axially
from the outlet pipe contact surface;

an inlet gasket proximate to the inlet end of the main body and positioned between the inlet end and the first deflection
catch surface and an outlet gasket proximate to the outlet end of the main body and positioned between the outlet end and
the second deflection catch surface;

and wherein the inlet gasket, the outlet gasket, the first deflection catch surface, and the second deflection catch surface
together are configured to

face a radially outermost exterior surface of a respective pipe element of a pair of pipe elements inserted into the mechanical
joint and extending axially outward past the lining and the mechanical joint, and

form a barrier between the main body and the respective pipe element in a radial direction with respect to an axis of the
pipe element, the barrier configured to prevent any contact between the main body and the respective pipe element.

US Pat. No. 9,664,297

MAIN VALVE WITH GROOVED RIGID INTERNAL STRUCTURE

Mueller International, LL...

1. A main valve for a hydrant comprising:
an internal rigid structure including a top surface, a bottom surface, a side surface, and a locating feature, the internal
rigid structure defining an axis and a bore extending along the axis of the internal rigid structure from the top surface
to the bottom surface, the locating feature defined in a one of the top surface and the bottom surface and located radially
outward from the bore and radially inward from the side surface, the locating feature defined by a recessed feature extending
partly inward from an axially outermost portion of the one of the top surface and the bottom surface of the internal rigid
structure, and the locating feature defining a locating feature bottom surface; and

an outer shell fully enclosing the internal rigid structure and interacting with the locating feature.

US Pat. No. 9,624,652

SYSTEM FOR CONTAMINANT ISOLATION AND FLUSHING

Mueller International, LL...

1. A method for detecting, isolating, and flushing contaminated water in a municipal water supply system utilizing a single
device, the method comprising:
receiving, by a communications subsystem, test data of water flowing through a node in the municipal water supply system;
determining whether the water is contaminated based at least in part on the test data;
sending, by the communications subsystem, a first signal to a communication facility if the water is contaminated;
isolating, by an isolation subsystem, the contaminated water by receiving, by the communications subsystem, a second signal
including instructions to shut a valve disposed at least one of upstream and downstream from the node if the water is contaminated;
and

opening a flushing valve of a flushing subsystem to divert the contaminated water out of the water supply system by activating
a flushing device with a controller, the flushing device configured to open and close the flushing valve,

wherein the single device comprises a casing, the flushing subsystem, the communications subsystem, and the isolation subsystem,
wherein the casing is coupled to the single device and houses the controller and the communications subsystem.

US Pat. No. 9,604,260

GATE VALVE WITH TRACK CLEANOUT

Mueller International, LL...

1. A gate valve comprising:
a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet, an outlet,
and a fluid path therebetween, a track defined in the inner surface, the track defining a bottom surface;

a gate having a wing;
a scraper having a flat portion extending parallel to the bottom surface of the track when the scraper is at rest and a curved
portion extending from the flat portion, the curved portion comprising a profile bending toward the bottom surface of the
track when the scraper is at rest and terminating in a leading edge, the scraper mounted to the wing of the gate; and

a biasing element, the biasing element biasing the leading edge of the scraper against the bottom surface of the track.

US Pat. No. 9,500,295

SLEEVE VALVE WITH SYNC CAM

Mueller International, LL...

1. A sleeve valve comprising:
a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet, an outlet,
and a body cavity between the inlet and the outlet;

a sleeve disposed at least partially within the body cavity, the sleeve including at least one opening fluidly connecting
the inlet to the outlet;

a gate proximate to the sleeve and movable over a portion of the sleeve including the at least one opening, the gate including
a front stop and a back stop; and

a drive assembly including a pair of drive lines, each drive line having a drive shaft, a first drive line of the pair of
drive lines including a sync cam, the sync cam of the first drive line movably positioned on the drive shaft of the first
drive line and between the front stop and the back stop.

US Pat. No. 10,203,315

SYSTEMS FOR MEASURING PROPERTIES OF WATER IN A WATER DISTRIBUTION SYSTEM

Mueller International LLC...

1. A service saddle comprising:a lower channel alignable with a bore in a water pipe;
a main port having an interior volume opened to the lower channel;
a secondary port having an interior volume opened to the lower channel;
a first valve moveably mounted in the main port for controlling water flow through the main port;
a second valve moveably mounted in the secondary port for controlling water flow through the secondary port; and
a first sensor mounted in the main port, wherein the first sensor is a water sensing assembly mounted to the main port by a port bracket, and wherein the water sensing assembly comprises an energy harvesting device moveable between a retracted position within the main port when not in use and an extended position protruding from the main port when in use, the energy harvesting device including a turbine.

US Pat. No. 9,861,848

INFRASTRUCTURE MONITORING DEVICES, SYSTEMS, AND METHODS

Mueller International, LL...

1. A leak detection assembly comprising:
a leak detection sensor;
a watertight housing enclosing the leak detection sensor and configured to isolate the leak detection sensor from any fluid
exterior to the housing;

a bracket comprising a bracket hole and configured to mount the leak detection sensor on an exterior surface of a component
of a water infrastructure system by a first flange defined by the exterior surface, the component comprising a plurality of
fasteners, the bracket secured to the component by at least one of the plurality of fasteners extending thru the first flange
and the bracket hole, each fastener configured to connect to a second flange defined by the water infrastructure system; and

a communications device configured to be mounted on the exterior surface of the component, the leak detection sensor connected
to the communications device, the communications device including an antenna, wherein the communications device is a component
of an infrastructure monitoring system.

US Pat. No. 9,740,907

SYSTEMS AND METHODS FOR A SELF-IDENTIFYING BARCODE

Mueller International, LL...

1. A method of encoding self-identifying barcode data, comprising:
receiving, by a computer system, selection criteria from a user, wherein the selection criteria comprises one or more of a
barcode version, a product code, a location, a date, a serial number, and a checksum version;

encoding, by the computer system, the self-identifying barcode data based on the selection criteria;
calculating, by the computer system, a checksum of the self-identifying barcode data based on the checksum version;
determining, by the computer system, whether the checksum is valid;
upon determining that the checksum is valid, appending, by the computer system, the checksum to the self-identifying barcode
data; and

sending, by the computer system, the self-identifying barcode data to an external device to generate a self-identifying barcode.

US Pat. No. 9,664,550

ADJUSTABLE METER WITH TAMPER DETECTION

Mueller International, LL...

1. A meter assembly comprising:
a first housing comprising a top portion, the top portion comprising a mounting boss, the mounting boss comprising an engagement
hook and protruding axially from a top surface of the top portion of the first housing;

a second housing connected to the top portion of the first housing, a bottom surface of the second housing facing the top
surface of the first housing; and

a retaining fastener connecting the second housing to the first housing and held captive between the top surface of the first
housing and the bottom surface of the second housing, the second housing adapted to rotate relative to the first housing about
a central axis of the first housing and a central axis of the second housing while the central axis of the second housing
is aligned with the central axis of the first housing and the second housing is fully assembled to the first housing.

US Pat. No. 9,565,620

DYNAMIC ROUTING IN A MESH NETWORK

Mueller International, LL...

1. A method comprising steps of:
entering, by a first node in a mesh network, an orphan mode;
broadcasting, by the first node, an orphan notice over the mesh network;
receiving, at a second node in the mesh network, the orphan notice;
adding, by the second node, information regarding the first node from the orphan notice to a neighbor list, the information
comprising a node ID of the first node specified in the orphan notice, a receive signal strength indicator (RSSI) measurement
associated with the orphan notice from the first node, and an indication that the first node is in orphan mode;

uploading, by the second node, the neighbor list to a host communicatively coupled to the mesh network; and
receiving, at the first node, an assignment of one or more parent nodes in the mesh network from the host, the assignment
of the one or more parent nodes determined based on a link score calculated for the first node and the second node from the
information regarding the first node in the uploaded neighbor list.

US Pat. No. 9,506,575

CHECK VALVE DISC

Mueller International, LL...

1. A check valve disc comprising:
a bending insert;
a disc flapper;
a flexing portion formed by the disc flapper and defining a bending insert cavity sized to receive and retain the bending
insert, wherein a height defined by a thickness of the bending insert is equal to or less than a height defined by a depth
of the bending insert cavity; and

a rigid portion including a sealing surface.

US Pat. No. 9,762,980

HIGH OUTPUT INTEGRATED UTILITY METER REPORTING SYSTEM

Mueller International, LL...

1. A meter transmission system comprising:
a main housing defining a top end and a bottom end, the main housing comprising an installation nut, the installation nut
comprising internal female threads, an outer threaded area of the main housing comporting to the female threads of the installation
nut, an upper lip area disposed at the top end, the upper lip area comprising a support shelf, the support shelf defining
a center void, the center void extending through the main housing from the top end to the bottom end of the main housing,
the center void defining a bottom opening at the bottom end;

a water proof seal covering the bottom opening, the water proof seal configured to seal the bottom opening;
an electronics board disposed within the center void, the electronics board comprising:
a battery pack;
a vertical index tab, a portion of the vertical index tab extending out from the center void through the water proof seal,
the portion of the vertical index tab electrically connected to a water meter through an electric cable; and

a connector attached to a spiral antenna;
an upper antenna assembly comprising a support disk, an antenna insulator, the spiral antenna, and an integrated antenna cover,
the support disk defining an insulator center void, the antenna insulator comprising spiral protrusions, the spiral protrusions
defining spiral voids, the spiral antenna configured to comport to the spiral voids of the antenna insulator, the integrated
antenna cover comprising a distal barrier and a medial barrier;

wherein the connector extends through the insulator center void of the support disk and is attached to the spiral antenna;
wherein the upper lip area of the main housing comprises a lateral wall and a medial wall configured to interlock with the
distal barrier and the medial barrier of the integrated antenna cover; and

wherein a top cover of a pit housing is attached to the integrated antenna cover.

US Pat. No. 9,671,254

MAGNETIC SENSING TO DETECT TAMPERING WITH A UTILITY METER

Mueller International, LL...

1. A method for detecting tampering with a meter, the method comprising the steps of:
measuring, by a removal detector in a solid-state register, a magnetic field in an x-axis, a y-axis, and a z-axis created
by a rotating magnet in the meter, the removal detector comprising a three-axis magnetometer;

determining whether the measured magnetic field is below a removal threshold in at least one of the x-axis, the y-axis, or
the z-axis, wherein the measured magnetic field being below the removal threshold indicates removing the removal detector
from the magnetic field of the rotating magnet; and

upon determining that the magnetic field is below the removal threshold, providing a register removal tamper alert.

US Pat. No. 9,624,653

SYSTEM FOR CONTAMINANT ISOLATION AND FLUSHING

Mueller International, LL...

1. A hydrant comprising:
a bonnet, the bonnet comprising a top;
an upper barrel;
at least one hose nozzle;
a valve associated with the at least one hose nozzle;
an electric motor mounted at least partially outside of the top of the bonnet and configured to open and close the valve;
a detection device configured to identify a condition, the condition comprising at least a back flow;
a diffuser coupled to the hydrant;
a battery housing mounted at least partially outside of the upper barrel; and
a controller coupled to the hydrant, the controller configured to
receive signals from the detection device,
send signals to a monitoring facility if contaminated water has been detected,
receive instructions to open the valve and the diffuser when a contaminant has been detected upstream from the hydrant to
divert the contaminated water,

activate the electric motor to open the valve when the contaminant has been detected upstream from the hydrant, and
flush the contaminated water outside of a water distribution network through the diffuser, wherein the controller is disposed
in the battery housing.

US Pat. No. 9,618,127

MEMORY STOP

Mueller International, LL...

1. A method of using a memory stop comprising:
moving a stopper of the memory stop to a memory position, the memory stop including a cover plate,
a memory bracket secured to the cover plate and defining a plurality of stopper positions, and
the stopper attached to the memory bracket;
securing the stopper to the memory bracket at the memory position, wherein the memory position is at one of the plurality
of stopper positions; and

rotating an input shaft of a gearbox connected to the memory stop, wherein the cover plate of the memory stop is connected
to the gearbox, wherein rotating the input shaft comprises:

driving a gear segment;
rotating a valve stem secured to the gear segment,
rotating an indicator plate secured to the gear segment, the indicator plate including a hub and an indicator arm; and
rotating the hub and the indicator arm of the indicator plate such that the indicator arm moves within an indicator channel
defined between a bottom surface of the memory bracket and the cover plate.

US Pat. No. 9,568,118

VALVE WITH SYNC CAM

Mueller International, LL...

1. A method of controlling the flow of a fluid in a pipe system comprising:
controlling a valve in the pipe system, the valve including
a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet, an outlet,
and a body cavity between the inlet and the outlet;

a gate movably coupled to the valve body and moveable over a portion of the valve body at least partially between the inlet
and the outlet, the gate including a cam stop; and

a drive assembly, the drive assembly including a pair of drive lines, each drive line having a drive shaft, a first drive
line of the pair of drive lines including a sync cam, the sync cam of the first drive line movably positioned on the drive
shaft of the first drive line and positioned relative to the cam stop, a first gap defined between a front flange of the sync
cam and the cam stop, a second gap defined between a back flange of the sync cam and the cam stop;

moving the sync cam in a first direction to a front stop position, wherein the front stop position reduces the first gap;
and

moving the gate in the first direction to allow fluid to flow from the inlet to the outlet.

US Pat. No. 9,562,623

POSITION INDICATOR FOR VALVES

Mueller International, LL...

1. A non-rising stem gate valve assembly, comprising:
a valve housing configured to permit flow of fluid through the valve housing;
a gate disposed within the valve housing;
a valve stem defined by an elongated rod having a first external threading and a second external threading distal from the
first external threading, the first external threading configured to engage the gate and to cause translational motion of
the gate upon rotation of the valve stem;

a position indicator, wherein the position indicator includes a monitoring element and a position couple engaging the valve,
the position couple including a collar defining a bore with internal threading threadedly engaging the second external threading
of the valve stem; and

a communication element.

US Pat. No. 9,500,307

SLIP-ON COUPLING GASKET

Mueller International, LL...

1. A pipe coupling system comprising:
a first pipe having an outermost surface;
a second pipe having an outermost surface; and
a coupling comprising:
a coupling segment; and
an annular gasket comprising:
an annular body; and
a pair of sealing ribs extending substantially radially inward from the annular body, each sealing rib increasing in axial
thickness from the annular body to a radially inward end of each sealing rib radially inside from the annular body, each sealing
rib having a sealing ridge connected to the radially inward end thereof, each sealing ridge having a sealing surface, each
sealing ridge decreasing in axial thickness from the radially inward end of each sealing rib to the sealing surface of each
sealing ridge,

wherein the sealing surface of each sealing ridge is coannular in an undeformed state, the sealing surface of each sealing
ridge having a diameter greater than a diameter of the outermost surface of the first pipe and a diameter of the outermost
surface of the second pipe,

wherein in the undeformed state the annular gasket is configured to slide over the diameters of the outermost surfaces of
the first pipe and the second pipe without contacting the outermost surfaces of the first pipe and the second pipe.

US Pat. No. 9,945,487

CHECK VALVE WITH ACCELERATED CLOSURE

Mueller International, LL...

1. A check valve, comprising:a valve body defining an inlet, an outlet and an interior cavity, the valve body further defining a port in the interior cavity that has a downstream port shoulder surface; and
a flapper assembly that is movable between an open position, providing fluid communication between the inlet and outlet, and a closed position, isolating the inlet from the outlet, the flapper assembly comprising:
a resilient body extending from a proximal hinge portion to a distal flap portion, wherein the hinge portion is configured to be fixedly mounted in the valve body, wherein the flap portion has an upstream surface and a downstream surface; and wherein portions of an upstream surface of the flap portion are configured to seal the downstream port shoulder surface of the valve body when the flap portion is in the closed position; and
a spring assembly that is configured to bias the flap portion of the resilient body towards the closed position, the spring assembly comprising:
a spring comprising a proximal mounting end that is mounted to a portion of the downstream surface of the resilient body, a distal end that is configured to slideably engage portions of the downstream surface of the flap portion, and a middle portion that extends from the proximal mounting end to the distal end, the middle portion being substantially planar when the spring is in a relaxed position; and
a backing plate that is mounted to a portion of the upstream surface of the resilient body in opposition to the proximal mounting end; the resilient body positioned between the spring and the backing plate; the spring assembly secured with a plurality of fasteners extending through the backing plate, the resilient body, and the spring; wherein the proximate mounting end and the backing plate are configured to increase the stiffness of the resilient body where the backing plate is mounted.

US Pat. No. 9,912,038

PIT LID ANTENNA AND CASING

Mueller International, LL...

1. A pit lid antenna assembly comprising:
an antenna having an upper section and a lower section, the lower section extending downwards from the upper section; and
an antenna casing having a casing wall, the casing wall having an inner surface, the inner surface defining an upper circumferential
shoulder and a first antenna slot, the upper circumferential shoulder defining a top surface and a bottom surface, the top
surface disposed opposite from the bottom surface, the first antenna slot extending vertically through the upper circumferential
shoulder from the top surface to the bottom surface, the first antenna slot sized to accept a vertical portion of the lower
section of the antenna.

US Pat. No. 9,909,687

POSITION INDICATOR FOR VALVES

Mueller International, LL...

1. A device for indicating a status of a valve comprising:
a position indicator, wherein the position indicator comprises:
a ring gear, the ring gear mechanically coupled to a valve stem of the valve, the valve stem defining a first end and a second
end, the first end disposed opposite from the second end, the first end engaging a gate comprised by the valve, the ring gear
mechanically engaging the valve stem between the first end and the second end, the ring gear disposed within a gear enclosure,
the valve stem extending through a bore defined by the gear enclosure, the gear enclosure positioned between the first end
and the second end, the valve stem including threads having a pitch;

a monitoring element, the monitoring element configured to calculate movement of the gate based upon the pitch of the threads;
and

a communication element.

US Pat. No. 9,835,592

DETERMINATION OF TUBERCULATION IN A FLUID DISTRIBUTION SYSTEM

Mueller International, LL...

1. A method, comprising:
generating, by an acoustical wave generator, an acoustical wave within a fluid path of a fluid distribution system;
sensing, at a first acoustical sensor and at a second acoustical sensor, the acoustical wave;
determining, by an acoustical signal analysis module, a sound pressure difference between the acoustical wave sensed at the
first acoustical sensor and the acoustical wave sensed at the second acoustical sensor, the sound pressure difference representing
an attenuation of the acoustical wave within a section of the fluid distribution system between the first acoustical sensor
and the second acoustical sensor; and

determining, by the acoustical signal analysis module, an amount of tuberculation within the section of the fluid distribution
system based on the attenuation of the acoustical wave.

US Pat. No. 10,070,403

TIME BEACONS

Mueller International, LL...

1. A method for time-synchronizing multiple nodes of a network concurrently comprising steps of:at a preconfigured start time, broadcasting, by a hub device, a first time beacon containing a current time value retrieved from an accurate time source;
periodically repeating, by the hub device, the broadcasting over a beacon period;
at the preconfigured start time, listening, by a first node of the network, for time beacons;
receiving, at the first node, a received time beacon broadcast by the hub device;
setting, by the first node, a real-time clock of the node to the current time value in the received time beacon;
upon setting the real-time clock of the node to the current time value, waiting, by the first node, a random time in a second delay period; and
after waiting the random time, periodically broadcasting, by the first node, time beacons containing a current time value retrieved from the real-time clock over a remainder of the beacon period.

US Pat. No. 10,051,346

DATA COMMUNICATION USING A PRIVATE PREAMBLE

Mueller International, LL...

1. A method, comprising:detecting, by a channel activity detector in a computing node having a private preamble transmission profile that includes a predefined radio frequency (RF) channel energy level and a predefined symbol sequence, whether an incoming communication is being sent on a non-frequency hopping spread spectrum (non-FHSS) channel having an RF energy level that matches the predefined RF channel energy level, wherein a symbol comprises a bit sequence corresponding to a set of radio frequencies transmitted in a predetermined sequence for a predetermined time period;
responsive to a determination by the channel activity detector that the RF energy level of the communication matches the predefined RF channel energy level, determining, by the channel activity detector, whether the communication comprises a hail message with a valid preamble by determining whether the communication contains a symbol sequence matching the predefined symbol sequence;
responsive to a determination by the channel activity detector that the communication comprises a hail message with a valid preamble, determining, by the channel activity detector, whether the hail message is intended for the computing node by receiving data contained within the hail message; and
responsive to a determination by the channel activity detector that the hail message is intended for the computing node
receiving, by the computing node, a targeted data stream intended for the computing node, and
sending, by the computing node, an acknowledgement signal to a sending node from which the hail message was received.

US Pat. No. 9,957,697

SYSTEMS AND METHODS FOR CONTROLLING FLUSHING APPARATUS AND RELATED INTERFACES

Mueller International, LL...

1. A method of maintaining water quality in a water distribution system using a flushing and sampling station, comprising:flushing the water distribution system in accordance with a residual flush program stored in a memory of the flushing and sampling station, the residual flush program configured to activate a flushing mechanism comprising a flow control valve in fluid connection to the water distribution system, activation of the flushing mechanism comprising opening and closing the flow control valve in response to a comparison between a sampled residual level value and a residual set point level according to a pre-determined hysteresis band related to a flush start signal and a flush stop signal correlated to the residual set point level;
flushing the water distribution system in accordance with a turbidity flush program stored in the memory of the flushing and sampling station, the turbidity flush program configured to activate the flushing mechanism by opening and closing the flow control valve in response to a comparison between a sampled turbidity level value and a turbidity set point level according to a pre-determined hysteresis band related to a flush start signal and a flush stop signal correlated to the turbidity set point level;
flushing the water distribution system in accordance with a pH flush program stored in the memory of the flushing and sampling station, the pH flush program configured to activate the flushing mechanism by opening and closing the flow control valve in response to a comparison between a sampled pH level value and a pH set point level according to a pre-determined hysteresis band related to a flush start signal and a flush stop signal correlated to the pH set point level; and
flushing the water distribution system in accordance with a time-based flushing program stored in the memory of the flushing and sampling station, the time-based flushing program configured to activate the flushing mechanism by opening and closing the control valve based on at least one program parameter when it is determined that the time-based flushing program is active.

US Pat. No. 9,939,069

SENSOR-ENABLED GATE VALVE

Mueller International, LL...

1. A method of sensing an aspect of a water control system, the method comprising:gaining access to the water control system through an access bore in a gate valve;
at least temporarily removing water for testing from the access bore; and
sensing an aspect of the removed water;
wherein the access bore is defined in a webbing of a body of the gate valve.

US Pat. No. 9,891,088

REAL-TIME FLOW COMPENSATION IN USAGE ACCUMULATION

Mueller International, LL...

1. A method for compensating for inaccuracies in flow measurement in a meter during accumulation of usage, the method comprising
steps of:
reading, by a microcontroller in the meter, a pulse count from a pulse counter unit indicating an amount of flow in the meter
over a measurement period;

determining, by the microcontroller, an average flow rate through the meter for the measurement period;
looking up, by the microcontroller, a correction factor associated with the average flow rate from a table stored in a memory
of the microcontroller; and

updating, by the microcontroller, a total usage accumulator in the memory with the amount of flow over the measurement period
calculated from the pulse count and the correction factor, improving the measurement accuracy of the meter based on the updated
total usage accumulator.

US Pat. No. 9,893,412

ANTENNA ATTACHMENT

Mueller International, LL...

1. An antenna attachment comprising:
an attachment body having an arcuate shape; and
at least one wire mounted on the attachment body and electric-field coupleable with a pole of an antenna,
wherein the at least one wire and the pole are concentric when the attachment body is attached to the antenna.

US Pat. No. 9,970,805

ADJUSTABLE METER WITH TAMPER DETECTION

Mueller International, LL...

1. A meter assembly comprising:a meter housing comprising a top portion and defining a rotation axis, the top portion comprising a mounting boss, the mounting boss comprising an engagement hook and protruding axially from a top surface of the top portion of the first housing;
a register housing connected to the top portion of the meter housing, a central axis of the register housing aligned with the rotation axis, the register housing configured to rotate with respect to the meter housing about the rotation axis, the register housing positioned at least partially above the top portion of the meter housing along the rotation axis when the register housing is assembled to the meter housing; and
a retaining fastener connecting the register housing to the meter housing, the retaining fastener comprising a one of a hook and a flange configured to engage the mounting boss and a one of a hook and a flange configured to engage the register housing.

US Pat. No. 9,960,833

TAMPER-RESISTANT RELAY MODULES FOR COMMUNICATION WITHIN A MESH NETWORK

Mueller International, LL...

1. A method for attaching a relay module to a fire hydrant comprising:positioning the relay module adjacent to the fire hydrant, the fire hydrant comprising a hydrant body and a bonnet coupled to the hydrant body by a plurality of fasteners, the bonnet mounted on top of the hydrant body, the relay module comprising:
a radio housing defining a top surface,
a mast connected to the radio housing and extending upwards from the top surface, and
a mounting bracket attached to the top surface, the mounting bracket engageable with the hydrant body; and
securing the relay module to the fire hydrant such that the mounting bracket and a portion of the top surface is positioned beneath the bonnet.

US Pat. No. 9,918,145

HIGH OUTPUT INTEGRATED UTILITY METER REPORTING SYSTEM

Mueller International, LL...

5. A meter transmission system comprising:
a main housing, the main housing comprising an upper lip area and an outer threaded area, the upper lip area extending radially
outward from the outer threaded area, the upper lip area defining an antenna support shelf, a first center void defined by
the main housing, the first center void extending through the antenna support shelf and the main housing, the upper lip defining
a medial wall and a lateral wall, the medial wall and the lateral wall extending upwards from the antenna support shelf, the
medial wall disposed radially inward from the lateral wall;

a support disc positioned in facing contact with the antenna support shelf, the support disc disposed radially inward from
the medial wall, the support disc defining a second center void extending through the support disc;

an antenna insulator defining a first side and a second side, the first side disposed opposite from the second side, the first
side in facing contact with the support disc, the second side defining a spiral void, the antenna insulator disposed radially
inward from the medial wall;

a spiral antenna shaped complimentary to the spiral void, the spiral antenna positioned within the spiral void of the antenna
insulator;

an integrated antenna cover positioned atop the upper lip area, the integrated antenna cover defining a medial barrier extending
downwards from the integrated antenna cover, the medial barrier positioned radially inward from the lateral wall and radially
outward from the medial wall, the spiral antenna, antenna insulator, and the support disc enclosed between the integrated
antenna cover and the upper lip area; and

a waterproof seal disposed at a bottom end of the main housing, the bottom end disposed opposite from the upper lip area,
the first center void sealed by the integrated antenna cover and the waterproof seal.

US Pat. No. 9,909,680

MECHANICAL STOP FOR ACTUATOR AND ORIFICE

Mueller International, LL...

1. A valve comprising:
a valve cover, the valve cover comprising a solenoid attachment portion defining a threaded solenoid attachment sink and a
valve cover mechanical stop, the valve cover mechanical stop protruding from an outer surface of the solenoid attachment portion;
and

a solenoid, the solenoid comprising a solenoid body, a valve cover attachment portion defining a threaded attachment portion
engagable with the threaded solenoid attachment sink, the solenoid body comprising a solenoid mechanical stop, the solenoid
mechanical stop protruding from an outer surface of the solenoid body, the solenoid mechanical stop engagable with the valve
cover mechanical stop.

US Pat. No. 9,772,250

LEAK DETECTOR AND SENSOR

Mueller International, LL...

1. A leak detection sensor comprising:
a transducer, the transducer defining a mounting hole, the mounting hole configured to be repeatable, the transducer comprising
a base, the base comprising a center,
a piezoelectric layer, the piezoelectric layer deposited on a surface of the base, and
a conductive layer, the conductive layer being an unbroken disc deposited on a surface of the piezoelectric layer; and
at least two leads connected to the transducer and to a processing device, wherein only a first lead of the at least two leads
is connected to the conductive layer,

wherein the mounting hole is in the center of the base, a center of the piezoelectric layer, and a center of the conductive
layer,

wherein the transducer is coated in a non-conductive dampening material,
wherein the leak detection sensor is a burst/tamper sensor and one of an array of sensors and is configured to be repurposed
based at least on the mounting hole, and

wherein the processing device is configured to
continuously monitor a pipe to detect an urgent event, the urgent event comprising at least one of a pipe burst and a tamper
event, and

upon detection of the urgent event, wake a subsequent sensor in the array of sensors to monitor the leak event, the subsequent
sensor configured to monitor the pipe on a wake/sleep basis.

US Pat. No. 9,752,692

CHECK VALVE WITH ACCELERATED CLOSURE

Mueller International, LL...

1. A check valve, comprising:
a valve body defining an inlet, an outlet and an interior cavity, the valve body further defining a port in the interior cavity
that has a circumferential downstream port shoulder surface; and

a flapper assembly that is movable between an open position, providing fluid communication between the inlet and outlet, and
a closed position, isolating the inlet from the outlet, the flapper assembly comprising:

a resilient body extending from a proximal hinge portion to an intermediate portion and to a distal flap portion, wherein
the hinge portion is configured to be fixedly mounted in the valve body, wherein the intermediate portion and the flap portion
have an upstream surface and a downstream surface, the downstream surface of the resilient body defining a first step at a
transition from the intermediate portion to the flap portion; and wherein portions of an upstream surface of the flap portion
are configured to seal the downstream port shoulder surface of the valve body when the flap portion is in the closed position;
and

a spring assembly that is configured to bias the flap portion of the resilient body towards the closed position, the spring
assembly comprising:

a spring comprising a proximal mounting end that is mounted to a portion of the downstream surface of the intermediate portion
of the resilient body, a distal end that is configured to slideably engage portions of the downstream surface of the flap
portion, and a middle portion that extends from the proximal mounting end to the distal end; and

a backing plate that is mounted to a portion of the upstream surface of the intermediate portion of the resilient body in
opposition to the proximal mounting end, wherein the proximate mounting end and the backing plate are configured to increase
the stiffness of the intermediate portion of the resilient body relative to the proximal hinge portion and the distal flap
portion of the resilient body.

US Pat. No. 10,200,947

ASYMMETRICAL HAIL TIMING

Mueller International, LL...

1. A method of communicating hail messages, comprising:repeatedly transmitting first hail messages from a first device at a first hailing rate, wherein a first time between beginnings of each consecutive first hail message is a first period, each first hail message transmitted for a first length of time, and a first gap extends between an end of each first hail message and a start of a next first hail message;
listening at the first device for a second hail message being repeatedly transmitted to the first device at a second hailing rate, wherein a second time between beginnings of each consecutive second hail message is a second period, each second hail message transmitted for a second length of time, and a second gap extends between an end of each second hail message and a start of a next second hail message; and
performing, at the first device, a channel activity detection of a preamble in the second hail message;
wherein the first period is greater than the second period, the first length of time is greater than the second length of time, and the first gap is greater than the second gap;
wherein the first device listens for the second hail message at a first listening rate that is less than a second listening rate of a second device;
wherein during transmission of the first hail message, the first device is in a first transmitting mode for a first transmitting percentage of the first period;
wherein during transmission of the second hail message, the second device is in a second transmitting mode for a second transmitting percentage of the second period;
wherein the second transmitting percentage is between three (3) and four (4) times larger than the first transmitting percentage.

US Pat. No. 10,180,198

FLAPPER-MOUNTED BUFFER TO CUSHION CHECK VALVE CLOSURE

Mueller International, LL...

1. A check valve for a fluid system, the check valve comprising:a valve body defining an inlet, an outlet, and an interior cavity extending from the inlet to the outlet;
a flapper positioned inside the interior cavity, the flapper movable between an open position, providing fluid communication between the inlet and outlet, and a closed position, isolating the inlet from the outlet, the flapper comprising a stiffening insert encapsulated by a resilient body, the flapper defining an upstream surface and a downstream surface, a portion of the upstream surface defined by the resilient body forming a seal within the interior cavity in the closed position;
a rod positioned at least partially inside the valve body and comprising a first end proximate to the flapper and a second end distal from the first end, the rod extending through the valve body, the rod positioned at an angle with respect to the flapper, a distance from the first end of the rod to the flapper adjustable by manipulation of the second end of the rod from outside the valve body, an axially outermost portion of the first end of the rod relative to an axis defined by the rod facing the upstream surface of the flapper; and
a buffer mounted on the flapper and configured to move with the flapper, the buffer comprising a body and a flange, the body extending through the stiffening insert and the resilient body of the flapper, the body defining a bore sized to receive the first end of the rod, the buffer configured to hold a portion of fluid of the fluid system and cushion movement of the flapper from the open position to the closed position when the flapper is proximate to the closed position, the bore configured to receive the first end of the rod as the flapper approaches the closed position.

US Pat. No. 9,976,871

SOLID-STATE REGISTER INITIATED POLL OF STATUS INFORMATION

Mueller International, LL...

1. A method for initiating an immediate read of status information in a meter device by a communication device connected to the meter device through a 3-wire automatic meter reading (“AMR”) interface consisting of a data line, a clock line, and a ground/return line, the 3-wire AMR interface configured for communications through a standard AMR cycle with the communication device acting as the master device and the meter device acting as the slave device, the method comprising the steps of:determining, by the meter device, if the 3-wire AMR interface is in an idle state;
upon determining that the 3-wire AMR interface is in an idle state, signaling, by the meter device, the communication device through the data line of the 3-wire AMR interface to initiate the standard AMR cycle for read of status information from the meter device;
waiting, by the meter device, for the communication device to initiate the standard AMR cycle through the 3-wire AMR interface; and
upon detecting the initiation of the standard AMR cycle through the 3-wire AMR interface, releasing, by the meter device, the data line.

US Pat. No. 9,939,344

DETECTING LEAKS IN A FLUID DISTRIBUTION SYSTEM

Mueller International, LL...

1. A processor-implemented method comprising the steps of:receiving, at a processor, current leak detection information comprising an acoustic waveform in a time domain from a first sensor in a fluid distribution system;
calculating, by the processor, threshold levels from a normal baseline waveform, the normal baseline waveform determined from historical acoustic data received from the first sensor;
detecting, by the processor, a transient in a portion of the acoustic waveform by determining that an amplitude of the acoustic waveform exceeds the threshold levels;
upon detecting the transient, completely removing all of the data in the portion of the acoustic waveform from the current leak detection information leaving a gap in the acoustic waveform with a first end and a second end; and
splicing, by the processor, the first and the second end of the gap in the waveform together,
wherein the current leak detection information with the transient removed is utilized by the processor to determine a probability of a leak in the fluid distribution system based on a correlation between the current leak detection information and the normal baseline waveform.

US Pat. No. 9,934,670

INFRASTRUCTURE MONITORING SYSTEM AND METHOD

Mueller International, LL...

1. An infrastructure monitoring system comprising:a first monitoring device configured to
detect and monitor at least a first condition of a first aspect of an infrastructure, and
transmit a data signal including data relating to the first condition and a first time stamp;
a second monitoring device configured to
detect and monitor the first condition of the first aspect,
detect and monitor a second condition of a second aspect of the infrastructure, and
transmit a data signal including data relating to the second condition and data relating to the first condition comprising a second time stamp;
a third monitoring device configured to
detect and monitor at least a third condition of a third aspect of the infrastructure, and
transmit a data signal including data relating to the third condition; and
an operations center communicatively coupled to each monitoring device, the operations center configured to
receive the data signal from each monitoring device,
determine whether the data included in the data signal received from any one of the monitoring devices indicates a problem of at least one of contamination and corrosion within the infrastructure,
subsequent to the determination of the indication of the problem of corrosion, determine a level of severity of the corrosion and whether the corrosion is severe enough to warrant fixing based on the level of severity of the corrosion, and
subsequent to the determination of the indication of the problem of contamination, determine an amount of the contamination, an approximate location of the contamination, a direction of contamination movement, and a speed of the contamination movement, wherein the direction and the speed of the contamination movement are based on the first time stamp from the first monitoring device and the second time stamp from the second monitoring device;
wherein the first aspect, the second aspect, and the third aspect define corrosion, contamination, and another different aspect of the infrastructure.

US Pat. No. 9,927,034

VALVE SEAT STIFFENER

Mueller International, LL...

1. A valve seat device for a valve, the device comprising:a valve seat defining a groove in a radially outward-facing surface of the valve seat, a semicircular bottom portion defined in the groove, portions of the radially outward-facing surface defined in the valve seat at opposite axial ends of the groove, the radially outward-facing surface angled with respect to a horizontal axis of the valve when the valve seat is aligned concentrically about the horizontal axis and in an undeformed condition; and
a ring-shaped seat stiffener, the seat stiffener
formed from a non-elastomeric material;
comprising a solid cross-section, the cross-section taken along an axial centerline of the valve seat device;
positioned on the radially outward-facing surface of the valve seat, an outer diameter of the radially outward-facing surface of the valve seat being greater than an inner diameter of the seat stiffener; and
positioned radially inward from a radially inward-facing surface of the valve seat;
locked in an axial direction in the groove of the valve seat, a width of the groove in an axial direction and a radial depth of the groove in a radial direction relative to the horizontal axis of the valve substantially equal to the diameter of the seat stiffener, wherein the radially outward-facing surface is angled with respect to the horizontal axis of the valve to facilitate assembly of the seat stiffener on and removal of the seat stiffener from the valve seat;
removable from the valve seat; and
configured to prevent radial expansion of the valve seat.

US Pat. No. 9,927,046

THROTTLING DEVICE

Mueller International, LL...

1. A throttling device comprising:a body having an inner surface and an outer surface, the inner surface defining a body cavity, the inner surface and the outer surface defining a plurality of body orifices in fluid communication through the body cavity;
a throttle movably positioned within the body cavity proximate to a first orifice of the plurality of body orifices, the throttle movable to a closed position closing the first orifice and to an open position opening a fluid pathway between the first orifice and the body cavity; and
a biasing element biasing the throttle to a partially-open position between the closed position and the open position, the biasing element comprising:
a first spring, the first spring engaging a first side of the throttle and biasing the throttle towards the closed position; and
a second spring, the second spring engaging a second side of the throttle and biasing the throttle towards the open position, the first spring and the second spring together biasing the throttle to a partially-open position.

US Pat. No. 9,890,521

PIT ASSEMBLY WITH REMOVABLE CARTRIDGE

Mueller International, LL...

1. A pit assembly comprising:
a pit liner defining an inner surface and an outer surface, the inner surface defining an interior of the pit liner, the inner
surface and the outer surface further defining a pit opening proximate to an upper portion of the pit liner;

a pit connector positioned in the interior of the pit liner;
a removable cartridge positionable within the interior of the pit liner, the removable cartridge comprising:
a chassis,
a cartridge connector mounted to the chassis and configured to operatively couple in fluid communication to the pit connector,
and

a piping system in fluid communication with the cartridge connector and mounted to the chassis; and
a locking mechanism selectively movable about and between a locked position and an unlocked position, wherein the locked position
of the locking mechanism is configured to securely couple the pit connector to the cartridge connector, and wherein the unlocked
position of the locking mechanism is configured to release the pit connector from the cartridge connector.

US Pat. No. 9,799,204

INFRASTRUCTURE MONITORING SYSTEM AND METHOD AND PARTICULARLY AS RELATED TO FIRE HYDRANTS AND WATER DISTRIBUTION

Mueller International, LL...

1. An infrastructure monitoring system comprising:
an operations center;
a monitoring device coupled to a component of an infrastructure, the monitoring device comprising a plurality of sensors,
each sensor sensing at least one condition within the infrastructure, a data storage device storing data sensed by each sensor,
a transceiver device adapted to transmit and receive data, and a processor communicatively coupled to each sensor, the data
storage device, and the transceiver device, the processor configured to:

receive the data sensed by each sensor,
determine, based on the data sensed by each sensor, whether there is a problem with the at least one condition within the
infrastructure that each sensor sensed,

upon determining that there is a problem with the at least one condition within the infrastructure that each sensor sensed,
transmitting a message to the operations center via the transceiver device, and

periodically compile sensing data stored in the data storage device and transmit the compiled sensing data to the operations
center via the transceiver device, wherein at least two sensors of the plurality of sensors are configured to sense a first
condition and at least one sensor of the plurality of sensors is configured to sense a second condition; and

a control device communicatively coupled to at least one of the operations center and the monitoring device, the control device
configured to operate a plurality of output devices when signaled by at least one of the operations center and the monitoring
device, wherein the control device is positioned within a fire hydrant,

wherein at least one sensor of the plurality of sensors is configured to determine a status of at least one of the plurality
of output devices,

wherein at least one of the plurality of output devices is a Radio-Frequency Identification (RFID) device, the RFID device
configured to broadcast at least one of manufacturer information, location information, a last service date, device information,
and a current status, and

wherein at least one of the plurality of output devices is an alarm, the alarm comprising at least one of a visual alarm,
an audible alarm, and a tactile alarm.

US Pat. No. 10,560,968

BROADCAST MESSAGING

Mueller International, LL...

1. A method of avoiding response signal collisions, comprising the steps of:broadcasting a message from a broadcasting device to a plurality of downstream devices, the message containing response window information dictating whether each downstream device targeted in the message must respond to the message, and if so, when each targeted downstream device should send its response to the message after successfully receiving the message;
receiving a response from at least one downstream device in the plurality of downstream devices that was commanded to respond and that successfully received the message, each such downstream device comprising a responding device, wherein each responding device sends its response when performing an upload of data collected by the responding device; and
determining whether every targeted downstream device successfully received the message,
wherein, for required responses, the response window information is selected from at least one of the group comprising an instruction that each responding device commence its upload at a predefined recurring time, an instruction that each responding device perform its upload immediately following expiration of a predefined delay period commencing at a time of sending of the message, and an instruction that each responding device pick a random time within a predefined time window in which to perform its upload,
wherein the broadcasting device receives the message from a server, and wherein the server has a memory containing a first list, the first list reciting identifications of all downstream devices from which a response to the message is expected, and containing a second list, the second list reciting identifications of all responding devices, and wherein the step of determining whether every downstream device targeted in the message successfully received the message further comprises the steps of
comparing the first list to the second list,
ascertaining whether the server failed to receive a response to the message from any downstream device identified in the first list, and
re-broadcasting the message to each downstream device from which the server failed to receive a response,
wherein the step of determining whether every downstream device targeted in the message successfully received the message further comprises the steps of:
receiving, from each downstream device successfully receiving a re-broadcast message, each such device comprising a re-broadcast responding device, a response when each re-broadcast responding device performs an upload of data collected by each re-broadcast responding device, a time of each upload dictated by the response window information,
producing an updated second list by adding, to the second list, identifications of each re-broadcast responding device,
comparing the first list to the updated second list,
ascertaining whether the server failed to receive a response to the re-broadcast message from any downstream device identified in the first list,
determining whether a pre-defined limit on a number of broadcasts has been reached, and
responsive to determining that the pre-defined limit on the number of broadcasts has not been reached, again re-broadcasting the message to all downstream devices from which the server has still failed to receive a response.

US Pat. No. 10,548,104

TIME BEACONS

Mueller International, LL...

1. A method for time-synchronizing multiple nodes of a network concurrently comprising steps of:determining, by a hub device, a plurality of beacon channels over which to broadcast time beacons,
at a preconfigured start time, broadcasting, by a hub device, a first time beacon containing a current time value retrieved from an accurate time source on one of the plurality of beacon channels;
periodically repeating, by the hub device, the broadcasting of the first time beacon on alternating beacon channels of the plurality of beacon channels over a beacon period;
at the preconfigured start time, listening, by a first node of the network, on the plurality of beacon channels for time beacons;
receiving, at the first node, a received time beacon broadcast by the hub device; and
setting, by the first node, a real-time clock of the node to the current time value in the received time beacon.

US Pat. No. 10,190,697

STUFFING BOX LUG

Mueller International, LL...

1. A valve assembly comprising: a valve body; a gate inside the valve body, the gate configured to control fluid flow; a stem configured to move the gate; a stem actuator connected to the stem, the stem actuator configured to rotate the stem; and a stuffing box attached to the valve body configured to form a seal around the stem, the stuffing box comprising a stuffing box body and a lifting lug extending from the stuffing box body, the lifting lug fixed in position relative to the valve body, and wherein the lifting lug defines a lifting bore defining a closed shaped profile configured to lift the valve assembly; wherein the stem actuator is positioned above the lifting lug.

US Pat. No. 10,180,414

SYSTEMS FOR MEASURING PROPERTIES OF WATER IN A WATER DISTRIBUTION SYSTEM

Mueller International, LL...

1. An analysis system comprising:a plurality of water sensing assemblies connected at various points to a water distribution system, each of the plurality of water sensing assemblies comprising
a valve box configured to be mounted by a saddle to a top surface of a pipe of the water distribution system,
an adjustable top connected to the valve box and configured to telescopically adjust to vary an overall height based on a depth of the pipe of the water distribution system,
a communication assembly mounted on a cap, the cap mounted on the adjustable top,
an antenna communicatively coupled to the communication assembly,
at least one sensor communicatively coupled to the communication assembly and configured to measure a property of water,
a generator coupled to at least one sensor, and
a turbine coupled to the generator and positionable through a bore in the pipe of the water distribution system;
a computer server configured to communicate with the plurality of water sensing assemblies via a network and receive water measurement data from the communication assembly of each of the plurality of water sensing assemblies, the computer server comprising
a processor,
a database configured to store the water measurement data, and
a system health monitoring module configured to evaluate health of the water distribution system to obtain health data; and
at least one client device configured to communicate with the computer server via the network and receive the health data from the computer server.

US Pat. No. 10,174,856

MAIN VALVE WITH GROOVED RIGID INTERNAL STRUCTURE

Mueller International, LL...

1. A method of manufacturing a main valve of a hydrant comprising:forming an internal rigid structure including a top surface, a bottom surface, a side surface, and a locating feature, the locating feature defined in a one of the top surface and the bottom surface;
positioning the internal rigid structure in a mold by contacting the locating feature with the mold; and
forming an outer shell around the internal rigid structure.

US Pat. No. 10,178,617

HAIL AND ACCEPTANCE FOR BATTERY-POWERED DEVICES

Mueller International, LL...

1. A method of performing a hail communication attempt, comprising the steps of:checking capacitor voltage across a capacitor in a battery pack powering a hailing device to determine whether the capacitor voltage equals or exceeds a threshold voltage; and
responsive to determining that the capacitor voltage equals or exceeds the threshold voltage
transmitting a hail message to a target device,
determining whether the hailing device has received a pong message from the target device, and
responsive to determining that the hailing device has received a pong message from the target device, terminating the hail communication attempt in preparation for sending data to the target device.

US Pat. No. 10,167,979

THROTTLING DEVICE

Mueller International, LL...

1. An air removal assembly comprising:an air valve mountable on a fluid system; and
a throttling device in fluid communication with the air valve, the throttle device further in fluid communication with the fluid system through the air valve when the air valve is mounted on the fluid system, the throttling device including:
a body having an inner surface and an outer surface, the inner surface defining a body cavity, the inner surface and the outer surface defining a plurality of body orifices in fluid communication through the body cavity;
a throttle movably positioned within the body cavity proximate to a first orifice of the plurality of body orifices, the throttle movable to a closed position closing the first orifice and to an open position opening a fluid pathway between the first orifice and the body cavity; and
a biasing element biasing the throttle to a partially-open position between the closed position and the open position; wherein the partially-open position is when the biasing element is at rest.

US Pat. No. 10,101,311

SYSTEMS FOR MEASURING PROPERTIES OF WATER IN A WATER DISTRIBUTION SYSTEM

Mueller International, LL...

1. An analysis system comprising:a plurality of water sensing assemblies connected at various points to a water distribution system, each of the plurality of water sensing assemblies comprising
a valve box configured to be mounted by a saddle to a top surface of a pipe of the water distribution system,
an adjustable top connected to the valve box and configured to telescopically adjust to vary an overall height based on a depth of the pipe of the water distribution system,
a communication assembly mounted on a cap, the cap mounted on the adjustable top,
an antenna communicatively coupled to the communication assembly,
at least one sensor communicatively coupled to the communication assembly and configured to measure a property of water,
a generator coupled to at least one sensor, and
a turbine coupled to the generator and positionable through a bore in the pipe of the water distribution system;
a computer server configured to communicate with the plurality of water sensing assemblies via a network and receive water measurement data from the communication assembly of each of the plurality of water sensing assemblies, the computer server comprising
a processor,
a database configured to store the water measurement data, and
a system health monitoring module configured to evaluate health of the water distribution system to obtain health data; and
at least one client device configured to communicate with the computer server via the network and receive the health data from the computer server.

US Pat. No. 10,094,706

MODE ACTIVATION USING LIGHT DETECTION

Mueller International, LL...

1. A method for activating one or more operating modes of a register in a meter, the method comprising steps of:operating the register in a first mode;
detecting, by a microcontroller in the register, a first lighting condition comprising a plurality of transitions from light to dark or dark to light within a first detection period;
upon detecting the first lighting condition, operating the register in a second mode;
detecting, by the microcontroller, a second lighting condition comprising a plurality of transitions from light to dark or dark to light within a second detection period;
upon detecting the second lighting condition, operating the register in a third mode;
detecting, by the microcontroller, a third lighting condition comprising a plurality of transitions from light to dark or dark to light within a third detection period; and
upon detecting the third lighting condition, operating the register in the second mode.

US Pat. No. 10,067,092

NOISEMAKER FOR PIPE SYSTEMS

Mueller International, LL...

1. A noisemaker system comprising:a node of an infrastructure system; and
a noisemaker connected in fluid communication with the node, the noisemaker comprising:
a noisemaker housing defining a noisemaker cavity, and
a pulsing device positioned within the noisemaker cavity, the pulsing device configured to contact a fluid within the noisemaker cavity and generate an acoustic signal within the fluid,
wherein the noisemaker housing is a piston housing and the noisemaker cavity is a piston cavity, and
wherein the pulsing device is a piston comprising a piston rod having a first end and a second end, wherein the first end of the piston rod is positioned exterior to the piston cavity, and wherein the second end of the piston rod is connected to a piston positioned within the piston cavity.

US Pat. No. 10,039,018

SYSTEMS AND METHODS FOR RECOVERING AN OUT-OF-SERVICE NODE IN A HIERARCHICAL NETWORK

Mueller International, LL...

1. A wireless communication network comprising:a plurality of nodes, each node being configured in wireless communication with at least one other node, and at least one of the plurality of nodes being configured in wireless communication with a utility provider;
wherein the utility provider and the plurality of nodes are arranged in a hierarchy with the utility provider being highest in the hierarchy, the plurality of nodes being arranged such that two nodes in direct wireless communication with each other include a parent node and a child node, the parent node being higher in the hierarchy with respect to the child node; and
wherein, when a first node of the plurality of nodes is determined to be out-of-service, the plurality of nodes are configured to perform a recovery procedure to restore the first node to operation, the recovery procedure including
transmitting a hailing message on a plurality of hailing channels from a second node to the first node, the first node being in a sniffing mode,
transmitting a time synchronization signal from the second node to the first node, the second node being in direct wireless communication with the first node, and
determining, by the first node, whether the time synchronization signal causes a time shift greater than a predefined threshold,
wherein the first node is configured to perform a super sniffing mode for a predetermined time period, responsive to determining that the time synchronization signal causes a time shift greater than the predefined threshold, the super sniffing mode comprising searching the plurality of hailing channels in a sequential mode for a hailing signal until the hailing signal is discovered from the parent node,
wherein no waiting period exists between each search of the plurality of hailing channels in the sequential mode.

US Pat. No. 10,509,012

SOUND PROPAGATION COMPARISON WITH AUTOMATED FREQUENCY SELECTION FOR PIPE CONDITION ASSESSMENT

Mueller International, LL...

1. A method for receiving and analyzing data for condition assessment within a fluid distribution system, comprising:receiving pipe segment criteria for a pipe segment, the pipe segment comprising a length of a pipe between a first computing node and a second computing node;
determining a predicted parameter based on the received pipe segment criteria for the pipe segment;
utilizing the predicted parameter to measure an actual speed of sound for the pipe segment between the first computing node and the second computing node; and
comparing the actual speed of sound and a theoretical speed of sound to calculate a predicted pipe degradation for the pipe segment.

US Pat. No. 10,465,833

PIPELINE PLUG

Mueller International, LL...

1. A plug for a pipeline, the plug comprising:a top portion defining a top bore, the top bore defining a top diameter;
a bottom portion defining a bottom bore, the bottom bore defining a bottom diameter;
a web portion joining the top portion and the bottom portion; the top portion, the bottom portion, and the web portion defining a main bore, the main bore defining a longitudinal axis of the plug and defining a circular shape around the longitudinal axis of the plug; the top portion, the bottom portion, and the web portion further defining a substantially circular shape around a transverse axis of the plug that extends through the top portion and the bottom portion and is perpendicular to the longitudinal axis;
an inner surface defined by the top portion, the bottom portion, and the web portion; the inner surface defining an inner diameter of the plug; and
an outer surface defined by the top portion, the bottom portion, and the web portion; the outer surface defining an outer diameter of the plug;
wherein
the inner surface defines a circular shape;
the outer surface of the top portion defines a first semicircular shape in cross-section when viewing the plug from along the longitudinal axis;
the outer surface of the bottom portion defines a second semicircular shape in cross-section when viewing the plug from along the longitudinal axis;
the inner diameter of the plug defines an inner diameter of each of the first semicircular shape and the second semicircular shape; and
the outer diameter of the plug defines an outer diameter of each of the first semicircular shape and the second semicircular shape.

US Pat. No. 10,305,178

NOZZLE CAP MULTI-BAND ANTENNA ASSEMBLY

Mueller International, LL...

1. A nozzle cap assembly comprising:a nozzle cap housing configured to mount on a hydrant, the nozzle cap housing defining an upper rim and a lower rim, the upper rim disposed opposite from the lower rim, the nozzle cap housing defining an antenna mounting portion extending from the upper rim to the lower rim;
a nozzle cap cover mounted on the nozzle cap housing at the upper rim;
an antenna cover positioned on the nozzle cap housing and secured between the upper rim and the lower rim, the nozzle cap housing, the antenna cover, and the nozzle cap cover defining an antenna cover cavity; and
an antenna assembly positioned in the antenna cover cavity, the antenna assembly extending around the antenna mounting portion, the antenna assembly disposed between the lower rim and the upper rim; and
wherein the nozzle cap housing defines internal threading configured to engage a nozzle of the hydrant to secure the nozzle cap housing to the hydrant; and
wherein the antenna cover fits over and covers the antenna mounting portion and the antenna assembly, the antenna assembly positioned between the antenna mounting portion and the antenna cover.

US Pat. No. 10,288,461

PIEZOELECTRIC CABLE FLOW SENSOR

Mueller International, LL...

1. A flow sensor for a pipe, comprising:an external member defining an elongated interior void,
a cylindrical housing defining an interior chamber, a distal end, and an open proximal end, wherein the distal end of the housing extends within the external member;
a mounting adapter circumferentially coupled to the open proximal end of the housing; and
a piezoelectric cable comprising:
an inner conductive layer,
a piezoelectric material layer at least partially circumferentially surrounding and contacting the inner conductive layer,
an outer conductive layer at least partially circumferentially surrounding and contacting the piezoelectric material layer,
a nonconductive jacket circumferentially surrounding and contacting the outer conductive layer,
wherein:
a distal portion of the piezoelectric cable extends within the interior chamber of the housing,
the flow sensor is configured to maintain a constant resonance frequency between about 25 Hz and about 40 Hz regardless of a flow rate of fluid through the pipe,
the flow sensor is configured to output a band-limiting decibel level in a frequency range coinciding with a beam natural frequency of the flow sensor, and
the decibel level is proportional to the flow rate.

US Pat. No. 10,276,939

THROUGH-THE-LID PIT ANTENNA

Mueller International, LL...

1. A pit antenna assembly comprising:a node, the node comprising an antenna, the antenna configured to radiate radio waves;
an inner tube defining a first inner tube end and a second inner tube end, the first inner tube end disposed opposite from the second inner tube end, the inner tube defining an inner tube bore extending through the inner tube from the first inner tube end to the second inner tube end, the antenna received within the inner tube bore through the first inner tube end, the inner tube configured to electromagnetically couple energy from the antenna; and
a top disc, the top disc connected to the second inner tube end of the inner tube, the top disc configured to radiate the energy from the antenna.

US Pat. No. 10,262,518

METHOD OF DISSEMINATING MONITORING INFORMATION RELATING TO CONTAMINATION AND CORROSION WITHIN AN INFRASTRUCTURE

Mueller International LLC...

1. A method of disseminating information, the method comprising:detecting, by a first monitoring device, a first condition of a first aspect of an infrastructure and transmitting a data signal to an operations center, the data signal including data relating to the first condition and a first time stamp;
detecting, by a second monitoring device, the first condition of the first aspect and a second condition of a second aspect of the infrastructure, and transmitting a data signal to the operations center, the data signal including data relating to the second condition and data relating to the first condition, and the data signal comprising a second time stamp;
determining, by the operations center, whether the data included in the data signal received from either of the monitoring devices indicates a problem of contamination within the infrastructure;
subsequent to an indication of the problem of contamination, determining, by the operations center, an amount of the contamination, an approximate location of the contamination, a direction of contamination movement, and a speed of the contamination movement, wherein the direction and the speed of the contamination movement are based on the first time stamp from the first monitoring device and the second time stamp from the second monitoring device;
determining, by the operations center, whether the data included within the data signal received from either of the monitoring devices indicates a problem of corrosion within the infrastructure; and
subsequent to an indication of the problem of corrosion, determining by the operations center an amount of corrosion determined to be the problem within the infrastructure and a level of severity of the corrosion;
wherein the first aspect and the second aspect define different aspects of the infrastructure.

US Pat. No. 10,175,135

LEAK DETECTOR

Mueller International, LL...

1. A leak detector comprising:a sensor assembly including at least one sensor configured to sense acoustic signals; and
at least one printed circuit board coupled to the sensor assembly and configured to support a processing device, the processing device comprising at least a processor, a storage module, the processor comprising at least a microcontroller unit (MCU) and a digital signal processor (DSP), the storage module comprising a database configured to store the acoustic signals from the sensor assembly;
wherein the MCU is configured to
continually receive the acoustic signals from the sensor assembly,
wake the DSP at predetermined times based on a sensing schedule, and
wake the DSP during a detected event, the detected event comprising at least one selected from the group of a large leak and a burst in a pipe;
wherein the DSP is configured to remain in a sleep mode except when the MCU wakes the DSP from the sleep mode;
wherein the processing device is configured to derive a probability that an event exists by comparing new acoustic signals to stored acoustic signals, the event comprising at least one selected from the group of a large leak and a burst in a pipe, wherein the stored acoustic signals comprise live data collected on a pipe network; and
wherein the processing device is further configured to provide a probability indication, the probability indication expressed as a percentage of a likelihood that the event exists.

US Pat. No. 10,174,486

PIT EXTENSION

Mueller International, LL...

1. A pit extension comprising:an extension body, the extension body defining an extension bottom end and an extension top end, the extension body defining an extension inner surface and an extension outer surface, the extension inner surface defining an extension bore extending from the extension bottom end to the extension top end; and
a plurality of legs, each leg of the plurality of legs comprising an attached portion and an extended portion, the attached portion of each leg attached to the extension bottom end of the extension body, the extended portion of each leg extending downward from the extension bottom end, the extended portion of each leg configured to attach to a top end of a pit liner; and
wherein a first leg of the plurality of legs is attached to the extension outer surface of the extension body, and a plurality of teeth are disposed on an inward-facing surface of the first leg.

US Pat. No. 10,167,616

METHOD OF COUPLING A PIT EXTENSION TO A PIT LINER OF A PIT VAULT

Mueller International, LL...

1. A method of coupling a pit extension to a pit liner of a pit vault comprising:aligning an extension bottom end of the pit extension with a liner top end of the pit liner in an end-to-end facing relationship, the pit liner defining a liner inner surface and a liner outer surface;
bringing a leg of the pit extension into engagement with the pit liner proximate to the liner top end, wherein bringing the leg of the pit extension into engagement with the pit liner comprises engaging a tooth defined on the leg with the liner outer surface;
plastically deforming the tooth; and
attaching the leg to the pit liner.

US Pat. No. 10,097,411

NODE MIGRATION

Mueller International, LL...

1. A method, comprising:periodically sending an Advanced Meter Reading (AMR) beacon from a node at a first regular time interval, the AMR beacon containing a register identification (ID) and a reading detected by the node;
periodically listening, at the node, for a communication such that instances of listening occur at a second regular time interval smaller than the first regular time interval; and
receiving the communication at the node;
wherein the communication is a repeating pattern of hail messages, and wherein each hail message has a hail duration smaller than the second regular time interval.

US Pat. No. 10,531,244

SMS COMMUNICATION FOR CELLULAR NODE

Mueller International, LL...

1. A point-to-point communication system for a utility infrastructure system comprising:a host configured to aggregate and collect utility data; and
a plurality of battery-powered nodes in communication with the host, each node in the plurality of battery-powered nodes connected to a utility device of the utility infrastructure system, each node configured to:
initiate a first communication message to the host via a short message service (SMS), wherein the first communication message includes the utility data,
receive a SMS reply from the host,
determine whether the SMS reply from the host includes an internet protocol (IP) address for communicating with the host over an IP network, and
responsive to determining that the SMS reply from the host includes the IP address, establish a connection with the host over the IP network utilizing the IP address;
wherein, prior to communication with the host, the plurality of battery-powered nodes requires no preconfiguration with network and security credentials.

US Pat. No. 10,494,837

UNIVERSAL RAIL FOR UTILITY PIT

Mueller International, LL...

1. A pit assembly comprising:a pit wall defining an inner surface, an outer surface, an upper end defining a pit opening, and a lower end, the inner surface defining an interior cavity;
a first rail secured to the inner surface of the pit wall, the first rail comprising:
a top end defining a top surface, a bottom end distal from the top end and defining a bottom surface, a first side end, a second side end distal from the first side end, an outer face defining a curved radially outer surface extending from the top end to the bottom end and mounted on the inner surface of the pit wall, and an inner face distal from the outer face and defining a radially inner surface;
a center-lock strike portion proximate to the first side end; and
a side-lock strike portion distal from the first side end, a one of the center-lock strike portion and the side-lock strike portion defining a strike notch in the bottom end, a central wall of the strike notch offset from a one of a radially innermost portion of the radially inner surface and the bottom surface of the first rail;
a lid defining an upper surface and a lower surface and comprising a locking mechanism, the locking mechanism coupled to the lower surface and configured to engage a one of the center-lock strike portion and the side-lock strike portion of each of the plurality of rails; and
a second rail secured to the inner surface of the pit wall at a position opposite the first rail.

US Pat. No. 10,480,660

POSITIVE HUB SEAL

Mueller International, LL...

1. A valve comprising:a valve body defining a shaft bore therethrough, an axis of the shaft bore defining a vertical axis;
a valve shaft positioned within and configured to rotate within the valve body;
a valve disc coupled to the valve shaft and positioned within the valve body, the valve disc configured to rotate within the valve body between an open position and a closed position, the valve disc defining an axial end; and
a valve seat positioned within the valve body, the valve seat comprising an outer surface in contact with the valve body and an inner surface in contact with the valve disc, the inner surface of the valve seat defining a sealing ridge extending radially inward with respect to the vertical axis, the sealing ridge having an annular shape about the valve shaft, the sealing ridge concentric with the valve shaft, the axial end of the valve disc defining a surface facing the inner surface of the valve seat and in contact with the inner surface of the valve seat,
each of an entirety of the surface of the valve disc and an entirety of the inner surface of the valve seat that is in contact with the surface of the valve disc except for the sealing ridge being perpendicular to the vertical axis of the valve body.

US Pat. No. 10,422,461

SLEEVE ACTUATED WIDE-RANGE COUPLING

Mueller International, LL...

1. A wide-range coupling comprising:a body, the body defining a first body end and a second body end, a body bore defined extending through the body from the first body end to the second body end, the body bore defining an axis;
a gasket positioned within the body bore;
a sleeve positioned at least partially within the body bore proximate to the first body end; and
a sleeve actuator attached to the body, the sleeve actuator mechanically engaging the sleeve, the sleeve actuator configured to axially translate the sleeve relative to the axis of the body bore about and between a disengaged position and an engaged position; and
wherein:
the gasket defines a radially inner lip relative to the axis of the body bore;
the radially inner lip is positioned radially inward from the sleeve relative to the axis of the body bore when the sleeve is in the engaged position; and
the radially inner lip is positioned radially outward from the sleeve relative to the axis of the body bore when the sleeve is in the disengaged position.

US Pat. No. 10,378,656

VALVE WITH ACTIVE SEAL AND SHAFT BLOWOUT PREVENTION DEVICE

Mueller International, LL...

1. A valve comprising:a valve body defining a shaft bore therethrough, the shaft bore defining an axis extending through the valve body;
a valve shaft positioned within and configured to rotate within the shaft bore of the valve body, the valve shaft comprising a first section and a second section, the first section proximate to a top end of the valve shaft and defining a minor shaft diameter and the second section distal from the top end of the valve shaft and defining a major shaft diameter, the major shaft diameter of the valve shaft being greater than the minor shaft diameter of the valve shaft, the valve shaft comprising a shaft shoulder defining a shaft shoulder surface facing upward, the shaft shoulder positioned at an intersection between the first section and the second section of the valve shaft, the shaft shoulder surface extending from the first section to the second section;
a top cap secured to the valve body, the top cap defining an upper surface and a lower surface distal from the upper surface, the top cap further defining a bore extending from the upper surface to the lower surface, the bore defining a major bore and a minor bore, each of the major bore and the minor bore being cylindrical, the major bore intersecting the lower surface and defining a major bore diameter, the minor bore intersecting the upper surface and defining a minor bore diameter, the major bore diameter being greater than the minor bore diameter, the top cap comprising a bore shoulder extending from the minor bore to the major bore and defining a bore shoulder surface facing downward, the bore shoulder surface facing the shaft shoulder surface, the major shaft diameter of the valve shaft greater than the minor bore diameter of the minor bore of the top cap but less than the major bore diameter of the major bore of the top cap, movement of the second section of the valve shaft through the minor bore of the top cap stopped by the shaft shoulder surface; and
a seal positioned between the top cap and the valve body, the seal configured to seal against leakage from between the valve body and the valve shaft.

US Pat. No. 10,209,225

SOUND PROPAGATION COMPARISON WITH AUTOMATED FREQUENCY SELECTION FOR PIPE CONDITION ASSESSMENT

Mueller International, LL...

1. A method for receiving and analyzing data for condition assessment within a fluid distribution system, comprising:receiving pipe segment criteria for a pipe segment, the pipe segment comprising a length of a pipe between a first computing node and a second computing node;
determining a prediction of frequency content based on the pipe segment criteria;
measuring an actual speed of sound for the pipe segment between the first computing node and the second computing node; and
comparing the actual speed of sound and a theoretical speed of sound to calculate a predicted pipe degradation for the pipe segment.

US Pat. No. 10,100,935

AIR VALVE SEAT AND LAND

Mueller International, LL...

1. An air valve comprising:a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet and an outlet;
a sealing device mounted within the valve body, the sealing device including a first contacting portion and a second contacting portion; and
a float moveable within the valve body, the float having a first sealing position and a second sealing position;
wherein a first material forming the first contacting portion has a material hardness of less than or equal to about 20 on the Shore A scale; and
wherein a second material forming the second contacting portion has a material hardness of less than or equal to about 70 on the Shore A scale.

US Pat. No. 10,539,480

FREQUENCY SUB-BAND LEAK DETECTION

Mueller International, LL...

1. A method for analyzing data for a distribution pipe network within a fluid distribution system, comprising:receiving acoustic data from a plurality of nodes for a plurality of pipe segments;
determining a characteristic frequency range for each pipe segment;
decomposing the characteristic frequency range into a plurality of frequency sub-bands;
building a leak sensitivity model based on the plurality of frequency sub-bands; and
implementing a correlation schedule with the plurality of nodes based on a selection of the plurality of frequency sub-bands.

US Pat. No. 10,502,339

BALL VALVE WITH VISUAL STEM-CAP ENGAGEMENT

Mueller International, LL...

1. A valve comprising:a valve body defining a first end, a second end, an interior surface, and an exterior surface, the first end defining a first opening and the second end defining a second opening, the interior surface defining a main bore extending from the first opening to the second opening, the main bore defining a fluid path from the first opening to the second opening, the valve body comprising a stem portion defining a stem bore intersecting the main bore;
a valve sealing element positioned inside the valve body;
a stem positioned inside the stem bore of the valve body, the stem comprising a first end and a second end, the first end of the stem engaged with the valve sealing element; and
a cap comprising
a mounting end defining a stem engagement cavity;
an actuating end distal from the mounting end, the cap defining a window in a position between the mounting end and the actuating end, the window exposing a surface of the stem, the window being a first window, the cap further defining a second window, each of the first window and the second window exposing a surface of the stem distal from the first end of the stem; and
a rotation tab defining a first side surface and a second side surface and a top surface, the first window extending from the first side surface to the second side surface of the rotation tab, the second window extending from the top surface of the rotation tab and intersecting the first window, the rotation tab further defining an engagement hole; and
a locking tab.

US Pat. No. 10,502,342

ROD-MOUNTED BUFFER TO CUSHION CHECK VALVE CLOSURE

Mueller International, LL...

1. A check valve for a fluid system, the check valve comprising:a valve body defining an inlet, an outlet, and an interior cavity extending from the inlet to the outlet, the valve body comprising an access port;
a flapper positioned inside the interior cavity, the flapper movable between an open position, providing fluid communication between the inlet and outlet, and a closed position, isolating the inlet from the outlet;
a rod secured to the access port of the valve body, the rod positioned at least partially inside the valve body and comprising a first end proximate to the flapper and a second end distal from the first end, the rod positioned at an angle with respect to the flapper, an axially outermost portion of the first end of the rod relative to an axis defined by the rod facing an upstream surface of the flapper and defining an inner chamber; and
a buffer mounted on the first end of the rod, a body of the buffer received within the inner chamber rod, the buffer further defining a one of an entrance bore in the body of the buffer and a clearance gap between the body of the buffer and the rod, the buffer configured to hold a portion of fluid in the fluid system and cushion movement of the flapper from the open position to the closed position when the flapper is proximate to the closed position, the inner chamber in fluid communication with the interior cavity of the valve body via the one of the entrance bore and the clearance gap.

US Pat. No. 10,472,544

SYSTEM AND METHOD FOR BONDING

Mueller International, LL...

1. A method of binding a first item to a second item, the method comprising: loading the first item and the second item into a sealed chamber defined by a housing; dispensing an adhesive agent through a dispenser in the chamber at a location where the first item contacts the second item; and directing a curing source to cure the adhesive agent with a curing device;moving a door coupled to the housing from an open position to a closed position, wherein the door in the open position is spaced apart from the housing and has a clearance between the door and a chamber opening of the chamber, and wherein the door in the closed position is positioned adjacent to the housing and at least partially covers the chamber opening; sealing the chamber by moving the door in the closed position to a sealed position, wherein the door in the sealed position contacts a side of the housing surrounding the chamber opening and seals the chamber; applying a vacuum within the chamber;
wherein the door moves from a sealed position to a vented position in the event of an explosion within the chamber, the vented position defined by the door covering a profile of the chamber opening and defining a venting gap around a periphery of the door, the venting gap extending from the periphery of the door to the chamber between the door and a side of the housing surrounding the chamber opening.

US Pat. No. 10,458,568

TAMPER-RESISTANT OPERATING NUT FOR HYDRANTS

Mueller International, LL...

1. A hydrant comprising:an operating stem comprising a proximal operating nut engaging portion and a threaded distal end extending from the hydrant;
an operating nut comprising a first end facing the hydrant, an opposed second end, and a central bore defined in the operating nut and extending from the first end to the second end, wherein the operating nut is positioned on the operating stem such that a portion of the stem is positioned in the central bore and the threaded distal end of the stem extends beyond the second end of the operating nut, and wherein the central bore engages the operating stem at the operating nut engaging portion, the operating stem configured to rotate with the operating nut; and
a nut comprising a frustoconical portion configured to be rotatably secured to the distal end of the stem.

US Pat. No. 10,428,966

HYDRANT STEM COUPLING WITH RIBS

Mueller International, LL...

1. A hydrant comprising:a hydrant body defining an internal cavity;
an upper stem positioned within the internal cavity;
a lower stem positioned within the internal cavity; and
a monolithic stem coupling securing the upper stem to the lower stem, the stem coupling comprising:
a coupling body defining a main bore that is circular in radial cross-section and sized to receive the upper stem and the lower stem, the coupling body further defining an internal shoulder extending radially inward from the main bore, the internal shoulder defining a shoulder bore, the shoulder bore defining an internal diameter that is less than an outer diameter of an end of the upper stem proximate to the stem coupling and an outer diameter of the lower stem proximate to the stem coupling;
a plurality of ribs, each rib extending radially outward from the coupling body; and
a break-away feature, the internal shoulder defined at an edge of the break-away feature, each rib of the plurality of ribs adjacent to the break-away feature in a direction towards the lower stem.

US Pat. No. 10,408,355

PRESSURE ACTIVATED VALVE SEAT

Mueller International, LL...

1. A valve comprising:an annular body defining a body bore having a bore axis;
an annular valve seat positioned in the body bore and sealed to the annular body, wherein the annular valve seat comprises an annular sealing surface that defines a seat bore, wherein an annular groove is defined in the annular sealing surface by a groove wall, the annular groove circumferentially extending around the bore axis, and wherein the annular sealing surface is formed from a deformable material;
a valve element positioned in the seat bore and coupled to the annular body, the valve element comprising a rotatable disc configured to rotate about and between a closed position, in which the rotatable disc is configured to prevent fluid from flowing through the seat bore, and an open position, in which the rotatable disc is configured to allow maximum fluid flow through the seat bore, wherein the rotatable disc has a first disc face, and an opposed second disc face,
wherein in the open position, the annular groove is in a first, relaxed position,
wherein in the closed position and an unpressurized condition, in which fluid pressure exerted on the first face of the rotatable disc is substantially the same as fluid pressure exerted on the second face of the rotatable disc, the annular groove is in a second, deformed position that is different than the first, relaxed position, wherein a first groove gap is defined in the annular groove adjacent to the first disc face and wherein a second groove gap is defined in the annular groove adjacent to the second disc face,
wherein in the closed position and a pressurized condition, in which fluid pressure exerted on the first face of the rotatable disc is different than fluid pressure exerted on the second face of the rotatable disc, the annular groove is in a third, deformed position that is different than the second, deformed position and a third groove gap is defined in the annular groove adjacent to the first disc face, wherein a volume of the third groove gap is greater than a volume of the first groove gap of the second, deformed position and wherein the volume of the third groove gap is greater than a volume of the second groove gap of the second, deformed position.

US Pat. No. 10,385,552

PIT ASSEMBLY WITH REMOVABLE CARTRIDGE

Mueller International, LL...

1. A cartridge connector comprising:a coupling;
a locking mechanism attached to the coupling, the locking mechanism comprising a camming lever; and
a locking mechanism actuator configured to selectively position the locking mechanism about and between a locked position and an unlocked position by a selectable movement, the locking mechanism actuator comprising:
a rod connected to the camming lever; and
a handle assembly connected to the rod.

US Pat. No. 10,378,661

VALVE BODY WITH INTEGRAL BYPASS

Mueller International, LL...

1. A valve body with an integral bypass comprising:a primary valve body portion defining a primary internal surface and a primary external surface, the primary internal surface defining a primary bore extending through the primary valve body portion from a primary upstream end to a primary downstream end, the primary bore comprising a primary upstream bore extending through the primary upstream end and a primary downstream bore extending through the primary downstream end, the primary valve body portion configured to house a valve member between the primary upstream bore and the primary downstream bore; and
the bypass seamlessly integrated with the primary valve body portion without weld seams or mechanical connections, the bypass defining a bypass external surface and a bypass internal surface, the bypass internal surface defining a bypass bore, the bypass bore comprising a bypass upstream bore and a bypass downstream bore, the bypass upstream bore extending through the primary upstream end of the primary valve body portion from the primary external surface to the primary internal surface of the primary upstream bore, the bypass downstream bore extending through the primary downstream end of the primary valve body portion from the primary external surface to the primary internal surface of the primary downstream bore, the bypass internal surface seamlessly intersecting the primary internal surface at the primary upstream end and the primary downstream end, and
wherein the valve body is a single monolithic casting formed from a single material; and
wherein:
the bypass comprises a bypass valve body disposed between the bypass upstream bore and the bypass downstream bore;
the primary bore defines an axis;
the bypass upstream bore extends radially outward and axially inward from the primary upstream bore to the bypass valve body relative to the axis; and
the bypass downstream bore extends radially outward and axially inward from the primary downstream bore to the bypass valve body.

US Pat. No. 10,358,843

UNIVERSAL RAIL FOR UTILITY PIT

Mueller International, LL...

1. A rail for a utility pit comprising:a top end defining a top surface;
a bottom end distal from the top end and defining a bottom surface;
an outer face defining a curved radially outer surface, the radially outer surface configured to mount on an inner surface of the utility pit;
an inner face distal from the outer face and defining a radially inner surface;
a first side end at a lateral-most portion of the rail;
a center-lock strike portion proximate to the first side end of the rail, the center-lock strike portion defining a center-lock strike notch in the bottom surface and defining a taper starting at the bottom end, the taper extending upward to the top end at the first side end; and
a side-lock strike portion distal from the first side end, the side-lock strike portion defining a side-lock strike notch, the side-lock strike notch defining a central wall and a pair of side walls extending radially inward from the central wall, a surface of each of the pair of side walls angled with respect to the central wall.

US Pat. No. 10,283,857

NOZZLE CAP MULTI-BAND ANTENNA ASSEMBLY

Mueller International, LL...

1. An antenna assembly comprising:a curved printed circuit board (PCB) comprising a first side and a second side;
a first antenna structure disposed on the first side of the curved PCB and configured to provide radio coverage for a first set of frequency bands;
a second antenna structure disposed on the first side of the curved PCB and configured to provide radio coverage for a second set of frequency bands; and
a third antenna structure disposed on the first side of the curved PCB and configured to provide radio coverage for a third set of frequency bands; and
wherein the curved printed circuit board is positioned between a spacer and a cover of a nozzle cap, wherein the spacer, the curved printed circuit board, and the cover extend around a curved surface of the nozzle cap, and wherein the curved printed circuit board and the spacer are positioned within an antenna cavity defined between the cover and the curved surface of the nozzle cap.

US Pat. No. 10,565,752

GRAPHICAL MAPPING OF PIPE NODE LOCATION SELECTION

Mueller International, LL...

1. A method for creating a graphical mapping of pipe node location selection for a fluid distribution system, comprising:receiving predetermined criteria for each pipe segment of a plurality of pipe segments in the fluid distribution system, each pipe segment comprising a section of pipe between two utility components of the fluid distribution system, each utility component comprising a corresponding computing node configured for leak detection via acoustical propagation;
determining an equivalent length for each pipe segment based at least on the predetermined criteria;
grouping each pipe segment into a specific propagation category of a plurality of propagation categories based on the equivalent lengths; and
creating a graphical map of the plurality of pipe segments and utility components utilizing a plurality of links, the plurality of links comprising distinct visual indications based on the propagation category for each pipe segment,
wherein the plurality of propagation categories comprises at least a first category if the equivalent length is acoustically covered to ensure propagation, a second category if the equivalent length may be acoustically covered to ensure propagation, and a third category if the equivalent length is too long to ensure propagation.

US Pat. No. 10,513,838

HYDRANT CAP WITH RETAINER

Mueller International, LL...

1. A hydrant comprising:a hydrant body defining a top end and a bottom end distal from the top end, the top end defining a barrel diameter and an opening;
a hydrant cap defining an upper surface facing away from the hydrant body and a lower surface facing toward the top end of the hydrant body, the hydrant cap defining a cap diameter, the cap diameter being greater than the barrel diameter;
a cap fastener, the hydrant cap secured to the top end of the hydrant body with the cap fastener, a portion of the cap fastener extending through the opening defined in the top end of the hydrant body; and
an anti-rotation feature configured to prevent rotation of the hydrant cap with respect to the hydrant body after the hydrant cap is secured to the hydrant body with the cap fastener.

US Pat. No. 10,514,123

TAPPING SLEEVE WITH BENT ENDS

Mueller International, LL...

1. A tapping sleeve for a pipe element, the tapping sleeve comprising:an outlet band continuously formed from a single sheet of material, the single sheet of material defining:
a front end,
a back end,
a first side end,
a second side end,
a first bend line extending from the front end to the back end,
a second bend line extending from the front end to the back end,
an arcuate portion defined between the first bend line and the second bend line,
a first flange extending between the first side end and the first bend line, the first flange bent about the first bend line relative to the arcuate portion, and
a second flange extending between the second side end and the second bend line, the second flange bent about the second bend line relative to the arcuate portion; and
a cap band attached to the outlet band,
wherein a first outlet securing bore is defined between the first side end and the first bend line, the first outlet securing bore extending through the first flange.

US Pat. No. 10,458,481

TORQUE-REDUCING SLEEVE FOR A HYDRANT STEM

Mueller International, LL...

1. A hydrant system comprising:a hydrant body defining an internal cavity and a central axis, the hydrant body comprising a first constraining portion and a second constraining portion, the hydrant installed and configured to be installed at a bury depth of at least 8 feet 6 inches;
an upper stem positioned at least partly within the internal cavity, an axis of the upper stem substantially fixed about the central axis at the first constraining portion;
a lower stem positioned at least partly within the internal cavity, an axis of the lower stem substantially fixed about the central axis at the second constraining portion; and
a stem coupling securing the upper stem to the lower stem, the stem coupling comprising a coupling body defining a main bore extending from a first end of the stem coupling to a second end of the stem coupling, the main bore sized to receive the upper stem and the lower stem, the coupling body defining a plurality of break-away features, the coupling body comprising an upper portion and a lower portion, the upper portion defining an upper portion length from a center of the plurality of break-away features to the first end of the stem coupling and the lower portion defining a lower portion length from the center of the plurality of break-away features to the second end of the stem coupling, the coupling body defining an internal shoulder proximate to an intersection of the upper portion and the lower portion, the internal shoulder defining a shoulder bore defining a shoulder bore diameter, the shoulder bore diameter being less than an outer diameter of an end of the lower stem that is proximate to the stem coupling, the hydrant defining an upper free length from the center of the plurality of break-away features of the stem coupling to the first constraining portion and defining a lower free length from the center of the plurality of break-away features to the second constraining portion, the upper portion length equal to at least 12 percent of the upper free length of the hydrant but no greater than the upper free length of the hydrant and the lower portion length equal to at least 10 percent of the lower free length of the hydrant but no greater than the lower free length of the hydrant, both the upper stem and the lower stem unsupported between the first constraining portion and the second constraining portion.

US Pat. No. 10,407,882

HYDRANT SHEAR VALVE AND METHOD

Mueller International, LL...

1. A hydrant shear valve for a hydrant coupled in fluid communication with a hydrant water supply pipe having a pipe flange, comprising:a valve body having fastener receiving openings for mounting the valve in fluid communication between the hydrant and the water supply pipe;
the valve body having a valve seat;
a two-piece valve member including two separate valve member portions each separately and independently pivotally mounted in the valve body to move independently between an open position and a closed position;
the separate valve member portions being disposed overlapping one another axially aligned within the valve body in the open position and being disposed in a coplanar configuration in engagement with the valve seat in the closed position;
bias members for maintaining releaseably the valve member portions in the open position and for permitting the valve member portions to be moved toward the closed position under a force of fluid flowing from the supply pipe;
wherein bias members are held down by the hydrant in a plurality of valve body recesses when the two-piece valve member is disposed in the open position and are permitted to move freely when the hydrant is at least partially dislodged from the valve body;
at least one actuator for freeing the bias members to permit the valve member portions to move independently toward the closed position under the force of fluid under pressure from the supply pipe when the hydrant is hit with sufficient impact; and
each valve member portion having an outer surface and an inner flat surface being disposed at an angle therebetween in cross section to divert fluid from the supply pipe around the valve member portions when disposed in the open position, the angle being between about 3° and about 15°.

US Pat. No. 10,386,257

ENCLOSURE FOR LEAK DETECTOR

Mueller International, LL...

13. A fire hydrant assembly comprising:a fire hydrant, the fire hydrant comprising a nozzle;
a nozzle cap mounted on the nozzle, the nozzle cap defining an inner surface and an outer surface, the inner surface defining a nozzle cap cavity within the nozzle cap;
an antenna enclosure mounted to the nozzle cap, a portion of the antenna enclosure disposed external to the nozzle cap; and
an antenna positioned within the antenna enclosure.

US Pat. No. 10,385,590

UNIVERSAL RAIL FOR UTILITY PIT

Mueller International, LL...

1. A rail for a utility pit comprising:a top end defining a top surface;
a bottom end distal from the top end and defining a bottom surface;
an outer face defining a curved radially outer surface, the radially outer surface configured to mount on an inner surface of the utility pit;
an inner face distal from the outer face and defining a radially inner surface;
a first side end at a lateral-most portion of the rail;
a center-lock strike portion proximate to the first side end of the rail, the center-lock strike portion defining a center-lock strike notch in the bottom surface and defining a taper starting at the bottom end, the taper extending upward to the top end at the first side end; and
a side-lock strike portion distal from the first side end, the side-lock strike portion defining a side-lock strike notch, the side-lock strike notch defining a central wall and a pair of side walls extending radially inward from the central wall, a surface of each of the pair of side walls angled with respect to the central wall.

US Pat. No. 10,371,282

SHAFT BLOWOUT PREVENTION DEVICE

Mueller International, LL...

1. A valve comprising:a valve body defining a top end, a bottom end distal from the top end, and a shaft bore defined in the top end and the bottom end;
a valve shaft positioned at least partially within the shaft bore of the valve body and defining an end bore, the valve shaft defining an axis, the valve shaft configured to rotate within the valve body about the axis;
a shaft blowout prevention fastener secured within the end bore of the valve shaft and aligned with the axis of the valve shaft; and
a bottom cover secured to the bottom end of the valve, the bottom cover defining a clearance hole sized to receive the shaft blowout prevention fastener, the bottom cover positioned at least partially between the valve shaft and a head of the shaft blowout prevention fastener, an outer diameter of the head of the shaft blowout prevention fastener being larger than an inner diameter of the clearance hole of the bottom cover;
wherein fluid surrounding the head of the shaft blowout prevention fastener is in fluid communication with the bottom cover, the bottom cover enclosing the head of the shaft blowout prevention fastener.

US Pat. No. 10,326,518

REPEATER AND NODE UTILIZATION

Mueller International, LL...

1. A method of a repeater joining a node of a plurality of nodes through a gateway to a long-range wireless wide area network, the method comprising steps of:receiving at the repeater a join request message from the node;
transmitting at least a portion of the join request message on behalf of the node from the repeater to a gateway;
receiving at the repeater from the gateway a join accept message regarding the node;
identifying the node at the repeater based upon timing between the steps of the repeater transmitting the at least a portion of the join request message and receiving the join accept message; and
transmitting at least a portion of the join accept message from the repeater to the node identified by the repeater.

US Pat. No. 10,273,385

SYSTEM AND METHOD FOR BONDING

Mueller International, LL...

1. A system for dispensing and curing activation of an adhesive agent, the system comprising:a housing defining a sealed chamber and a chamber opening; and
a door movably coupled to the housing, the door movable between an open position and a closed position, the door in the open position spaced apart from the housing and having a clearance between the door and the chamber opening, the door in the closed position positioned adjacent to the housing and at least partially covering a profile of the chamber opening, the door movable in the closed position between a sealed position and a vented position,
wherein the sealed position includes the door covering a profile of the chamber opening, contacting a side of the housing surrounding the chamber opening, and sealing the chamber opening,
wherein the vented position includes the door covering a profile of the chamber opening and defining a venting gap around a periphery of the door, the venting gap extending from the periphery of the door to the chamber between the door and a side of the housing surrounding the chamber opening, and
wherein the door is configured to move from the sealed position to the vented position in the event of an explosion within the chamber.

US Pat. No. 10,267,774

EXTERNAL NOISEMAKER FOR PIPE SYSTEMS

Mueller International, LL...

1. A noisemaker system comprising:a node of an infrastructure system; and
a noisemaker comprising:
a vibrating plate comprising a top surface and a bottom surface, the bottom surface of the vibrating plate in contact with an exterior surface of the node;
an actuator configured to engage the top surface of the vibrating plate and generate an acoustic signal;
a motor configured to drive the actuator to engage the top surface of the vibrating plate;
a user interface;
an excitation control communicatively coupled to the user interface, wherein a user may utilize the user interface to select an excitation sequence of the excitation control for the actuator; and
a motor control communicatively coupled to the excitation control, wherein the motor control is a frequency control communicatively coupled to the motor.

US Pat. No. 10,267,652

NODE COMMUNICATION WITH UNKNOWN NETWORK ID

Mueller International, LL...

1. A method comprising steps of:sending, by a node, a beacon at a regular time interval, the beacon comprising an associated utility device identification number (ID) and communication channel information;
receiving, at the node, a message from a network device on the communication channel that is beginning within a time window after a predefined delay after the beacon was sent;
determining, by the node, whether the message comprises the utility device ID; and
initiating, by the node, temporary two-way communication by sending a response to the network device responsive to determining the message comprises the utility device ID.

US Pat. No. 10,267,424

BUTTERFLY VALVE SEAT WITH SEAT COVER

Mueller International, LL...

1. A valve assembly comprising:a valve body comprising
an inner surface and an outer surface, the inner surface defining a body bore,
an inward front ridge and an inward back ridge distal from the inward front ridge, and
an outward front ridge and an outward back ridge distal from the inward front ridge,
wherein the valve body defines a front groove between the outward front ridge and the inward front ridge and a back groove between the outward back ridge and the inward back ridge, the inner surface defining a valve body groove between the inward front ridge and the inward back ridge, the valve body groove having a bottom groove surface, the inward front ridge of the valve body defining an inner front surface, the inner front surface orthogonal to and intersecting a lower groove surface of the front groove and orthogonal to and intersecting the inner surface of the valve body, the valve body further defining a chamfer at an intersection between an inward-facing groove surface of the front groove and an outer front surface of the outward front ridge; and
a seat comprising
a front side,
a back side distal from the front side,
an inner surface defining a seat bore,
an outer surface defining a seat alignment rib, the seat alignment rib extending outward in a radial direction with respect to the seat bore from the outer surface of the seat between the front side and the back side, the seat alignment rib comprising an outer surface, the seat mounted on the valve body with the outer surface of the seat facing the inner surface of the valve body and with the seat alignment rib positioned in the valve body groove, the valve body groove defining a first deformation gap between the bottom groove surface and the outer surface of the seat alignment rib, the first deformation gap intersecting an upper stem bore and a lower stem bore of the body,
a front flange extending outwards in a radial direction with respect to the seat bore from the outer surface of the seat at the front side, the front flange of the seat comprising an inner surface and an outer surface, and
a front lip positioned in the front groove of the valve body, the front lip defining a top surface, a bottom surface, and a side surface extending between the top surface and the bottom surface, the side surface orthogonal to and intersecting each of the top surface and the bottom surface; and
a seat cover comprising
a front side,
a back side distal from the front side,
an inner surface defining a seat cover bore,
an outer surface, the seat cover mounted on the seat with the outer surface of the seat cover facing and contacting the inner surface of the seat,
a front flange extending outwards in a radial direction with respect to the seat cover bore from the outer surface of the seat cover at the front side, and
a back flange extending outwards in the radial direction with respect to the seat cover bore from the outer surface of the seat cover at the back side,
wherein the outer surface of the front flange of the seat faces and contacts the inner surface of the front flange of the seat cover, an outer end of the front flange of the seat cover aligned with an outer end of the front flange of the seat, the outer end of the front flange of the seat cover and the outer end of the front flange of the seat together defining a single cylindrical surface, the outward front ridge of the valve body and the cylindrical surface defining a front deformation gap therebetween.

US Pat. No. 10,564,061

ADJUSTABLE HYDRANT STRAP

Mueller International, LL...

1. A monitoring device for a pipe system, the monitoring device comprising:a housing defining a mounting surface and a pair of mounting receptacles on a mounting side, the housing configured to mount on an exterior surface of a pipe element of the pipe system, the housing comprising
a housing body,
a housing cover,
a cover fastener securing the housing cover to the housing body,
a sensor,
a controller, and
a communications device, the sensor, the controller, and the communications device housed within the housing body and the cover;
a tamper-resistant housing fastener configured to resist unfastening without a special removal tool; and
a strap assembly comprising a mounting tab, the strap assembly secured to the housing by receiving the housing fastener through the mounting tab and within a first mounting receptacle of the pair of mounting receptacles.

US Pat. No. 10,564,653

FLUSHING VERIFICATION AND MANAGEMENT SYSTEM

Mueller International, LL...

1. A method comprising steps of:taking, by a controller in a flushing mechanism, a first pressure reading of a fluid in a supply channel, the supply channel in fluid communication with a distribution line of a fluid distribution system and terminated by a flushing valve in the flushing mechanism;
actuating, by the controller, the flushing valve causing the flushing valve to change state;
taking, by the controller, a second pressure reading of the fluid in the supply channel;
comparing, by the controller, a difference between the first pressure reading and the second pressure reading to a minimum pressure differential value; and
upon determining that the difference between the first pressure reading and the second pressure reading is not greater than the minimum pressure differential value, alerting, by the controller, a central control system of the fluid distribution system that a failure has occurred.

US Pat. No. 10,558,198

ONSITE MOBILE MANUFACTURING PLATFORM

Mueller International, LL...

1. A mobile manufacturing system comprising:a control unit configured for ready portable transport via a vehicle from a storage site to a worksite and then back to the storage site, the worksite located remotely from the storage site;
a three-dimensional scanner operatively coupled to the control unit and configured for portable transport via the vehicle to the worksite, the scanner configured to convert geometry of a first component of a water infrastructure system into electronic data based on a physical scan of the first component, a one of the scanner and the control unit comprising a converter configured to convert the data into a three-dimensional solid model of the first component;
a manufacturing unit operatively coupled to the control unit and configured for ready portable transport via the vehicle to the worksite, the manufacturing unit configured to fabricate a second component of the water infrastructure system using an automated manufacturing process based on the solid model of the first component; and
a quality test unit operatively coupled to the control unit and configured to perform testing on the second component and on dog bone samples of a batch of a material used to fabricate the second component.