US Pat. No. 9,094,022

GEOGRAPHIC LOCATING REMOTE ENDPOINT MONITOR DEVICE, SYSTEM, AND METHODOLOGY THEREOF

Sensus Spectrum LLC, Ral...

1. A cellular network comprising:
a node configured to transmit a data packet on a predetermined frequency;
a first base station configured to receive signals transmitted on the predetermined frequency;
a second base station locationally dispersed from the first base station and configured to receive signals transmitted on
the predetermined frequency; and

a data concentrator, wherein
the first base station and the second base station are arranged in a cellular configuration such that a first coverage area
of the first base station at least partially overlaps a second coverage area of the second base station,

the first base station and the second base station each receive the data packet transmitted by the node,
the data concentrator is configured to collect the data packet received by the first base station and the data packet received
by the second base station, and

the data concentrator is further configured to compare an integral identification tag included in the collected data packet
with integral identification tags included in other data packets stored in a database, and to store the collected data packet
in the database only if the integral identification tag in the collected data packet is not duplicated in any of the other
data packets stored in the database.

US Pat. No. 9,228,868

MAGNETICALLY INDUCTIVE FLOWMETER FOR DETERMINING THE FLOW RATE OF A FLUID FLOWING THROUGH A MEASURING TUBE

Sensus Spectrum LLC, Ral...

1. A magnetically inductive flow meter unit for determining a flow rate of a fluid flowing through a measuring tube, the flow
meter comprising:
a measuring tube that has a measuring channel;
a measuring sensor arranged in the measuring channel and is oriented in alignment with an inner surface of a wall of the measuring
tube;

an electrode head made of an electrically conductive material and having a fluid contact section, the electrode head being
in direct contact with the fluid flowing through the measuring tube via the fluid contact section; and

an indentation formed on a side of the electrode head facing the fluid, which forms at least part of the fluid contact section.

US Pat. No. 9,112,515

GEOGRAPHIC LOCATING REMOTE ENDPOINT MONITOR DEVICE, SYSTEM, AND METHODOLOGY THEREOF

SENSUS SPECTRUM LLC, Ral...

1. A phase-locked loop frequency synthesizer, comprising:
a pulse width modulator configured to receive a reference frequency signal and at least one entry from a frequency table,
and to output N/N+1 modulus signals corresponding to the at least one entry from the frequency table, wherein N is a divider
modulus;

a divide by N/N+1 controllable modulus divider configured to receive the N/N+1 modulus signals and to divide an output frequency
signal by the N/N+1 modulus signals to generate a second reference frequency signal;

a phase frequency detector configured to receive the reference frequency signal and the second reference frequency signal
and to generate an error signal;

a filter network configured to receive the error signal and to output a voltage; and
a voltage controlled oscillator configured to receive the voltage and to generate the output frequency signal.

US Pat. No. 9,046,394

WATER METER INCLUDING VARIABLE ORIFICE DEVICE

Sensus Spectrum LLC, Ral...

1. A water meter for determining a flow of water, comprising:
a meter maincase defining an inlet for receiving the flow of water and an outlet for discharging the flow of water;
a metering device positioned in the maincase between the inlet and the outlet and operable to measure the flow of water through
the maincase from the inlet to the outlet; and

a flow restricting device positioned between the metering device and the outlet, wherein the flow restricting, device includes
a plurality of flexible vanes that define a variable orifice through which the water flows from the metering maincase to the
outlet, wherein the flexible vanes are each biased toward a closed position to restrict the size of the variable orifice and
create a source of back pressure for the flow of water through the water meter.

US Pat. No. 9,389,110

MEASUREMENT APPARATUS FOR MEASURING THE THROUGHFLOW OF A FLUID

Sensus Spectrum LLC, Ral...

1. A measurement apparatus comprising:
a measuring tube having an inlet and an outlet;
a thermal sensor for measuring a flow rate of a fluid flowing through the measuring tube, the thermal sensor being arranged
in a measurement section of the measuring tube; and

an inner tube having an inner tube inlet, an inner tube outlet, and an inner tube measurement section, the inner tube arranged
in the measuring tube,

wherein the inlet has an inlet inside diameter and the measurement section has a measurement section inside diameter, the
measurement section inside diameter being greater than the inlet inside diameter,

wherein the inner tube measurement section has an inside diameter that is greater than an inside diameter of the inner tube
inlet,

wherein the thermal sensor is arranged at the inner tube,
wherein the inside diameter of the inner tube increases steadily from the inner tube inlet towards the inner tube measurement
section and tapers steadily from the inner tube measurement section towards the inner tube outlet, and

wherein the sensor is arranged at the inside wall of the inner tube in a region of the measurement section.

US Pat. No. 9,791,077

PIPE COUPLING HAVING DOUBLE-THREADED TIGHTENING FASTENER AND ASSOCIATED METHODS

Sensus Spectrum LLC, Ral...

1. A pipe coupling for coupling two pipe ends together, comprising:
a sleeve having a generally cylindrical body portion with open opposing ends configured to receive the two pipe ends;
a sealing gasket operatively coupled with the sleeve for engaging at least one of the two pipe ends; and
a clamping element operatively coupled with the sleeve for compressing the sealing gasket into tightened engagement with at
least one of the two pipe ends, the clamping element further including:

first and second bolt flanges nominally spaced from one another to define a gap therebetween,
a double threaded fastening bolt extending generally tangential to the generally cylindrical body portion of the sleeve and
through the first and second bolt flanges, the fastening bolt including first and second external threaded portions connected
at a central bolt portion and respectively defining a right-hand thread and a left-hand thread, and

first and second fastening nuts in threaded engagement with the first and second external threaded portions of the fastening
bolt and positioned to abut the respective first and second bolt flanges, the first fastening nut including a threaded bore
with a right-hand thread and the second fastening nut including a threaded bore with a left-hand thread,

wherein each of the first and second bolt flanges includes a socket defining an arcuate surface, and each of the first and
second fastening nuts includes an arcuate surface configured to be positioned in face-to-face abutting contact with the arcuate
surface of the corresponding first or second bolt flange when inserted into the corresponding socket, to thereby prevent rotation
of the first and second fastening nuts relative to the first and second bolt flanges when the first and second fastening nuts
are in abutting engagement with the first and second bolt flanges.

US Pat. No. 10,694,617

PLASTIC INJECTION MOLDED POTTING CUPS AND RELATED METHODS

Sensus Spectrum, LLC, Mo...

1. A potting cup positioned on a printed circuit board, the potting cup encapsulating only a portion of the printed circuit board including at least one interface subject to corrosion when exposed to moisture and configured to receive a potting material in the encapsulated portion to cover the at least one interface subject to corrosion, wherein the potting cup comprises a slot such that a portion of the potting cup is positioned directly over an upper surface of the printed circuit board and a portion of the potting cup is positioned directly below a lower surface of the printed circuit board.

US Pat. No. 9,748,818

METHOD AND DEVICE FOR SUPPLYING A MEASUREMENT ELECTRONICS SYSTEM WITH ELECTRICAL ENERGY

Sensus Spectrum LLC, Ral...

1. A method for supplying a fluid flow rate electronic measuring system in a fitting on a pipe section, through which a fluid
flows, with electric power, wherein a flow rate of the fluid flowing through the fitting fluctuates, via a power generating
device, the method comprising:
arranging a generator having a turbine in the pipe section through which the fluid flows, the generator and the fitting being
arranged in series, and the generator generating electric power to supply the electronic measuring system, so that the electronic
measuring system in the fitting has electric power to measure the flow rate of the fluid;

providing a control device; and
providing at least one element for influencing the fluid flow through the power generating device,
wherein the turbine of the generator generates electric power starting at a predetermined minimum flow rate of the fluid through
the fitting,

wherein a pressure loss of the fluid that the fluid experiences in the power generating device is determined by measuring
pressure at a position upstream of both the generator and the fitting and at a position downstream of both the generator and
the fitting, and

wherein the control device, depending on the determined pressure loss and/or the flow rate measured by the electronic measuring
system in the fitting, controls the at least one element for influencing the fluid flow so that the pressure loss that the
fluid in the power generating device experiences does not exceed a predetermined value.

US Pat. No. 10,509,061

METHOD AND SYSTEM FOR HIGH TEMPERATURE DETECTION IN ELECTRIC METERS

Sensus Spectrum, LLC, Ra...

1. A system for responding to an electrical meter alarm, comprising:a processor at a meter or at a utility;
an alarm chronical encoded in memory of the processor, the alarm chronical comprising,
an alarm level correlating to a degree of risk associated with a state of the meter,
a time stamp including a date and a time of when the alarm level triggered,
a meter identification, and
performance data of the meter,
wherein the degree of risk is correlated by cross-checking records at the utility for meters operating under similar external conditions and under similar power loads.

US Pat. No. 9,927,257

METHOD, APPARATUS, AND SYSTEM FOR INITIALIZING A METER READING DEVICE

SENSUS SPECTRUM, LLC, Ra...

1. A method of initializing a meter reading device that measures consumption of a metered commodity and that communicates a current meter value of a meter associated with the metered commodity to a central metering facility, the method comprising:capturing meter information from the meter taken by a hand-held initialization apparatus;
receiving, at the meter reading device based on the meter information taken by the hand-held initialization apparatus, an initial meter value of the meter;
upon initial installation of the meter reading device, upon association of a new customer with the meter, or upon replacement of the meter reading device, initializing the meter reading device using the initial meter value obtained by the hand-held initialization apparatus;
determining, by the meter reading device at a subsequent time after initializing the meter reading device, at least one of a) the current meter value and b) a measured consumption based on the initial meter value and the current meter value; and
communicating the current meter value or the measured consumption to the central metering facility.

US Pat. No. 9,670,650

FIRE HYDRANT MONITORING SYSTEM

Sensus Spectrum LLC, Ral...

1. A fire hydrant monitoring system for a fire hydrant having a barrel including an open interior, the fire hydrant monitoring
system comprising:
a housing configured for connection to an exterior surface of the barrel and having a sensing chamber inlet in communication
with the open interior of the barrel;

a controller located in the housing; and
at least one electrode connected to the controller and located in the sensing chamber;
wherein when water enters the sensing chamber, the electrode detects the presence of water and the controller processes a
signal.

US Pat. No. 9,631,961

INDUCTIVE FLOW METER INCLUDING EXTENDED MAGNETIC POLE PIECES

Sensus Spectrum LLC, Ral...

1. A magnetic inductive flow meter, comprising:
a flow tube having an inlet, an outlet and a measuring channel positioned between the inlet and the outlet;
a first electrode and a second electrode positioned on opposite sides of the measuring channel;
a pair of magnetic pole pieces positioned on opposite sides of the measuring channel and orthogonal to the first and second
electrodes, wherein a portion of each of the magnetic pole pieces is positioned to overlap each of the first and second electrodes;
and

an electromagnet coupled to the pair of magnetic pole pieces and configured to generate an alternating magnetic field across
the measuring channel.

US Pat. No. 10,184,599

SPLIT-RING GLAND PIPE COUPLING WITH CORRUGATED ARMOR

Sensus Spectrum, LLC, Ra...

1. An armor configured to span a gap between spaced ends of a split-ring gland of a pipe coupling, comprising:a central wall having an arcuate shape, the central wall including an inner side edge, an outer side edge, and a plurality of corrugations extending along the central wall between the inner and outer side edges, the corrugations extending from the central wall to define radially inward aspects relative to the central wall and radially outward aspects relative to the central wall;
a first side wall extending generally perpendicular to and in a first direction relative to the central wall at the outer side edge; and
a second side wall extending generally perpendicular to and in a second direction opposite said first direction relative to the central wall at the inner side edge.

US Pat. No. 10,648,599

PIPE COUPLING HAVING DOUBLE-THREADED TIGHTENING FASTENER AND ASSOCIATED METHODS

Sensus Spectrum LLC, Ral...

1. A pipe coupling for coupling two pipe ends together, comprising:a sleeve having a generally cylindrical body portion with open opposing ends configured to receive the two pipe ends, the body portion extending along a longitudinal length;
at least one sealing gasket operatively coupled with the sleeve for engaging at least one of the two pipe ends; and
a clamping element operatively coupled with the sleeve for compressing the at least one sealing gasket into tightened engagement with at least one of the two pipe ends, the clamping element further including:
first and second clamp members operatively coupled with the open opposing ends of the sleeve and the at least one sealing gasket, the first and second clamp members including corresponding first and second bolt flanges nominally spaced from one another to define a gap therebetween,
a double threaded fastening bolt extending along the longitudinal length, generally parallel to the body portion of the sleeve and through the first and second bolt flanges of the first and second clamp members, the fastening bolt including first and second external threaded portions connected at a central bolt portion and respectively defining a right-hand thread and a left-hand thread, and
first and second fastening nuts in threaded engagement with the first and second external threaded portions of the fastening bolt and positioned to abut the respective first and second bolt flanges, the first fastening nut including a threaded bore with a right-hand thread and the second fastening nut including a threaded bore with a left-hand thread, wherein tightening the first and second fastening nuts on the fastening bolt draws the first and second bolt flanges towards one another to compress the gap therebetween and thereby cause compression of the at least one sealing gasket.

US Pat. No. 10,772,128

METHODS, SYSTEMS AND COMPUTER PROGRAM PRODUCTS FOR SLOTTED-ALOHA COLLISION IMPROVEMENT BY POPULATION DENSITY TIMESLOT SELECTION PER RADIO FREQUENCY PROPAGATION PATHLOSS

Sensus Spectrum, LLC, Mo...

1. A method for determining a transmission timeslot at an endpoint in a communications network implementing a modified slotted ALOHA protocol, the method comprising:receiving an ALOHA message having a received downlink strength at an endpoint;
determining an uplink strength for the endpoint based on information in the received ALOHA message; and
allocating a timeslot for uplink transmission from the endpoint based on the determined uplink strength,
wherein the communications network implementing a modified slotted ALOHA protocol includes a plurality of timeslots; and
wherein a spacing between each of the plurality of timeslots is from about 5 to about 30 dB and wherein each of the plurality of timeslots has a duration from about 30 seconds to about 1 minute.

US Pat. No. 10,663,933

SYSTEMS AND METHODS FOR SUBNETWORK HYDRAULIC MODELING

Sensus Spectrum LLC, Ral...

1. A system for managing a distribution network, the system including a network hydraulic model and an automated meter infrastructure (AMI) that provides an AMI data from a plurality of consumption meters, the system comprising:a plurality of subnetworks within the distribution network;
a plurality of nodes that interconnect the plurality of subnetworks;
a plurality of boundary devices, each boundary device from the plurality of boundary devices being operatively connected to a node from the plurality of nodes, wherein each boundary device from the plurality of boundary devices at least includes a flow meter and a pressure sensor, and wherein the flow meter senses a flow and the pressure sensor senses a pressure such that the plurality of boundary devices sense the flow and the pressure of the distribution network at the plurality of nodes at a given time step;
a plurality of subnetwork hydraulic models generated from the network hydraulic model, wherein the plurality of subnetwork hydraulic models correspond to the plurality of subnetworks; and
processsing modules each configured to determine a first comparison for the given time step between the AMI data from the plurality of consumption meters within corresponding given subnetworks, the flow and the pressure at the plurality of nodes that border the corresponding given subnetworks, and the subnetwork hydraulic models for the corresponding given subnetworks, wherein the distribution network is managed based at least in part on the first comparison.

US Pat. No. 10,760,165

CATHODIC PROTECTION MANAGEMENT SYSTEM

Sensus Spectrum LLC, Ral...

1. A system for monitoring the cathodic protection of a pipeline, comprising:a plurality of differently configured test points geographically dispersed at a plurality of locations along the pipeline;
at least one rectifier associated with the plurality of test points, wherein the rectifier is operable to impart a protection voltage on the pipeline;
a plurality of test point monitors each having the same configuration and each including an internal switching element and each being in communication with one of the plurality of differently configured test points through a configurable terminal block that allows the test point monitor to determine at least a voltage measurement associated with the pipeline at the location of the test point regardless of the configuration of the test point, wherein each of the test point monitors includes a control unit including firmware operable to control operation of the switching element to determine the voltage measurement based on the configuration of the test point and a transceiver to both transmit and receive wireless communication signals;
a rectifier controller in communication with the rectifier to control the application of the protection voltage on the pipeline,
at least one base station located remotely from the test point monitors and the rectifier controller and in communication with the test point monitors and the rectifier controller;
a back end server in communication with the base station, wherein the back end server receives at least the voltage measurements from the plurality of test point monitors and communicates commands to the test point monitors and the rectifier controller; and
an operator interface terminal associated with the back end server to display the measurements from the plurality of test point monitors.