Inventor
HEMMINGER RODNEY C
US56 patents
⚠️ This page may combine multiple inventors who share the name “HEMMINGER RODNEY C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ABB POWER T & D CO
20 patentsUS5940009AAug 17, 1999
Apparatus and method to detect tampering with an electronic utility meter
ABB POWER T & D CO164 citations99
US5621629AApr 15, 1997
Switching power supply for use in an electronic energy meter having a wide range of input voltages
ABB POWER T & D CO128 citations99
US5555508ASep 10, 1996
Programmable electrical energy meter and methods therefor
ABB POWER T & D CO153 citations99
US5548527AAug 20, 1996
Programmable electrical energy meter utilizing a non-volatile memory
ABB POWER T & D CO191 citations99
US6094622AJul 25, 2000
System and method for automatically determining the electrical energy service type to which an energy meter is connected
ABB POWER T & D CO96 citations98
US5874903AFeb 23, 1999
RF repeater for automatic meter reading system
ABB POWER T & D CO415 citations98
US5544089AAug 6, 1996
Programmable electrical energy meter using multiplexed analog-to-digital converters
ABB POWER T & D CO98 citations97
US5537029AJul 16, 1996
Method and apparatus for electronic meter testing
ABB POWER T & D CO79 citations97
US5903145AMay 11, 1999
Universal electronic energy meter for use with 4-wire standard services
ABB POWER T & D CO31 citations96
US5631843AMay 20, 1997
Programmable electrical energy meter and methods therefor
ABB POWER T & D CO76 citations96
US5537333AJul 16, 1996
Method of determining power measurements in an electrical energy meter
ABB POWER T & D CO34 citations96
US5457621AOct 10, 1995
Switching power supply having voltage blocking clamp
ABB POWER T & D CO63 citations96
US5966010AOct 12, 1999
Electrical energy meter with snap fit interlocking parts
ABB POWER T & D CO102 citations95
US6269316B1Jul 31, 2001
System and method for detecting flicker in an electrical energy supply
ABB POWER T & D CO29 citations92
US6229295B1May 8, 2001
Apparatus for metering at least one type of electrical power over a predetermined range of service voltages
ABB POWER T & D CO23 citations92
US6141626AOct 31, 2000
Two-element energy meter having systems for automatic service type detection
ABB POWER T & D CO32 citations92
US6128584AOct 3, 2000
System and method for frequency compensation in an energy meter
ABB POWER T & D CO34 citations92
US6097182AAug 1, 2000
Electrical energy meter for 3-wire delta service
ABB POWER T & D CO17 citations92
US6005384ADec 21, 1999
Methods and apparatus for oscillator compensation in an electrical energy meter
ABB POWER T & D CO8 citations66
US5907241AMay 25, 1999
Current measurement methods and apparatus employing second harmonic scaling
ABB POWER T & D CO2 citations63
ELSTER ELECTRICITY LLC
20 patentsUS7656649B2Feb 2, 2010
Mechanical packaging apparatus and methods for an electrical energy meter
ELSTER ELECTRICITY LLC80 citations98
US7119713B2Oct 10, 2006
Dynamic self-configuring metering network
ELSTER ELECTRICITY LLC76 citations97
US6778099B1Aug 17, 2004
Wireless area network communications module for utility meters
ELSTER ELECTRICITY LLC256 citations97
US7339805B2Mar 4, 2008
Power supply having voltage blocking clamp
ELSTER ELECTRICITY LLC29 citations96
US7301476B2Nov 27, 2007
Dynamic self-configuring metering network
ELSTER ELECTRICITY LLC58 citations96
US7239125B2Jul 3, 2007
Method and apparatus for electronic meter testing
ELSTER ELECTRICITY LLC29 citations96
US7180282B2Feb 20, 2007
Apparatus for metering at least one type of electrical power over a predetermined range of service voltages
ELSTER ELECTRICITY LLC31 citations96
US7145474B2Dec 5, 2006
Dynamic self-configuring metering network
ELSTER ELECTRICITY LLC54 citations96
US6954061B2Oct 11, 2005
Method and apparatus for electronic meter testing
ELSTER ELECTRICITY LLC31 citations96
US6940268B2Sep 6, 2005
Apparatus for metering at least one type of electrical power over a predetermined range of service voltages
ELSTER ELECTRICITY LLC28 citations96
US6703823B1Mar 9, 2004
Method and apparatus for electronic meter testing
ELSTER ELECTRICITY LLC28 citations96
US6650249B2Nov 18, 2003
Wireless area network communications module for utility meters
ELSTER ELECTRICITY LLC212 citations96
US6888876B1May 3, 2005
Frequency hopping spread spectrum communications system
ELSTER ELECTRICITY LLC88 citations95
US6762598B1Jul 13, 2004
Method for providing optical test signals for electronic meter testing
ELSTER ELECTRICITY LLC25 citations93
US6628207B1Sep 30, 2003
Method and apparatus for detecting and reporting a power outage
ELSTER ELECTRICITY LLC104 citations93
US7020178B2Mar 28, 2006
Microprocessor decoder frequency hopping spread spectrum communications receiver
ELSTER ELECTRICITY LLC33 citations91
US7860672B2Dec 28, 2010
Method and apparatus for monitoring voltage in a meter network
ELSTER ELECTRICITY LLC27 citations88
US6618684B1Sep 9, 2003
System and method for digitally compensating frequency and temperature induced errors in amplitude and phase shift in current sensing of electronic energy meters
ELSTER ELECTRICITY LLC69 citations88
US7821776B2Oct 26, 2010
Tamper resistant meter assembly
ELSTER ELECTRICITY LLC10 citations84
US7218531B2May 15, 2007
Switching regulator with reduced conducted emissions
ELSTER ELECTRICITY LLC2 citations62
ABB AUTOMATION INC
5 patentsUS6504357B1Jan 7, 2003
Apparatus for metering electrical power and electronically communicating electrical power information
ABB AUTOMATION INC195 citations99
US6483290B1Nov 19, 2002
Apparatus for metering electrical power that determines energy usage data based on downloaded information
ABB AUTOMATION INC92 citations99
US6507794B1Jan 14, 2003
Energy meter with power quality monitoring systems and methods
ABB AUTOMATION INC86 citations98
US6577961B1Jun 10, 2003
Energy meter having programmable functions
ABB AUTOMATION INC48 citations96
US6374188B1Apr 16, 2002
Energy meter with instrumentation systems and methods
ABB AUTOMATION INC49 citations96
WESTINGHOUSE ELECTRIC CORP
1 patentRICHESON KEITH D
1 patentPOWER INTEGRATIONS INC
1 patentELSTER SOLUTIONS LLC
1 patentLOY GARRY M
1 patentShowing the top 50 of 56 patents by PatentIndex Score.