P

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 patents
US5940009AAug 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 patents
US7656649B2Feb 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 patents

WESTINGHOUSE ELECTRIC CORP

1 patent

RICHESON KEITH D

1 patent

POWER INTEGRATIONS INC

1 patent

ELSTER SOLUTIONS LLC

1 patent

LOY GARRY M

1 patent

Showing the top 50 of 56 patents by PatentIndex Score.