Inventor
DOUGHERTY JOHN J
US35 patents
⚠️ This page may combine multiple inventors who share the name “DOUGHERTY JOHN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN ELECTRIC
32 patentsUS4589052AMay 13, 1986
Digital I2 T pickup, time bands and timing control circuits for static trip circuit breakers
GEN ELECTRIC272 citations99
US4550360AOct 29, 1985
Circuit breaker static trip unit having automatic circuit trimming
GEN ELECTRIC146 citations99
US6356426B1Mar 12, 2002
Residential circuit breaker with selectable current setting, load control and power line carrier signaling
GEN ELECTRIC117 citations98
US6141197AOct 31, 2000
Smart residential circuit breaker
GEN ELECTRIC92 citations97
US4967304AOct 30, 1990
Digital circuit interrupter with electric motor trip parameters
GEN ELECTRIC54 citations96
US4672501AJun 9, 1987
Circuit breaker and protective relay unit
GEN ELECTRIC387 citations96
US6950725B2Sep 27, 2005
Home latch-key web based automation system
GEN ELECTRIC79 citations94
US7636616B2Dec 22, 2009
Protection system for power distribution systems
GEN ELECTRIC23 citations92
US7532955B2May 12, 2009
Distributed protection system for power distribution systems
GEN ELECTRIC37 citations92
US7058482B2Jun 6, 2006
Data sample and transmission modules for power distribution systems
GEN ELECTRIC39 citations92
US7016174B2Mar 21, 2006
Instantaneous fault detection circuit method and apparatus
GEN ELECTRIC16 citations92
US6466023B2Oct 15, 2002
Method of determining contact wear in a trip unit
GEN ELECTRIC34 citations92
US6046899AApr 4, 2000
Hybrid protective relay having enhanced contact response time
GEN ELECTRIC24 citations92
US6002561ADec 14, 1999
Arcing fault detection module
GEN ELECTRIC38 citations92
US4937757AJun 26, 1990
Digital circuit interrupter with selectable trip parameters
GEN ELECTRIC39 citations92
US4658323AApr 14, 1987
RMS calculation circuit for digital circuit interrupters
GEN ELECTRIC32 citations92
US4510611AApr 9, 1985
Transceiver circuit for interfacing between a power line communication system and a data processor
GEN ELECTRIC49 citations92
US6268989B1Jul 31, 2001
Residential load center with arcing fault protection
GEN ELECTRIC26 citations91
US4685024AAug 4, 1987
Overcurrent circuit interrupter using RMS sampling
GEN ELECTRIC37 citations86
US5929663AJul 27, 1999
Control circuit for distributed electrical equipment
GEN ELECTRIC17 citations84
US7369389B2May 6, 2008
Electronic trip unit for circuit breakers
GEN ELECTRIC12 citations83
US4706158ANov 10, 1987
Circuit breaker with self-contained electronic trip actuator and undervoltage release control circuit
GEN ELECTRIC24 citations82
US5243489ASep 7, 1993
Protection circuit for multiple phase power system
GEN ELECTRIC14 citations74
US4876622AOct 24, 1989
Circuit breaker warning relay and control accessory
GEN ELECTRIC15 citations74
US4741002AApr 26, 1988
RMS calculation circuit
GEN ELECTRIC13 citations74
US4212287AJul 15, 1980
Insolation integrator
GEN ELECTRIC19 citations67
US6545849B1Apr 8, 2003
Instantaneous fault detection circuit method and apparatus
GEN ELECTRIC3 citations63
US5295037AMar 15, 1994
Molded case circuit breaker-process loop unit
GEN ELECTRIC5 citations63
US7839617B2Nov 23, 2010
Electronic trip unit for circuit breakers
GEN ELECTRIC4 citations62
US7463989B2Dec 9, 2008
Waveform recorder apparatus and method
GEN ELECTRIC2 citations61
US7430482B2Sep 30, 2008
Waveform recorder apparatus and method
GEN ELECTRIC2 citations61
US6466927B1Oct 15, 2002
Method for creating a process capability database
GEN ELECTRIC6 citations57