Inventor
HOWELL EDWARD K
US53 patents
Patents
50 patentsUS5164872ANov 17, 1992
Load circuit commutation circuit
GEN ELECTRIC85 citations96
US4961100AOct 2, 1990
Bidirectional field effect semiconductor device and circuit
GEN ELECTRIC100 citations96
US4723187AFeb 2, 1988
Current commutation circuit
GEN ELECTRIC105 citations96
US4700256AOct 13, 1987
Solid state current limiting circuit interrupter
GEN ELECTRIC62 citations96
US4636907AJan 13, 1987
Arcless circuit interrupter
GEN ELECTRIC78 citations96
US4583146AApr 15, 1986
Fault current interrupter
GEN ELECTRIC96 citations96
US4433326AFeb 21, 1984
Power line communication system using the neutral and ground conductors of a residential branch circuit
GEN ELECTRIC62 citations96
US4408186AOct 4, 1983
Power line communication over ground and neutral conductors of plural residential branch circuits
GEN ELECTRIC122 citations96
US4297741AOct 27, 1981
Rate sensing instantaneous trip mode network
GEN ELECTRIC69 citations96
US4288833ASep 8, 1981
Lightning arrestor
GEN ELECTRIC119 citations96
US4266259AMay 5, 1981
Long-time and short-time overcurrent signal processor for circuit breaker static trip units
GEN ELECTRIC63 citations96
US4168514ASep 18, 1979
Combination circuit breaker-lightning arrestor
GEN ELECTRIC63 citations96
US4150411AApr 17, 1979
Ground fault circuit interrupter utilizing a single transformer
GEN ELECTRIC61 citations96
US5339210AAug 16, 1994
DC circuit interrupter
GEN ELECTRIC40 citations93
US4675776AJun 23, 1987
Bistable undervoltage release circuit for circuit breakers
GEN ELECTRIC25 citations93
US4652962AMar 24, 1987
High speed current limiting circuit interrupter
GEN ELECTRIC28 citations93
US4639933AJan 27, 1987
Steering logic circuit for a digital data transceiver
GEN ELECTRIC26 citations93
US4631621ADec 23, 1986
Gate turn-off control circuit for a solid state circuit interrupter
GEN ELECTRIC46 citations93
US4631622ADec 23, 1986
Multiple static trip circuit breaker coordination
GEN ELECTRIC26 citations93
US4609839ASep 2, 1986
Noise inverter circuit for a power line communication system
GEN ELECTRIC26 citations93
US4271447AJun 2, 1981
Power supply for circuit breaker static trip unit
GEN ELECTRIC30 citations93
US4271444AJun 2, 1981
Ground fault trip mode network for static trip circuit breakers
GEN ELECTRIC41 citations93
US4429340AJan 31, 1984
Bargraph displays for static trip circuit breakers
GEN ELECTRIC23 citations82
US4345289AAug 17, 1982
Ground fault circuit interrupting device with improved thyristor triggering
GEN ELECTRIC23 citations82
US4288769ASep 8, 1981
Ambient temperature responsive trip device for static trip circuit breakers
GEN ELECTRIC26 citations82
US3986152AOct 12, 1976
Negative impedance network
GEN ELECTRIC22 citations82
US4725701AFeb 16, 1988
Low voltage vacuum circuit interrupter
GEN ELECTRIC8 citations74
US4717796AJan 5, 1988
Low voltage vacuum circuit interrupter
GEN ELECTRIC8 citations74
US4645889AFeb 24, 1987
Varistor quenched arc chute for current limiting circuit interrupters
GEN ELECTRIC17 citations74
US4644309AFeb 17, 1987
High speed contact driver for circuit interruption device
GEN ELECTRIC14 citations74
US4638244AJan 20, 1987
Ground connection monitor
GEN ELECTRIC18 citations74
US4636906AJan 13, 1987
Solid state circuit interruption employing a stored charge power transistor
GEN ELECTRIC12 citations74
US4620122AOct 28, 1986
Piezoelectric contact driver for circuit interrupters
GEN ELECTRIC8 citations74
US4598187AJul 1, 1986
Current limiting circuit breaker
GEN ELECTRIC8 citations74
US4583232AApr 15, 1986
Carrier current digital data transceiver
GEN ELECTRIC19 citations74
US4578653AMar 25, 1986
Frequency selective filter circuit
GEN ELECTRIC9 citations74
US4428019AJan 24, 1984
Ground fault circuit interrupting device with improved integrated circuit power supply
GEN ELECTRIC17 citations74
US4348708ASep 7, 1982
Ground fault circuit interrupting device with improved coordination of electronic circuit operation
GEN ELECTRIC9 citations74
US4274121AJun 16, 1981
Target circuit for circuit breaker static trip unit
GEN ELECTRIC9 citations74
US4216516AAug 5, 1980
Portable ground fault protector
GEN ELECTRIC17 citations74
US4658227AApr 14, 1987
High speed magnetic contact driver
GEN ELECTRIC14 citations72
US4717798AJan 5, 1988
Low voltage vacuum circuit interrupter
GEN ELECTRIC4 citations63
US4705923ANov 10, 1987
Low voltage vacuum circuit interrupter
GEN ELECTRIC5 citations63
US4698607AOct 6, 1987
High speed contact driver for circuit interruption device
GEN ELECTRIC4 citations63
US4687950AAug 18, 1987
Thyristor commutation circuit
GEN ELECTRIC5 citations63
US4667071AMay 19, 1987
Low voltage vacuum circuit interrupter
GEN ELECTRIC2 citations63
US4656324AApr 7, 1987
Current limiting circuit interrupter
GEN ELECTRIC2 citations63
US4656445AApr 7, 1987
High speed contact driver
GEN ELECTRIC3 citations63
US4646041AFeb 24, 1987
High speed contact driver for circuit interruption device
GEN ELECTRIC2 citations63
US4583066AApr 15, 1986
Thermal release for flux shift trip unit within static trip circuit breakers
GEN ELECTRIC4 citations63
Showing the top 50 of 53 patents by PatentIndex Score.