P

Inventor

FOX DAVID A

US42 patents
⚠️ This page may combine multiple inventors who share the name “FOX DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WESTINGHOUSE ELECTRIC CORP

29 patents
US4459576AJul 10, 1984

Toroidal transformer with electrostatic shield

WESTINGHOUSE ELECTRIC CORP56 citations96
US4943761AJul 24, 1990

Current limited DC power controller

WESTINGHOUSE ELECTRIC CORP33 citations92
US4933623AJun 12, 1990

Generator voltage regulator power circuit

WESTINGHOUSE ELECTRIC CORP37 citations92
US4901072AFeb 13, 1990

Position detector utilizing gray code format

WESTINGHOUSE ELECTRIC CORP26 citations92
US4754161AJun 28, 1988

Circuit and method for paralleling AC electrical power systems

WESTINGHOUSE ELECTRIC CORP26 citations92
US4404473ASep 13, 1983

Direct current power controller

WESTINGHOUSE ELECTRIC CORP40 citations92
US4766327AAug 23, 1988

Circuit and method for synchronizing power sources in a parallel AC electrical power system

WESTINGHOUSE ELECTRIC CORP24 citations82
US4617622AOct 14, 1986

Switching time correction circuit for electronic inverters

WESTINGHOUSE ELECTRIC CORP25 citations82
US4807106AFeb 21, 1989

Method and circuit for voltage regulation of DC power sources

WESTINGHOUSE ELECTRIC CORP20 citations81
US4086503AApr 25, 1978

Control circuit initiating conduction of an opto-isolator unit

WESTINGHOUSE ELECTRIC CORP26 citations80
US4446417AMay 1, 1984

Voltage regulator for aircraft generators

WESTINGHOUSE ELECTRIC CORP25 citations76
US5073724ADec 17, 1991

Programmable inverse time delay circuit

WESTINGHOUSE ELECTRIC CORP10 citations74
US5017857AMay 21, 1991

Circuit and method for voltage regulation of electric power sources

WESTINGHOUSE ELECTRIC CORP15 citations74
US4970458ANov 13, 1990

AC voltage sensing for voltage regulators

WESTINGHOUSE ELECTRIC CORP10 citations74
US4816756AMar 28, 1989

Circuit and method for statically testing rotating rectifiers in brushless alternators

WESTINGHOUSE ELECTRIC CORP13 citations74
US4797570AJan 10, 1989

Automatic paralleling of AC power sources

WESTINGHOUSE ELECTRIC CORP12 citations74
US4408137AOct 4, 1983

Break-before-make solid state relay

WESTINGHOUSE ELECTRIC CORP9 citations74
US4408131AOct 4, 1983

Optically isolated solid state relay

WESTINGHOUSE ELECTRIC CORP15 citations74
US4188547AFeb 12, 1980

Multi-mode control logic circuit for solid state relays

WESTINGHOUSE ELECTRIC CORP16 citations74
US4933622AJun 12, 1990

Circuit and method for discharging DC filter capacitors

WESTINGHOUSE ELECTRIC CORP7 citations73
US4864214ASep 5, 1989

Solid state power controller

WESTINGHOUSE ELECTRIC CORP19 citations73
US4835652AMay 30, 1989

Bi-directional DC power controller with fault protection

WESTINGHOUSE ELECTRIC CORP14 citations73
US5048065ASep 10, 1991

Method and circuit for controlling the frequency of an electronic inverter

WESTINGHOUSE ELECTRIC CORP8 citations72
US4924372AMay 8, 1990

Single phase rectifier circuit

WESTINGHOUSE ELECTRIC CORP7 citations69
US4029972AJun 14, 1977

Ramping circuit

WESTINGHOUSE ELECTRIC CORP11 citations69
US4988941AJan 29, 1991

Generator voltage regulation with non-linear compensation

WESTINGHOUSE ELECTRIC CORP4 citations63
US4618920AOct 21, 1986

Frequency control circuit

WESTINGHOUSE ELECTRIC CORP5 citations63
US4608626AAug 26, 1986

Electrical inverter with minority pole current limiting

WESTINGHOUSE ELECTRIC CORP3 citations63
US4941075AJul 10, 1990

Timing correction for square wave inverter power poles

WESTINGHOUSE ELECTRIC CORP2 citations62

HAMILTON SUNDSTRAND CORP

3 patents

CLEVELAND CLINIC FOUND

3 patents

NCR CORP

1 patent

BEG MIRZA A

1 patent

VODAFONE IP LICENSING LTD

1 patent

UNIV MICHIGAN REGENTS

1 patent

FOX DAVID A

1 patent

COVIDIEN LP

1 patent

OHNEMUS JASON A

1 patent