Inventor
KERFOOT CHARLES S
US20 patents
⚠️ This page may combine multiple inventors who share the name “KERFOOT CHARLES S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
US AIR FORCE
11 patentsUS4893070AJan 9, 1990
Domino effect shunt voltage regulator
US AIR FORCE78 citations96
US4686448AAug 11, 1987
Slewing power supply for programmable phase shifter drive
US AIR FORCE74 citations96
US5162965ANov 10, 1992
Anti crow bar current interrupter for microwave tube transmitters
US AIR FORCE33 citations92
US5070538ADec 3, 1991
Wide band domino effect high voltage regulator
US AIR FORCE23 citations92
US4897617AJan 30, 1990
Domino effect amplifier
US AIR FORCE8 citations74
US4683387AJul 28, 1987
Quadrature switch apparatus for multi mode phase shift drivers
US AIR FORCE12 citations74
US3955169AMay 4, 1976
High power resistor
US AIR FORCE22 citations72
US5122730AJun 16, 1992
Voltage divider for a wide band domino effect high voltage regulator
US AIR FORCE5 citations63
US4939450AJul 3, 1990
Precision high voltage FET pulse sense and clamp apparatus statement of government interest
US AIR FORCE5 citations63
US4698742AOct 6, 1987
High-voltage milberger slip slide power conditioner
US AIR FORCE2 citations58
US4721900AJan 26, 1988
Self-generated converter filter
US AIR FORCE1 citations52
WESTINGHOUSE ELECTRIC CORP
5 patentsUS5032799AJul 16, 1991
Multistage cascode radio frequency amplifier
WESTINGHOUSE ELECTRIC CORP92 citations96
US5469124ANov 21, 1995
Heat dissipating transformer coil
WESTINGHOUSE ELECTRIC CORP62 citations93
US4743785AMay 10, 1988
FET pulse control apparatus with fast rise time and constant pulse level
WESTINGHOUSE ELECTRIC CORP11 citations73
US5111382AMay 5, 1992
High power, high frequency resonant inverter using MOS controlled thyristors
WESTINGHOUSE ELECTRIC CORP7 citations72
US5283463AFeb 1, 1994
High power self commutating semiconductor switch
WESTINGHOUSE ELECTRIC CORP5 citations60
NORTHROP GRUMMAN CORP
3 patentsUS5831409ANov 3, 1998
Electric vehicle propulsion system employing AC induction motor control
NORTHROP GRUMMAN CORP76 citations94
US5581171ADec 3, 1996
Electric vehicle battery charger
NORTHROP GRUMMAN CORP88 citations94
US5634262AJun 3, 1997
Method of manufacturing heat dissipating transformer coil
NORTHROP GRUMMAN CORP21 citations90