Inventor
WILLS FRANK E
US19 patents
⚠️ This page may combine multiple inventors who share the name “WILLS FRANK E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YORK INT CORP
11 patentsUS5555736ASep 17, 1996
Refrigeration system and method
YORK INT CORP47 citations96
US5460009AOct 24, 1995
Refrigeration system and method
YORK INT CORP61 citations96
US4706180ANov 10, 1987
Pulse width modulated inverter system for driving single phase a-c induction motor
YORK INT CORP76 citations96
US5218283AJun 8, 1993
AC motor drive system with a two phase power supply
YORK INT CORP100 citations95
US5252905AOct 12, 1993
Driving system for single phase A-C induction motor
YORK INT CORP87 citations94
US5838144ANov 17, 1998
Solid state, reduced voltage motor starter enabling equalized input/output volt-amp ratings
YORK INT CORP21 citations92
US5898554AApr 27, 1999
Switch driver circuit
YORK INT CORP36 citations91
US5146147ASep 8, 1992
Ac motor drive system
YORK INT CORP43 citations91
US5136216AAug 4, 1992
Ac motor drive system
YORK INT CORP47 citations91
US5075838ADec 24, 1991
Energy efficient voltage snubber circuit
YORK INT CORP20 citations81
US4864487ASep 5, 1989
Control for three terminal power semiconductor devices
YORK INT CORP8 citations73
BORG WARNER
6 patentsUS4146085AMar 27, 1979
Diagnostic system for heat pump
BORG WARNER137 citations96
US4425539AJan 10, 1984
Control system for AC induction motor
BORG WARNER47 citations92
US4499534AFeb 12, 1985
Control system for controlling an SCR network to regulate three-phase A-C power flow
BORG WARNER24 citations82
US4078393AMar 14, 1978
Control system for controlling the operation of a three-phase load
BORG WARNER27 citations82
US4075865AFeb 28, 1978
Apparatus for controlling condenser pressure in a refrigeration system
BORG WARNER30 citations82
US4146920AMar 27, 1979
Pre-charge circuit for aux-comm inverter
BORG WARNER5 citations63