P

Inventor

ROSA JOHN

US18 patents
⚠️ This page may combine multiple inventors who share the name “ROSA JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WESTINGHOUSE ELECTRIC CORP

17 patents
US5210685AMay 11, 1993

Uninterruptible power supply system and load transfer static switch for such a system

WESTINGHOUSE ELECTRIC CORP143 citations97
US5337227AAug 9, 1994

Harmonic neutralization of static inverters by successive stagger

WESTINGHOUSE ELECTRIC CORP43 citations92
US4460861AJul 17, 1984

Control system for machine commutated inverter-synchronous motor drives

WESTINGHOUSE ELECTRIC CORP40 citations92
US4255784AMar 10, 1981

Transformer-rectifier apparatus

WESTINGHOUSE ELECTRIC CORP53 citations92
US4220911ASep 2, 1980

Thyristor tap changer for electrical inductive apparatus

WESTINGHOUSE ELECTRIC CORP35 citations92
US3991352ANov 9, 1976

Apparatus and method for reducing effective inductance in a dynamic braking circuit

WESTINGHOUSE ELECTRIC CORP33 citations91
US4366532ADec 28, 1982

AC/DC or DC/AC Converter system with improved AC-line harmonic reduction

WESTINGHOUSE ELECTRIC CORP48 citations90
US5068774ANov 26, 1991

24-pulse hexagon-type AC/DC static converter

WESTINGHOUSE ELECTRIC CORP20 citations82
US4274135AJun 16, 1981

Gating circuit for high voltage thyristor strings

WESTINGHOUSE ELECTRIC CORP20 citations82
US4638138AJan 20, 1987

High frequency inverter circuit for melting and induction heating

WESTINGHOUSE ELECTRIC CORP21 citations80
US3991354ANov 9, 1976

Variable speed drive for induction motor

WESTINGHOUSE ELECTRIC CORP23 citations75
US4814964AMar 21, 1989

Variable speed a-c drive

WESTINGHOUSE ELECTRIC CORP15 citations74
US4210860AJul 1, 1980

VAR Generator with current sensitive inductance break point

WESTINGHOUSE ELECTRIC CORP12 citations74
US4001670AJan 4, 1977

Static reactive power generating apparatus

WESTINGHOUSE ELECTRIC CORP10 citations74
US4683527AJul 28, 1987

AC/DC or DC/AC converter system with outboard commutation inductors

WESTINGHOUSE ELECTRIC CORP16 citations73
US4358818ANov 9, 1982

Thyristor-controlled AC/DC converter system

WESTINGHOUSE ELECTRIC CORP6 citations62
US4174495ANov 13, 1979

Static current limiting switch with soft forced commutation

WESTINGHOUSE ELECTRIC CORP4 citations62

ROSA JOHN

1 patent