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 patentsUS5210685AMay 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