P

Inventor

MRENNA STEPHEN A

US27 patents
⚠️ This page may combine multiple inventors who share the name “MRENNA STEPHEN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WESTINGHOUSE ELECTRIC CORP

19 patents
US4503408AMar 5, 1985

Molded case circuit breaker apparatus having trip bar with flexible armature interconnection

WESTINGHOUSE ELECTRIC CORP121 citations95
US3950714AApr 13, 1976

Self-adjusting circuit breaker with rotating trip assembly

WESTINGHOUSE ELECTRIC CORP45 citations93
US4725799AFeb 16, 1988

Circuit breaker with remote control

WESTINGHOUSE ELECTRIC CORP46 citations92
US4719438AJan 12, 1988

Circuit breaker with fast trip unit

WESTINGHOUSE ELECTRIC CORP27 citations92
US4691182ASep 1, 1987

Circuit breaker with adjustable magnetic trip unit

WESTINGHOUSE ELECTRIC CORP49 citations92
US4286242AAug 25, 1981

Mechanical interlock for low voltage circuit breakers

WESTINGHOUSE ELECTRIC CORP51 citations92
US4620076AOct 28, 1986

Circuit breaker apparatus with line terminal shields

WESTINGHOUSE ELECTRIC CORP37 citations87
US4698606AOct 6, 1987

Circuit breaker with adjustable thermal trip unit

WESTINGHOUSE ELECTRIC CORP23 citations82
US5008645AApr 16, 1991

Circuit breaker with tamper indicating calibration means

WESTINGHOUSE ELECTRIC CORP19 citations74
US4933653AJun 12, 1990

Circuit breaker with low current magnetic trip

WESTINGHOUSE ELECTRIC CORP15 citations73
US4725800AFeb 16, 1988

Circuit breaker with magnetic shunt hold back circuit

WESTINGHOUSE ELECTRIC CORP13 citations73
US4266210AMay 5, 1981

Circuit breaker with improved arc extinguishing means

WESTINGHOUSE ELECTRIC CORP16 citations73
US4121077AOct 17, 1978

Circuit breaker having improved movable contact position indicator

WESTINGHOUSE ELECTRIC CORP16 citations73
US5193043AMar 9, 1993

Phase sensitivity

WESTINGHOUSE ELECTRIC CORP10 citations72
US3984801AOct 5, 1976

Rejection type fuse clip

WESTINGHOUSE ELECTRIC CORP14 citations70
US5128828AJul 7, 1992

Panelboard circuit breaker mounting assembly

WESTINGHOUSE ELECTRIC CORP9 citations66
US3959754AMay 25, 1976

Circuit breaker with improved trip means

WESTINGHOUSE ELECTRIC CORP6 citations63
US5279487AJan 18, 1994

Bolt-on, duplex circuit breaker rejection assembly

WESTINGHOUSE ELECTRIC CORP4 citations62
US4030060AJun 14, 1977

Thermally adjustable circuit breaker

WESTINGHOUSE ELECTRIC CORP6 citations61

EATON CORP

8 patents