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 patentsUS4503408AMar 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 patentsUS5519561AMay 21, 1996
Circuit breaker using bimetal of thermal-magnetic trip to sense current
EATON CORP212 citations96
US6002313ADec 14, 1999
Molded case circuit breaker with pressure release mechanism
EATON CORP31 citations92
US5805038ASep 8, 1998
Shock absorber for circuit breaker
EATON CORP23 citations91
US5546060AAug 13, 1996
Support plate for a circuit breaker
EATON CORP13 citations74
US5910758AJun 8, 1999
Miniature circuit breaker with shunt trip device
EATON CORP10 citations73
US6411191B1Jun 25, 2002
Current-limiting device employing a non-uniform pressure distribution between one or more electrodes and a current-limiting material
EATON CORP11 citations72
US5436604AJul 25, 1995
Molded case for a miniature circuit breaker
EATON CORP15 citations67
US5436605AJul 25, 1995
Handle barrier in a molded case for a miniature circuit breaker
EATON CORP5 citations63