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Inventor

MAY WILLIAM E

US10 patents
⚠️ This page may combine multiple inventors who share the name “MAY WILLIAM E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIEMENS ENERGY & AUTOMAT

6 patents
US4631625ADec 23, 1986

Microprocessor controlled circuit breaker trip unit

SIEMENS ENERGY & AUTOMAT229 citations96
US4833564AMay 23, 1989

Current sensing relay circuit with adjustable sensitivity and tracking test circuit

SIEMENS ENERGY & AUTOMAT78 citations93
US4947126AAug 7, 1990

Ground fault current rectification and measuring circuit

SIEMENS ENERGY & AUTOMAT25 citations92
US5195009AMar 16, 1993

Current summing arrangement for ground fault detection

SIEMENS ENERGY & AUTOMAT9 citations72
US4630018ADec 16, 1986

Molded case circuit breaker current transformer with spiral bus

SIEMENS ENERGY & AUTOMAT5 citations59
US5136454AAug 4, 1992

Arrangement for providing ground fault protection

SIEMENS ENERGY & AUTOMAT6 citations54

SIEMENS AG

1 patent
US4568899AFeb 4, 1986

Ground fault accessory for a molded case circuit breaker

SIEMENS AG74 citations94

GOULD INC

1 patent
US4105136AAug 8, 1978

Snap-in molded cover assembly for access opening

GOULD INC11 citations72

SIEMENS ENERGY & AUTOMATION

1 patent
US4801910AJan 31, 1989

Magnetic actuating mechanism

SIEMENS ENERGY & AUTOMATION14 citations70

SIEMENS AG ALBIS

1 patent
US4680672AJul 14, 1987

Molded case circuit breaker with front accessible control panel

SIEMENS AG ALBIS15 citations68