Inventor
LEONE DAVID A
US45 patents
⚠️ This page may combine multiple inventors who share the name “LEONE DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS ENERGY & AUTOMAT
32 patentsUS6292717B1Sep 18, 2001
Energy information device and graphical display for a circuit breaker
SIEMENS ENERGY & AUTOMAT219 citations98
US6289267B1Sep 11, 2001
Graphical energy information display system having a menu for user selection of energy related information for an AC load control device
SIEMENS ENERGY & AUTOMAT205 citations98
US6038516AMar 14, 2000
Method for graphically displaying a menu for selection and viewing of the load related parameters of a load connected to an AC load control device
SIEMENS ENERGY & AUTOMAT157 citations98
US5490086AFeb 6, 1996
Plug-in ground fault monitor for a circuit breaker
SIEMENS ENERGY & AUTOMAT72 citations95
US6529112B1Mar 4, 2003
Ring tongue lug retainer molded case circuit breaker
SIEMENS ENERGY & AUTOMAT30 citations93
US6034581AMar 7, 2000
Remote controlled circuit breaker
SIEMENS ENERGY & AUTOMAT50 citations93
US6181226B1Jan 30, 2001
Bi-metal trip unit for a molded case circuit breaker
SIEMENS ENERGY & AUTOMAT19 citations92
US5369542ANov 29, 1994
Dual trip circuit for circuit breaker
SIEMENS ENERGY & AUTOMAT32 citations92
US4876424AOct 24, 1989
Barrier with a venting scheme for a circuit breaker
SIEMENS ENERGY & AUTOMAT28 citations92
US5025121AJun 18, 1991
Circuit breaker contact assembly
SIEMENS ENERGY & AUTOMAT67 citations91
US6624375B2Sep 23, 2003
Wire lug/arc vent barrier molded case circuit breaker
SIEMENS ENERGY & AUTOMAT17 citations89
US5004875AApr 2, 1991
Stored energy contact operating mechanism
SIEMENS ENERGY & AUTOMAT27 citations88
US6135633AOct 24, 2000
Method for thermally calibrating circuit breaker trip mechanism and associated trip mechanism
SIEMENS ENERGY & AUTOMAT15 citations82
US5426592AJun 20, 1995
Circuit breaker trip unit which automatically adapts to operated with a particular display module
SIEMENS ENERGY & AUTOMAT19 citations82
US5634554AJun 3, 1997
Interface connection for a circuit breaker plug-in trip unit
SIEMENS ENERGY & AUTOMAT7 citations74
US6396370B2May 28, 2002
Bi-metal trip unit for a molded case circuit breaker
SIEMENS ENERGY & AUTOMAT10 citations73
US6030114AFeb 29, 2000
Method for thermally calibrating circuit breaker trip mechanism and associated trip mechanism
SIEMENS ENERGY & AUTOMAT12 citations73
US4871889AOct 3, 1989
Arcing contact assembly for a circuit breaker
SIEMENS ENERGY & AUTOMAT7 citations73
US5381119AJan 10, 1995
Circuit breaker trip unit interlock
SIEMENS ENERGY & AUTOMAT10 citations72
US5239144AAug 24, 1993
Circuit breaker trip unit interlock
SIEMENS ENERGY & AUTOMAT6 citations72
US6597266B1Jul 22, 2003
External actuator interlock mechanism for circuit breaker
SIEMENS ENERGY & AUTOMAT7 citations71
US5459631AOct 17, 1995
Electronic charging motor controller
SIEMENS ENERGY & AUTOMAT9 citations71
US4914549AApr 3, 1990
Circuit breaker movement mechanism
SIEMENS ENERGY & AUTOMAT14 citations71
US4926016AMay 15, 1990
Moving contact blade barrier
SIEMENS ENERGY & AUTOMAT6 citations68
US5448033ASep 5, 1995
Circuit breaker stationary contact strap
SIEMENS ENERGY & AUTOMAT11 citations66
US4926018AMay 15, 1990
Moving mains arc movement loop
SIEMENS ENERGY & AUTOMAT2 citations62
US4866225ASep 12, 1989
Insulated light weight metallic crossbar in polyphase circuit breaker assemblies for inhibiting arcing
SIEMENS ENERGY & AUTOMAT2 citations62
US6831534B2Dec 14, 2004
External actuator interlock mechanism for circuit breaker
SIEMENS ENERGY & AUTOMAT5 citations60
US6005207ADec 21, 1999
Multi-part circuit breaker housing
SIEMENS ENERGY & AUTOMAT6 citations60
US4899022AFeb 6, 1990
Stored energy operating mechanism charging handle and cover assembly
SIEMENS ENERGY & AUTOMAT2 citations60
US4926019AMay 15, 1990
Moving copper pivot
SIEMENS ENERGY & AUTOMAT6 citations59
US6472965B2Oct 29, 2002
Molded case circuit breaker accessory system
SIEMENS ENERGY & AUTOMAT1 citations50
WESTINGHOUSE ELECTRIC CORP
11 patentsUS4631376ADec 23, 1986
Molded case circuit breaker with an improved arc gas external venting system
WESTINGHOUSE ELECTRIC CORP37 citations93
US4654491AMar 31, 1987
Circuit breaker with contact support and arc runner
WESTINGHOUSE ELECTRIC CORP40 citations92
US4654490AMar 31, 1987
Reverse loop circuit breaker with high impedance stationary conductor
WESTINGHOUSE ELECTRIC CORP36 citations92
US4650940AMar 17, 1987
Circuit breaker with arc gas vent baffle
WESTINGHOUSE ELECTRIC CORP28 citations92
US4639564AJan 27, 1987
Circuit breaker with arc chamber vent
WESTINGHOUSE ELECTRIC CORP32 citations92
US4713637ADec 15, 1987
Stored energy circuit breaker with ratchet mechanism for charging a contact closing spring
WESTINGHOUSE ELECTRIC CORP7 citations74
US4704593ANov 3, 1987
Circuit breaker with adjustable thermal mechanism
WESTINGHOUSE ELECTRIC CORP8 citations74
US4635011AJan 6, 1987
Circuit breaker with arm latch for high interrupting capacity
WESTINGHOUSE ELECTRIC CORP14 citations74
US4594491AJun 10, 1986
Molded case circuit breaker with a trip mechanism having an intermediate latch lever
WESTINGHOUSE ELECTRIC CORP11 citations74
US4581511AApr 8, 1986
Molded case circuit breaker with an improved internal venting system
WESTINGHOUSE ELECTRIC CORP14 citations74
US4563557AJan 7, 1986
Molded case circuit breaker with a movable contact arm shock absorbing member
WESTINGHOUSE ELECTRIC CORP13 citations74