Inventor
PERRET MICHEL
FR54 patents
⚠️ This page may combine multiple inventors who share the name “PERRET MICHEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALSTHOM GEC
17 patentsUS5293014AMar 8, 1994
Circuit breaker with triple movement for high or medium voltages
ALSTHOM GEC33 citations93
US5264671ANov 23, 1993
Varistor inserter device for a high-voltage circuit-breaker
ALSTHOM GEC7 citations74
US5258590ANov 2, 1993
Medium- or high-tension circuit breaker having abutting arcing contacts
ALSTHOM GEC11 citations74
US5179257AJan 12, 1993
Medium-voltage gas circuit-breaker
ALSTHOM GEC11 citations74
US5151565ASep 29, 1992
Medium tension circuit breaker
ALSTHOM GEC10 citations74
US5126516AJun 30, 1992
Puffer-type medium or high tension circuit breaker
ALSTHOM GEC7 citations74
US5105058AApr 14, 1992
Dielectric blast gas high voltage circuit breaker with electrical resistance conductor
ALSTHOM GEC14 citations74
US5001314AMar 19, 1991
High tension circuit-breaker having a dielectric gas under pressure
ALSTHOM GEC12 citations74
US4992634AFeb 12, 1991
Medium tension gas blast circuit breaker
ALSTHOM GEC9 citations74
US4945197AJul 31, 1990
High tension circuit breaker including a dielectric gas used for blasting
ALSTHOM GEC8 citations74
US5162627ANov 10, 1992
Medium or high tension circuit breaker having abutting arcing contacts
ALSTHOM GEC11 citations71
US5160818ANov 3, 1992
Series-arc high tension circuit-breaker
ALSTHOM GEC5 citations63
US5155313AOct 13, 1992
Medium tension circuit-breaker
ALSTHOM GEC5 citations63
US5155314AOct 13, 1992
Medium or high tension circuit breaker having end-to-end arcing contacts
ALSTHOM GEC4 citations63
US4996398AFeb 26, 1991
Medium tension circuit breaking having high nominal current
ALSTHOM GEC2 citations63
US4996399AFeb 26, 1991
High or medium tension circuit breaker
ALSTHOM GEC3 citations63
US4983791AJan 8, 1991
High tension circuit breaker having a dielectric blast gas
ALSTHOM GEC4 citations63
GEC ALSTHOM T & D SA
10 patentsUS5841614ANov 24, 1998
High voltage circuit breaker with insertion of resistance on closure
GEC ALSTHOM T & D SA20 citations93
US5668360ASep 16, 1997
Circuit-breaker having two interrupting chambers per pole with drive mechanism and drive rods isolating insert capacitors
GEC ALSTHOM T & D SA26 citations92
US5955715ASep 21, 1999
Circuit breaker having a closure resistance
GEC ALSTHOM T & D SA10 citations74
US5939692AAug 17, 1999
Gas-filled interrupter with compressible thermal expansion chamber
GEC ALSTHOM T & D SA9 citations74
US5859399AJan 12, 1999
Circuit breaker having semi-moving piston
GEC ALSTHOM T & D SA10 citations74
US5742017AApr 21, 1998
Circuit-breaker provided with a closure resistance having an insertion assembly
GEC ALSTHOM T & D SA14 citations74
US5877465AMar 2, 1999
High-tension circuit-breaker with damper
GEC ALSTHOM T & D SA6 citations63
US5567923AOct 22, 1996
Puffer circuit-breaker having a pneumatically-locked semi-moving piston
GEC ALSTHOM T & D SA6 citations63
US5373131ADec 13, 1994
Puffer circuit-breaker with two concentric interrupting chambers
GEC ALSTHOM T & D SA6 citations63
US5302784AApr 12, 1994
Circuit breaker inertia contact assembly for resistance insertion during opening and closing operations
GEC ALSTHOM T & D SA3 citations63
ALSTOM
7 patentsUS6593538B2Jul 15, 2003
High-voltage interrupter device having combined vacuum and gas interruption
ALSTOM26 citations92
US6744001B2Jun 1, 2004
High-voltage circuit-breaker including a valve for decompressing a thermal blast chamber
ALSTOM17 citations84
US6342685B1Jan 29, 2002
Double movement high voltage circuit breaker
ALSTOM19 citations84
US6849819B2Feb 1, 2005
High-voltage or medium-voltage switch device with combined vacuum and gas breaking
ALSTOM18 citations81
US6624371B2Sep 23, 2003
Circuit-breaker including a channel for emptying the piston-driven compression chamber
ALSTOM8 citations73
US6483064B2Nov 19, 2002
Insulating blast nozzle for a circuit breaker
ALSTOM9 citations73
US6489581B2Dec 3, 2002
Arc-blasting switch possessing a break chamber with low gas compression and reciprocating piston movement
ALSTOM13 citations72
ALSTHOM
6 patentsUS4841788AJun 27, 1989
Energy storage device with zero latching force
ALSTHOM22 citations81
US4774388ASep 27, 1988
Compressed dielectric gas circuit breaker
ALSTHOM19 citations74
US4754109AJun 28, 1988
Compressed dielectric gas high-tension circuit breaker
ALSTHOM8 citations74
US4650941AMar 17, 1987
Compressed gas, high tension circuit breaker, with operating energy assisted by the thermal effect of the arc
ALSTHOM18 citations74
US4650942AMar 17, 1987
Compressed gas high tension circuit breaker, requiring low operating energy
ALSTHOM9 citations74
US4743721AMay 10, 1988
Circuit breaker actuator device
ALSTHOM3 citations62
AREVA T & D SA
3 patentsUS7563161B2Jul 21, 2009
Control device for actuating at least two items of switchgear in co-ordinated manner, one of which items performs interruption in a vacuum
AREVA T & D SA22 citations93
US7199324B2Apr 3, 2007
High-voltage hybrid circuit-breaker
AREVA T & D SA18 citations84
US7964816B2Jun 21, 2011
Interrupting chamber having two compression chambers
AREVA T & D SA2 citations63
ALSTHOM SA
3 patentsUS4880946ANov 14, 1989
High-or medium-tension compressed-gas circuit breaker taking circuit-breaking energy from the arc
ALSTHOM SA7 citations74
US4952759AAug 28, 1990
Control device for controlling a circuit breaker
ALSTHOM SA6 citations63
US4945198AJul 31, 1990
High tension circuit breaker with low operating energy
ALSTHOM SA5 citations63
ALSTOM FRANCE SA
1 patentALSTHOM ATLANTIQUE
1 patentGEC ALSTOM T & D SA
1 patentVICTORINOX AG
1 patentShowing the top 50 of 54 patents by PatentIndex Score.