Inventor · disambiguated record
Michel Perret
Also filed as: PERRET MICHEL
54 granted patents·551 citations·filing 1983–2016
98Inventor score
Top patents by PatentIndex Score
54 records- 0191US7563161B2Control device for actuating at least two items of switchgear in co-ordinated manner, one of which items performs interruption in a vacuumAREVA T & D SA·Filed 2005·Granted Jul 21, 2009·22 cites·16 claims
- 0289US7199324B2High-voltage hybrid circuit-breakerAREVA T & D SA·Filed 2005·Granted Apr 3, 2007·18 cites·14 claims
- 0382US6593538B2High-voltage interrupter device having combined vacuum and gas interruptionALSTOM·Filed 2002·Granted Jul 15, 2003·26 cites·22 claims
- 0481US5293014ACircuit breaker with triple movement for high or medium voltagesALSTHOM GEC·Filed 1992·Granted Mar 8, 1994·33 cites·5 claims
- 0577US10660416B2Wheel arrangement for a suitcaseVICTORINOX AG·Filed 2016·Granted May 26, 2020·5 cites·16 claims
- 0674US6744001B2High-voltage circuit-breaker including a valve for decompressing a thermal blast chamberALSTOM·Filed 2003·Granted Jun 1, 2004·17 cites·10 claims
- 0774US6342685B1Double movement high voltage circuit breakerALSTOM·Filed 2000·Granted Jan 29, 2002·19 cites·7 claims
- 0873US4774388ACompressed dielectric gas circuit breakerALSTHOM·Filed 1987·Granted Sep 27, 1988·19 cites·4 claims
- 0972US4650941ACompressed gas, high tension circuit breaker, with operating energy assisted by the thermal effect of the arcALSTHOM·Filed 1986·Granted Mar 17, 1987·18 cites·8 claims
- 1071US6849819B2High-voltage or medium-voltage switch device with combined vacuum and gas breakingALSTOM·Filed 2003·Granted Feb 1, 2005·18 cites·19 claims
- 1171US5668360ACircuit-breaker having two interrupting chambers per pole with drive mechanism and drive rods isolating insert capacitorsGEC ALSTHOM T & D SA·Filed 1996·Granted Sep 16, 1997·26 cites·2 claims
- 1266US6489581B2Arc-blasting switch possessing a break chamber with low gas compression and reciprocating piston movementALSTOM·Filed 2001·Granted Dec 3, 2002·13 cites·14 claims
- 1366US5841614AHigh voltage circuit breaker with insertion of resistance on closureGEC ALSTHOM T & D SA·Filed 1997·Granted Nov 24, 1998·20 cites·2 claims
- 1466US4841788AEnergy storage device with zero latching forceALSTHOM·Filed 1988·Granted Jun 27, 1989·22 cites·8 claims
- 1566US4471188APneumatic puffer circuit breakerALSTHOM ATLANTIQUE·Filed 1983·Granted Sep 11, 1984·14 cites·6 claims
- 1662US5001314AHigh tension circuit-breaker having a dielectric gas under pressureALSTHOM GEC·Filed 1989·Granted Mar 19, 1991·12 cites·8 claims
- 1758US6483064B2Insulating blast nozzle for a circuit breakerALSTOM·Filed 2001·Granted Nov 19, 2002·9 cites·6 claims
- 1857US5105058ADielectric blast gas high voltage circuit breaker with electrical resistance conductorALSTHOM GEC·Filed 1990·Granted Apr 14, 1992·14 cites·19 claims
- 1956US7964816B2Interrupting chamber having two compression chambersAREVA T & D SA·Filed 2006·Granted Jun 21, 2011·2 cites·26 claims
- 2056US6624371B2Circuit-breaker including a channel for emptying the piston-driven compression chamberALSTOM·Filed 2002·Granted Sep 23, 2003·8 cites·4 claims
- 2155US5742017ACircuit-breaker provided with a closure resistance having an insertion assemblyGEC ALSTHOM T & D SA·Filed 1996·Granted Apr 21, 1998·14 cites·5 claims
- 2254US4650942ACompressed gas high tension circuit breaker, requiring low operating energyALSTHOM·Filed 1986·Granted Mar 17, 1987·9 cites·5 claims
- 2353US5258590AMedium- or high-tension circuit breaker having abutting arcing contactsALSTHOM GEC·Filed 1992·Granted Nov 2, 1993·11 cites·4 claims
- 2453US5179257AMedium-voltage gas circuit-breakerALSTHOM GEC·Filed 1990·Granted Jan 12, 1993·11 cites·11 claims
- 2551US5151565AMedium tension circuit breakerALSTHOM GEC·Filed 1990·Granted Sep 29, 1992·10 cites·4 claims
- 2651US4754109ACompressed dielectric gas high-tension circuit breakerALSTHOM·Filed 1987·Granted Jun 28, 1988·8 cites·3 claims
- 2750US5162627AMedium or high tension circuit breaker having abutting arcing contactsALSTHOM GEC·Filed 1991·Granted Nov 10, 1992·11 cites·2 claims
- 2850US4992634AMedium tension gas blast circuit breakerALSTHOM GEC·Filed 1990·Granted Feb 12, 1991·9 cites·7 claims
- 2950US4945197AHigh tension circuit breaker including a dielectric gas used for blastingALSTHOM GEC·Filed 1989·Granted Jul 31, 1990·8 cites·7 claims
- 3049US8044318B2Interrupting chamber of a circuit-breaker having two compression volumesAREVA T & D SA·Filed 2008·Granted Oct 25, 2011·2 cites·13 claims
- 3148US5955715ACircuit breaker having a closure resistanceGEC ALSTHOM T & D SA·Filed 1998·Granted Sep 21, 1999·10 cites·5 claims
- 3248US4880946AHigh-or medium-tension compressed-gas circuit breaker taking circuit-breaking energy from the arcALSTHOM SA·Filed 1988·Granted Nov 14, 1989·7 cites·6 claims
- 3347US5859399ACircuit breaker having semi-moving pistonGEC ALSTHOM T & D SA·Filed 1997·Granted Jan 12, 1999·10 cites·7 claims
- 3446US6239399B1Interrupter with a resistor insertion system having a long insertion timeALSTOM FRANCE SA·Filed 1999·Granted May 29, 2001·9 cites·6 claims
- 3545US5939692AGas-filled interrupter with compressible thermal expansion chamberGEC ALSTHOM T & D SA·Filed 1998·Granted Aug 17, 1999·9 cites·4 claims
- 3645US4952759AControl device for controlling a circuit breakerALSTHOM SA·Filed 1989·Granted Aug 28, 1990·6 cites·4 claims
- 3743US5126516APuffer-type medium or high tension circuit breakerALSTHOM GEC·Filed 1991·Granted Jun 30, 1992·7 cites·4 claims
- 3843US4945198AHigh tension circuit breaker with low operating energyALSTHOM SA·Filed 1989·Granted Jul 31, 1990·5 cites·9 claims
- 3942US5373131APuffer circuit-breaker with two concentric interrupting chambersGEC ALSTHOM T & D SA·Filed 1993·Granted Dec 13, 1994·6 cites·7 claims
- 4041US5264671AVaristor inserter device for a high-voltage circuit-breakerALSTHOM GEC·Filed 1992·Granted Nov 23, 1993·7 cites·7 claims
- 4139US5877465AHigh-tension circuit-breaker with damperGEC ALSTHOM T & D SA·Filed 1997·Granted Mar 2, 1999·6 cites·3 claims
- 4239US5567923APuffer circuit-breaker having a pneumatically-locked semi-moving pistonGEC ALSTHOM T & D SA·Filed 1995·Granted Oct 22, 1996·6 cites·6 claims
- 4339US5155313AMedium tension circuit-breakerALSTHOM GEC·Filed 1991·Granted Oct 13, 1992·5 cites·7 claims
- 4438US5160818ASeries-arc high tension circuit-breakerALSTHOM GEC·Filed 1991·Granted Nov 3, 1992·5 cites·5 claims
- 4537US4983791AHigh tension circuit breaker having a dielectric blast gasALSTHOM GEC·Filed 1990·Granted Jan 8, 1991·4 cites·9 claims
- 4636US5155314AMedium or high tension circuit breaker having end-to-end arcing contactsALSTHOM GEC·Filed 1991·Granted Oct 13, 1992·4 cites·1 claims
- 4735US4996399AHigh or medium tension circuit breakerALSTHOM GEC·Filed 1990·Granted Feb 26, 1991·3 cites·4 claims
- 4835US4743721ACircuit breaker actuator deviceALSTHOM·Filed 1987·Granted May 10, 1988·3 cites·5 claims
- 4934US5302784ACircuit breaker inertia contact assembly for resistance insertion during opening and closing operationsGEC ALSTHOM T & D SA·Filed 1993·Granted Apr 12, 1994·3 cites·8 claims
- 5033US4996398AMedium tension circuit breaking having high nominal currentALSTHOM GEC·Filed 1990·Granted Feb 26, 1991·2 cites·4 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →