Inventor · disambiguated record
Denis Dufournet
Also filed as: DUFOURNET DENIS
31 granted patents·310 citations·filing 1980–2009
97Inventor score
Top patents by PatentIndex Score
31 records- 0183US4330103AEarthquake protectorALSTHOM CGEE·Filed 1980·Granted May 18, 1982·42 cites·1 claims
- 0282US6593538B2High-voltage interrupter device having combined vacuum and gas interruptionALSTOM·Filed 2002·Granted Jul 15, 2003·26 cites·22 claims
- 0374US6744001B2High-voltage circuit-breaker including a valve for decompressing a thermal blast chamberALSTOM·Filed 2003·Granted Jun 1, 2004·17 cites·10 claims
- 0473US4774388ACompressed dielectric gas circuit breakerALSTHOM·Filed 1987·Granted Sep 27, 1988·19 cites·4 claims
- 0571US6849819B2High-voltage or medium-voltage switch device with combined vacuum and gas breakingALSTOM·Filed 2003·Granted Feb 1, 2005·18 cites·19 claims
- 0671US5668360ACircuit-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
- 0767US8816237B2Interrupting chamber for high-voltage circuit breaker with improved arc blow-outDUFOURNET DENIS·Filed 2009·Granted Aug 26, 2014·6 cites·12 claims
- 0862US5001314AHigh tension circuit-breaker having a dielectric gas under pressureALSTHOM GEC·Filed 1989·Granted Mar 19, 1991·12 cites·8 claims
- 0958US6483064B2Insulating blast nozzle for a circuit breakerALSTOM·Filed 2001·Granted Nov 19, 2002·9 cites·6 claims
- 1056US7964816B2Interrupting chamber having two compression chambersAREVA T & D SA·Filed 2006·Granted Jun 21, 2011·2 cites·26 claims
- 1156US6624371B2Circuit-breaker including a channel for emptying the piston-driven compression chamberALSTOM·Filed 2002·Granted Sep 23, 2003·8 cites·4 claims
- 1253US5258590AMedium- or high-tension circuit breaker having abutting arcing contactsALSTHOM GEC·Filed 1992·Granted Nov 2, 1993·11 cites·4 claims
- 1353US5179257AMedium-voltage gas circuit-breakerALSTHOM GEC·Filed 1990·Granted Jan 12, 1993·11 cites·11 claims
- 1451US4754109ACompressed dielectric gas high-tension circuit breakerALSTHOM·Filed 1987·Granted Jun 28, 1988·8 cites·3 claims
- 1550US5162627AMedium or high tension circuit breaker having abutting arcing contactsALSTHOM GEC·Filed 1991·Granted Nov 10, 1992·11 cites·2 claims
- 1650US4992634AMedium tension gas blast circuit breakerALSTHOM GEC·Filed 1990·Granted Feb 12, 1991·9 cites·7 claims
- 1750US4945197AHigh tension circuit breaker including a dielectric gas used for blastingALSTHOM GEC·Filed 1989·Granted Jul 31, 1990·8 cites·7 claims
- 1849US8044318B2Interrupting chamber of a circuit-breaker having two compression volumesAREVA T & D SA·Filed 2008·Granted Oct 25, 2011·2 cites·13 claims
- 1948US6472629B2Puffer switch having a two-volume break chamberALSTOM·Filed 2001·Granted Oct 29, 2002·4 cites·7 claims
- 2048US4880946AHigh-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
- 2146US5600111ACircuit-breaker having low self-compressionGEC ALSTHOM T & D SA·Filed 1995·Granted Feb 4, 1997·10 cites·10 claims
- 2243US5126516APuffer-type medium or high tension circuit breakerALSTHOM GEC·Filed 1991·Granted Jun 30, 1992·7 cites·4 claims
- 2343US4945198AHigh tension circuit breaker with low operating energyALSTHOM SA·Filed 1989·Granted Jul 31, 1990·5 cites·9 claims
- 2442US5373131APuffer circuit-breaker with two concentric interrupting chambersGEC ALSTHOM T & D SA·Filed 1993·Granted Dec 13, 1994·6 cites·7 claims
- 2539US5155313AMedium tension circuit-breakerALSTHOM GEC·Filed 1991·Granted Oct 13, 1992·5 cites·7 claims
- 2638US5160818ASeries-arc high tension circuit-breakerALSTHOM GEC·Filed 1991·Granted Nov 3, 1992·5 cites·5 claims
- 2737US4983791AHigh tension circuit breaker having a dielectric blast gasALSTHOM GEC·Filed 1990·Granted Jan 8, 1991·4 cites·9 claims
- 2836US5155314AMedium or high tension circuit breaker having end-to-end arcing contactsALSTHOM GEC·Filed 1991·Granted Oct 13, 1992·4 cites·1 claims
- 2935US4996399AHigh or medium tension circuit breakerALSTHOM GEC·Filed 1990·Granted Feb 26, 1991·3 cites·4 claims
- 3034US6180907B1Limiter device for a high voltage circuit breaker having a grounded metal tankALSTOM FRANCE SA·Filed 1999·Granted Jan 30, 2001·3 cites·4 claims
- 3133US4996398AMedium tension circuit breaking having high nominal currentALSTHOM GEC·Filed 1990·Granted Feb 26, 1991·2 cites·4 claims
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