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Michel Perret
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Villeurbanne, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Interrupting chamber of a circuit-breaker having two compression vo...
Patent number
8,044,318
Issue date
Oct 25, 2011
Areva T&D SA
Denis Dufournet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Interrupting chamber having two compression chambers
Patent number
7,964,816
Issue date
Jun 21, 2011
Areva T&T SA
Denis Dufournet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Control device for actuating at least two items of switchgear in co...
Patent number
7,563,161
Issue date
Jul 21, 2009
Areva T & D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-voltage hybrid circuit-breaker
Patent number
7,199,324
Issue date
Apr 3, 2007
Areva T&D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-voltage or medium-voltage switch device with combined vacuum a...
Patent number
6,849,819
Issue date
Feb 1, 2005
Alstom
Michel Tresy
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-voltage circuit-breaker including a valve for decompressing a...
Patent number
6,744,001
Issue date
Jun 1, 2004
Alstom
Denis Dufournet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit-breaker including a channel for emptying the piston-driven...
Patent number
6,624,371
Issue date
Sep 23, 2003
Alstom
Denis Dufournet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-voltage interrupter device having combined vacuum and gas inte...
Patent number
6,593,538
Issue date
Jul 15, 2003
Alstom
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Arc-blasting switch possessing a break chamber with low gas compres...
Patent number
6,489,581
Issue date
Dec 3, 2002
Alstom
Joel Ozil
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Insulating blast nozzle for a circuit breaker
Patent number
6,483,064
Issue date
Nov 19, 2002
Alstom
Denis Dufournet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Double movement high voltage circuit breaker
Patent number
6,342,685
Issue date
Jan 29, 2002
Alstom
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Interrupter with a resistor insertion system having a long insertio...
Patent number
6,239,399
Issue date
May 29, 2001
Alstom France SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Operating mechanism for high-voltage circuit-breakers
Patent number
5,959,274
Issue date
Sep 28, 1999
GEC Alsthom T&D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit breaker having a closure resistance
Patent number
5,955,715
Issue date
Sep 21, 1999
GEC Alsthom T&D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas-filled interrupter with compressible thermal expansion chamber
Patent number
5,939,692
Issue date
Aug 17, 1999
GEC Alsthom T&D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-tension circuit-breaker with damper
Patent number
5,877,465
Issue date
Mar 2, 1999
GEC Alsthom T&D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit breaker having semi-moving piston
Patent number
5,859,399
Issue date
Jan 12, 1999
GEC Alsthom T&D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High voltage circuit breaker with insertion of resistance on closure
Patent number
5,841,614
Issue date
Nov 24, 1998
GEC Alsthom T&D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit-breaker provided with a closure resistance having an insert...
Patent number
5,742,017
Issue date
Apr 21, 1998
GEC Alsthom T&D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit-breaker having two interrupting chambers per pole with driv...
Patent number
5,668,360
Issue date
Sep 16, 1997
GEC Alsthom T&D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Combined-action puffer circuit-breaker
Patent number
5,587,571
Issue date
Dec 24, 1996
GEC Alstom T & D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Puffer circuit-breaker having a pneumatically-locked semi-moving pi...
Patent number
5,567,923
Issue date
Oct 22, 1996
GEC Alsthom T&D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Puffer circuit-breaker with two concentric interrupting chambers
Patent number
5,373,131
Issue date
Dec 13, 1994
GEC Alsthom T&D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Annular electrical contact system, in particular for a circuit-breaker
Patent number
5,328,393
Issue date
Jul 12, 1994
GEC Alsthom T&D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit breaker inertia contact assembly for resistance insertion d...
Patent number
5,302,784
Issue date
Apr 12, 1994
GEC Alsthom T&D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit breaker with triple movement for high or medium voltages
Patent number
5,293,014
Issue date
Mar 8, 1994
GEC Alsthom SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Varistor inserter device for a high-voltage circuit-breaker
Patent number
5,264,671
Issue date
Nov 23, 1993
GEC Alsthom SA
Van Doan Pham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High- and medium-voltage circuit breaker with lower operating energy
Patent number
5,258,589
Issue date
Nov 2, 1993
GEC Alsthom SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Medium- or high-tension circuit breaker having abutting arcing cont...
Patent number
5,258,590
Issue date
Nov 2, 1993
GEC Alsthom SA
Denis Dufournet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Medium-voltage gas circuit-breaker
Patent number
5,179,257
Issue date
Jan 12, 1993
GEC Alsthom SA
Denis Dufournet
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
INTERRUPTING CHAMBER OF A CIRCUIT-BREAKER HAVING TWO COMPRESSION VO...
Publication number
20090090697
Publication date
Apr 9, 2009
AREVA T&D SA
Denis DUFOURNET
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Interrupting Chamber Having Two Compression Chambers
Publication number
20080290069
Publication date
Nov 27, 2008
AREVA T&D SA
Denis Dufournet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Control device for actuating at least two items of switchgear in co...
Publication number
20050247677
Publication date
Nov 10, 2005
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High-voltage hybrid circuit- breaker
Publication number
20050211675
Publication date
Sep 29, 2005
AREVA T&D SA
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High-voltage or medium-voltage switch device with combined vacuum a...
Publication number
20040004796
Publication date
Jan 8, 2004
ALSTOM
Michel Tresy
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High-voltage circuit-breaker including a valve for decompressing a...
Publication number
20030173335
Publication date
Sep 18, 2003
ALSTOM
Denis Dufournet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High-voltage interrupter device having combined vacuum and gas inte...
Publication number
20020195425
Publication date
Dec 26, 2002
ALSTOM
Michel Perret
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Circuit-breaker including a channel for emptying the piston-driven...
Publication number
20020117475
Publication date
Aug 29, 2002
ALSTOM
Denis Dufournet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Insulating blast nozzle for a circuit breaker
Publication number
20010045410
Publication date
Nov 29, 2001
Denis Dufournet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Arc-blasting switch possessing a break chamber with low gas compres...
Publication number
20010035396
Publication date
Nov 1, 2001
Joel Ozil
H01 - BASIC ELECTRIC ELEMENTS