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last 30 patents
Information
Patent Grant
Gas-insulated line with an incorporated power capacitor and circuit...
Patent number
6,091,039
Issue date
Jul 18, 2000
GEC Alsthom T&D SA
Van Doan Pham
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Polymer high voltage current limiters packaged in series
Patent number
5,977,862
Issue date
Nov 2, 1999
GEC Alsthom T&D SA
Van Doan Pham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas-insulated electric cable
Patent number
5,952,606
Issue date
Sep 14, 1999
GEC Alsthom T&D SA
Rene Tixier
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Monitoring device for a gas-insulated cable
Patent number
5,930,415
Issue date
Jul 27, 1999
GEC Alsthom T&D SA
Van Doan Pham
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Joint with a boss for a long distance gas-insulated three-phase cable
Patent number
5,684,270
Issue date
Nov 4, 1997
GEC Alsthom T&D SA
Rene Tixier
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Gas-insulated single-phase cable for transporting electricity
Patent number
5,571,990
Issue date
Nov 5, 1996
GEC Alsthom T&D SA
Van Doan Pham
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Gas-insulated high-tension line for long distances
Patent number
5,571,989
Issue date
Nov 5, 1996
GEC Alsthom T&D SA
Edmond Thuries
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Superconductive coil assembly particularly for a current limiter, a...
Patent number
5,387,890
Issue date
Feb 7, 1995
GEC Alsthom T&D SA
Pascal Estop
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Ultra-high-tension circuit-breaker
Patent number
5,304,760
Issue date
Apr 19, 1994
GEC Alsthom SA
Van Doan Pham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Hybrid circuit-breaker for interrupting currents having high dc com...
Patent number
5,296,661
Issue date
Mar 22, 1994
GEC Alsthom SA
Van Doan Pham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vacuum circuit-breaker equipped with self-diagnosis means
Patent number
5,286,933
Issue date
Feb 15, 1994
GEC Alsthom SA
Van Doan Pham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High rupture capacity circuit-breaker
Patent number
5,276,285
Issue date
Jan 4, 1994
GEC Alsthom SA
Van Doan Pham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
SF.sub.6 circuit breaker having an incorporated capacitor
Patent number
5,266,758
Issue date
Nov 30, 1993
GEC Alsthom SA
Van Doan Pham
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
Surge-limiting circuit breaker
Patent number
5,262,605
Issue date
Nov 16, 1993
GEC Alsthom SA
Van Doan Pham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Superconductor current-limiting apparatus
Patent number
5,250,508
Issue date
Oct 5, 1993
Gel Alsthom SA
Van Doan Pham
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Varistor and resistor device for the interrupting chamber of circui...
Patent number
5,241,294
Issue date
Aug 31, 1993
GEC Alsthom SA
Van Doan Pham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
SF.sub.6 circuit-breaker incorporating both a varistor and a capacitor
Patent number
5,235,147
Issue date
Aug 10, 1993
GEC Alsthom SA
Van Doan Pham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Arc-detecting circuit breaker
Patent number
5,223,682
Issue date
Jun 29, 1993
GEC Alsthom SA
Van Doan Pham
G01 - MEASURING TESTING
Information
Patent Grant
Circuit breaker with varistor-assisted interruption
Patent number
5,170,023
Issue date
Dec 8, 1992
GEC Alsthom SA
Van Doan Pham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Superconductor protected against partial transition
Patent number
5,168,125
Issue date
Dec 1, 1992
GEC Alsthom SA
Thierry Verhaege
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit breaker with an incorporated varistor
Patent number
5,164,559
Issue date
Nov 17, 1992
GEC Alsthom SA
Van Doan Pham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Hybrid current limiter having superconductor windings
Patent number
5,153,804
Issue date
Oct 6, 1992
GEC Alsthom SA
Van Doan Pham
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
High tension circuit breaker having varistors
Patent number
5,124,872
Issue date
Jun 23, 1992
GEC Alsthom SA
Van Doan Pham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High tension DC current-limiting circuit breaker
Patent number
5,121,281
Issue date
Jun 9, 1992
GEC Alsthom SA
Van Doan Pham
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Grounded gas blast circuit breaker/isolating switch with visual ins...
Patent number
5,072,083
Issue date
Dec 10, 1991
GEC Alsthom SA
Edmond Thuries
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Braking resistor for a high tension electrical network
Patent number
4,940,961
Issue date
Jul 10, 1990
Societe Anonyme dite: Alsthom
Edmond Thuries
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Current limiter
Patent number
4,910,626
Issue date
Mar 20, 1990
Societe Anonyme dite: Alsthom
Michel Collet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Sulphur hexafluoride circuit breaker usable at very low outside tem...
Patent number
4,698,468
Issue date
Oct 6, 1987
Alsthom
Van Doan Pham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Sulfur hexafluoride circuit breaker operating in a very low tempera...
Patent number
4,698,469
Issue date
Oct 6, 1987
Alsthom
Van Doan Pham
H01 - BASIC ELECTRIC ELEMENTS