Guy St-Jean

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Longueuil, CA

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Patents Grantslast 30 patents

Information Patent Grant
Surge arrester
- Patent number 4,989,115
- Issue date Jan 29, 1991
- Hydro-Quebec
- Michel Bourdages
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Enclosure for electric device, in particular for surge arrester, in...
- Patent number 4,827,370
- Issue date May 2, 1989
- Hydro-Quebec
- Guy St-Jean
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Puffer type liquefied-gas self-injection circuit breaker
- Patent number 4,736,080
- Issue date Apr 5, 1988
- Hydro-Quebec
- Guy St-Jean
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Modular suction-gas-cooled magnetic blast circuit breaker
- Patent number 4,401,870
- Issue date Aug 30, 1983
- Hydro-Quebec
- Guy St-Jean
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit for testing protection devices
- Patent number 4,157,496
- Issue date Jun 5, 1979
- Guy St-Jean
- G01 - MEASURING TESTING