Rolf Dethlefsen

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Greensburg, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
High speed vacuum interrupter
- Patent number 4,272,661
- Issue date Jun 9, 1981
- Gould Inc.
- Rolf Dethlefsen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hybrid circuit breaker with varistor in parallel with vacuum interr...
- Patent number 4,204,101
- Issue date May 20, 1980
- Gould Inc.
- Rolf Dethlefsen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Explosively activated fault current limiter
- Patent number 4,176,385
- Issue date Nov 27, 1979
- Electric Power Research Institute, Inc.
- Rolf Dethlefsen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High voltage d-c vacuum interrupter device with magnetic control of...
- Patent number 4,130,781
- Issue date Dec 19, 1978
- Gould Inc.
- Rolf Dethlefsen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High voltage d-c vacuum interrupter device with magnetic control of...
- Patent number 4,130,782
- Issue date Dec 19, 1978
- Gould Inc.
- Rolf Dethlefsen
- H01 - BASIC ELECTRIC ELEMENTS