Dietrich Hoffmann

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Kassel-Ki, DE

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Patents Grantslast 30 patents

Information Patent Grant
High voltage disconnect switch employing pre-contact pieces
- Patent number 4,521,654
- Issue date Jun 4, 1985
- Licentia Patent-Verwaltungs- GmbH
- Wolfgang Eberhardt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Puffer-type gas blast switch
- Patent number 4,393,290
- Issue date Jul 12, 1983
- Licentia Patent-Verwaltungs- GmbH
- Gunter Mittelbach
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Puffer-type gas blast switch
- Patent number 4,390,764
- Issue date Jun 28, 1983
- Licentia Patent-Verwaltungs- GmbH
- Karl Kriechbaum
- H01 - BASIC ELECTRIC ELEMENTS