Norbert Zeller

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Ennetbaden, CH

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Patents Grantslast 30 patents

Information Patent Grant
Drive for a high-tension circuit breaker
- Patent number 4,581,510
- Issue date Apr 8, 1986
- BBC Brown Boveri & Co., Ltd.
- Walter Bischofberger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hydraulic drive for electrical switches
- Patent number 4,343,972
- Issue date Aug 10, 1982
- BBC Brown, Boveri & Company, Ltd.
- Walter Bischofberger
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for monitoring the gas volume of a hydropneuma...
- Patent number 4,275,392
- Issue date Jun 23, 1981
- BBC Brown Boveri & Company Limited
- Walter Bischofberger
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL