Helmut Wehrberger

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Rottenbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Section insulator for electric railway contact conductors
- Patent number 4,716,261
- Issue date Dec 29, 1987
- Siemens Aktiengesellschaft
- Helmut Wehrberger
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Assembly for the transmission of electrical energy to vehicles
- Patent number 4,572,929
- Issue date Feb 25, 1986
- Siemens Aktiengesellschaft
- Christoph Nitschke
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Trolley wire section insulator with two parallel insulating sliding...
- Patent number 4,406,930
- Issue date Sep 27, 1983
- Siemens Aktiengesellschaft
- Hermann Menhorn
- B60 - VEHICLES IN GENERAL