K. Gerd Friedrichs

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Beilngries, DE

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Patents Grantslast 30 patents

Information Patent Grant
Production process for a gasket and tool for performing the process
- Patent number 5,403,532
- Issue date Apr 4, 1995
- Friedhelm Stecher
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making a gasket
- Patent number 5,391,333
- Issue date Feb 21, 1995
- Stecher; Friedhelm
- Friedhelm Stecher
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Thermostatically controlled hydraulic fan clutch
- Patent number 5,134,975
- Issue date Aug 4, 1992
- Tewig GmbH Technische Entwicklungs-Gesellschaft
- K. Gerd Friedrichs
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES