Karl Gregotsch

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Heimerdingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Air-cooled multi-cylinder internal combustion engine
- Patent number 4,779,588
- Issue date Oct 25, 1988
- Dr. Ing. h.c.F. Porsche Aktiengesellschaft
- Gerhard Ziegler
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Ventilating device for a generator
- Patent number 4,680,493
- Issue date Jul 14, 1987
- Dr. Ing. h.c.F. Porsche Aktiengesellschaft
- Gerhard Ziegler
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Arrangement for limiting radial thermal expansions of cylinders of...
- Patent number 4,640,240
- Issue date Feb 3, 1987
- Dr. Ing. h.c.F. Porsche Aktiengesellschaft
- Gerhard Ziegler
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Suction pipe apparatus for an internal-combustion engine
- Patent number 4,563,984
- Issue date Jan 14, 1986
- Dr. Ing. h.c.F. Porsche Aktiengesellschaft
- Gerhard Ziegler
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS