Martin Kerkau

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Otisheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for variable valve timing in an internal combusti...
- Patent number 6,343,578
- Issue date Feb 5, 2002
- Dr. Ing. h.c.F Porsche AG
- Martin Kerkau
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Defect recognition device for internal-combustion engines and proce...
- Patent number 6,050,250
- Issue date Apr 18, 2000
- Dr. Ing. h.c.F. Porsche AG
- Martin Kerkau
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Valve timing for internal-combustion engines
- Patent number 5,931,124
- Issue date Aug 3, 1999
- Dr. Ing. h.c.F. Porsche AG
- Martin Kerkau
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS