Holger Steffen

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Stuttgart, DE

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic valve lifter with operating control system
- Patent number 6,772,719
- Issue date Aug 10, 2004
- DaimlerChrysler AG
- Robert Schmidt
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method for operating actuators for electromagnetically controlling...
- Patent number 6,216,652
- Issue date Apr 17, 2001
- DaimlerChrysler AG Stuttgart
- Matthias Gramann
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic valve lifter with operating control system
- Publication number 20040050351
- Publication date Mar 18, 2004
- Robert Schmidt
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES