Ulrich Helfmeier

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic operating arrangement for clutches and the like
- Patent number 7,121,396
- Issue date Oct 17, 2006
- LuK Lamellen und Kupplungsbau Beteiligungs KG
- Axel Rogner
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic operating arrangement for clutches and the like
- Patent number 6,719,115
- Issue date Apr 13, 2004
- LuK Lamellen und Kupplungsbau Beteiligungs KG
- Axel Rogner
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Master cylinder for use in power trains of motor vehicles
- Patent number 6,640,541
- Issue date Nov 4, 2003
- LuK Lamellen und Kupplungsbau Beteiligungs KG
- Ludwig Winkelmann
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Master cylinder for use in power trains of motor vehicles
- Patent number 6,526,868
- Issue date Mar 4, 2003
- LuK Lamellen und Kupplungsbau Beteiligungs KG
- Ludwig Winkelmann
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Master cylinder for use in power trains of motor vehicles
- Patent number 6,446,436
- Issue date Sep 10, 2002
- LuK Lamellen und Kupplungsbau GmbH
- Ludwig Winkelmann
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic operating arrangement for clutches and the like
- Publication number 20070029156
- Publication date Feb 8, 2007
- Axel Rogner
- B60 - VEHICLES IN GENERAL
Information Patent Application
Hydraulic operating arrangement for clutches and the like
- Publication number 20040238313
- Publication date Dec 2, 2004
- Axel Rogner
- B60 - VEHICLES IN GENERAL
Information Patent Application
Master cylinder for use in power trains of motor vehicles
- Publication number 20030097928
- Publication date May 29, 2003
- Luk Lamellen und Kupplungsbau Beteiligungs KG
- Ludwig Winkelmann
- B60 - VEHICLES IN GENERAL
Information Patent Application
Hydraulic operating arrangement for clutches and the like
- Publication number 20030029692
- Publication date Feb 13, 2003
- Luk Lamellen und Kupplungsbau Beteiligungs KG
- Axel Rogner
- B60 - VEHICLES IN GENERAL
Information Patent Application
Master cylinder for use in power trains of motor vehicles
- Publication number 20020116924
- Publication date Aug 29, 2002
- Luk Lamellen und Kupplungsbau GmbH
- Ludwig Winkelmann
- B60 - VEHICLES IN GENERAL