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Patent applications and USPTO patent grants for Helfmeier; Ulrich.The latest application filed is for "hydraulic operating arrangement for clutches and the like".
Patent | Date |
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Hydraulic operating arrangement for clutches and the like App 20070029156 - Rogner; Axel ;   et al. | 2007-02-08 |
Hydraulic operating arrangement for clutches and the like Grant 7,121,396 - Rogner , et al. October 17, 2 | 2006-10-17 |
Hydraulic operating arrangement for clutches and the like App 20040238313 - Rogner, Axel ;   et al. | 2004-12-02 |
Hydraulic operating arrangement for clutches and the like Grant 6,719,115 - Rogner , et al. April 13, 2 | 2004-04-13 |
Master cylinder for use in power trains of motor vehicles Grant 6,640,541 - Winkelmann , et al. November 4, 2 | 2003-11-04 |
Master cylinder for use in power trains of motor vehicles App 20030097928 - Winkelmann, Ludwig ;   et al. | 2003-05-29 |
Hydraulic operating arrangement for clutches and the like App 20030029692 - Rogner, Axel ;   et al. | 2003-02-13 |
Master cylinder for use in power trains of motor vehicles App 20020116924 - Winkelmann, Ludwig ;   et al. | 2002-08-29 |
Light system for an interior of a motor vehicle Grant 5,647,657 - Damasky , et al. July 15, 1 | 1997-07-15 |
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