Welter; Roland
Patent Applications and Registrations
Patent applications and USPTO patent grants for Welter; Roland.The latest application filed is for "piston-cylinder arrangement, in particular a slave cylinder for a hydraulic clutch actuating device".
- Welter; Roland - Buehl DE
- Welter; Roland - 77815 Buehl DE
- Welter; Roland - Buhl DE
| Patent | Date |
|---|---|
| Piston cylinder arrangement, in particular a slave cylinder for a hydraulic clutch actuating device Grant 9,939,065 - Welter , et al. April 10, 2 | 2018-04-10 |
| Piston-cylinder Arrangement, In Particular A Slave Cylinder For A Hydraulic Clutch Actuating Device App 20150247575 - Welter; Roland ; et al. | 2015-09-03 |
| Hydraulic system Grant 7,950,321 - Welter , et al. May 31, 2 | 2011-05-31 |
| Hydraulic system Grant 7,946,630 - Popp , et al. May 24, 2 | 2011-05-24 |
| Hydraulic actuation system Grant 7,465,252 - Welter , et al. December 16, 2 | 2008-12-16 |
| Hydraulic operating arrangement for clutches and the like App 20070029156 - Rogner; Axel ; et al. | 2007-02-08 |
| Hydraulic system App 20060266032 - Welter; Roland ; et al. | 2006-11-30 |
| Hydraulic operating arrangement for clutches and the like Grant 7,121,396 - Rogner , et al. October 17, 2 | 2006-10-17 |
| Hydraulic system Grant 7,107,768 - Welter , et al. September 19, 2 | 2006-09-19 |
| Hydraulic actuation system App 20060100061 - Welter; Roland ; et al. | 2006-05-11 |
| Hydraulic system App 20050217265 - Popp, Udo ; et al. | 2005-10-06 |
| Hydraulic operating arrangement for clutches and the like App 20040238313 - Rogner, Axel ; et al. | 2004-12-02 |
| Master cylinder Grant 6,810,787 - Welter , et al. November 2, 2 | 2004-11-02 |
| Hydraulic system App 20040168439 - Welter, Roland ; et al. | 2004-09-02 |
| Hydraulic operating systems for clutches and the like Grant 6,769,254 - Heller , et al. August 3, 2 | 2004-08-03 |
| 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 App 20030014970 - Welter, Roland ; et al. | 2003-01-23 |
| Master cylinder for use in power trains of motor vehicles App 20020116924 - Winkelmann, Ludwig ; et al. | 2002-08-29 |
| Hydraulic operating systems for clutches and the like App 20020119055 - Heller, Jean-Francois ; et al. | 2002-08-29 |
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