Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7013877 | Pressure control valve, especially for high pressure diesel pumps of injection devices of motor vehicles | Alfred Trzmiel, Friedrich Zapf | 2006-03-21 |
| 6910465 | Throttle valve especially for high-pressure diesel pumps of injection devices of motor vehicles | Alfred Trzmiel, Friedrich Zapf | 2005-06-28 |
| 6833779 | Proportional solenoid valve, preferably proportional throttle valve, especially for high pressure diesel pumps of motor vehicles | Alfred Trzmiel, Friedrich Zapf | 2004-12-21 |
| 6814103 | Solenoid valve, in particular, a pressure control valve | Bernd Urlaub, Friedrich Zapf | 2004-11-09 |
| 6578606 | Solenoid valve, in particular, a pressure control valve | Bernd Urlaub, Friedrich Zapf | 2003-06-17 |
| 6397891 | Hydraulic valve, in particular, adjustable pressure control valve | Bernd Urlaub, Friedrich Zapf, Liebhart Zaiser | 2002-06-04 |
| 6344783 | Electromagnet, specially for actuating valves | Kurt R. Stratil, Andreas Ehrenfels, Frank Kattler, Hans Pauly | 2002-02-05 |
| 6289921 | Hydraulic valve, especially for controlling a camshaft movement in a motor vehicle | Jurgen Rettinger, Robert Schloder | 2001-09-18 |
| 5449186 | Rear wheel steering system | Gerhard Gerl, Franz Lacher, Michael Ulm, Helmut Patze, Reiner Bartholomaus +1 more | 1995-09-12 |