Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |