Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772719 | Hydraulic valve lifter with operating control system | Robert Schmidt, Thomas Stolk, Alexander Von Gaisberg-Helfenberg | 2004-08-10 |
| 6216652 | Method for operating actuators for electromagnetically controlling a valve | Matthias Gramann, Michael Nagel, Reinhard Orthmann, Hans-Peter Schoener, Werner Wiedemann +1 more | 2001-04-17 |