Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427654 | Device for changing the control timing of the gas exchange valves of an internal combustion engine, in particular a hydraulic camshaft adjustment device of the rotary piston type | Hermann Golbach, Martin Steigerwald, Jens Schafer, Joachim Dietz | 2002-08-06 |
| 6374785 | Arrangement for rotary angle positioning of a camshaft relative to the crank shaft of an internal combustion engine | Jens Schafer, Martin Steigerwald | 2002-04-23 |
| 6363897 | Device for changing the control timing of the gas exchange valves of an internal combustion engine, in particular a hydraulic camshaft adjustment device of the rotary piston type | Martin Scheidt, Jens Schafer, Martin Steigerwald | 2002-04-02 |