Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833643 | Magnetic bearing with damping | Christian Beyer, Heinrich Engländer | 2004-12-21 |
| 6736614 | Rotary piston drive mechanism | Rudolf Bahnen, Gunter Knoll | 2004-05-18 |
| 6682324 | Radial turbo-blower | Karl-Heinz Ronthaler, Hans Kriechel | 2004-01-27 |