Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223702 | Internal combustion engine | Karl-Jorg Achenbach, Ulrich Bertsch, Jochen Betsch, Thomas Hardt, Hubert Schnupke | 2001-05-01 |
| 6131543 | Oil pan for an internal combustion engine | Karl-Jorg Achenbach, Ulrich Bertsch, Thomas Hardt, Hubert Schnupke | 2000-10-17 |
| 6070563 | Crankcase of an internal combustion engine | Karl-Jorg Achenbach, Ulrich Bertsch, Thomas Hardt, Hubert Schnupke | 2000-06-06 |
| 6065439 | Internal combustion engine | Karl-Jorg Achenbach, Ulrich Bertsch, Thomas Hardt, Hubert Schnupke | 2000-05-23 |