Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5016705 | Passenger compartment heating system, in particular bus heating system | Helmut Wulf, Helmut Kreeb | 1991-05-21 |
| 4393922 | Engine unit with lubricant cooling | Helmut Wulf | 1983-07-19 |
| 4389945 | Transverse guide roller arrangement for a track guided vehicle | Hellmuth Binder, Wolfram Meyer, Helmut Wulf | 1983-06-28 |