Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10589745 | Drive device for an all-wheel-drive motor vehicle | Steffen Zäpfel, Klaus Wohlrab, Wolfgang Koch, Ferenc Janosi | 2020-03-17 |
| 7641586 | Automatic gearbox with infinitely-variable ratio | Klaus Wohlrab | 2010-01-05 |
| 6929579 | Method for operating a vehicle drive device with device with a continuously variable transmission (cvt) in a brake-engaging mode | Oswin Roeder | 2005-08-16 |
| 5579310 | Method for switching through digital signals | Jürgen Heiles, Franz-Otto Hamborg, Hans-Otto Kersten | 1996-11-26 |