Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4609082 | Double-tube vibration damper unit | Werner Christel | 1986-09-02 |
| 4561164 | Method of making piston rod for shock absorbers | Felix Wossner, Leopold Schopplein | 1985-12-31 |
| 4482036 | Hydropneumatic damping device | Felix Wossner, Ludwig Axthammer, Gunther Heyer | 1984-11-13 |
| 4480730 | Shock absorber unit for vehicles | Manfred Koller, Gunther Handke, Karl Gottwalt, Robert Eusemann | 1984-11-06 |
| 4375843 | Piston-cylinder assembly for a vibration damper unit having an essentially tubular container | Manfred Koller, Erich Jager, Werner Christel | 1983-03-08 |
| 4312499 | Shock absorber assembly with operationally controlled hydraulic-mechanical damping system | Felix Wossner, Gunther Handke, Wilhelm Koch | 1982-01-26 |