Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7422199 | Self-pumping hydropneumatic suspension strut unit | Hubert Beck | 2008-09-09 |
| 6796216 | Guide for the piston rod of a piston-cylinder assembly | — | 2004-09-28 |
| 6651547 | Guide for the piston rod of a piston-cylinder assembly | Heinz Knecht | 2003-11-25 |
| 6234462 | Self-pumping hydro-pneumatic spring strut with internal leveling | Hubert Beck, Willi Wortmann | 2001-05-22 |
| 5848677 | Vibration damper for a motor vehicle and a piston cylinder assembly; such as for a vibration damper for a motor vehicle | Hubert Beck, Wilhelm Wortmann | 1998-12-15 |
| 4641872 | Collision damper having a damping piston and a deformable tube connected thereto | Karl-Heinz Lohr, Ewald Kohberg, Wolfgang Dorhmann | 1987-02-10 |
| 4577840 | Self-pumping hydropneumatic spring leg or strut with internal level control for motor vehicles | Theo Meller, Heinz Knecht | 1986-03-25 |