Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5971117 | Piston-cylinder aggregate with displacement-dependent dampening force field | Manfred Grundei, Harald Holzapfel | 1999-10-26 |
| 5615756 | Shock absorber for a motor vehicle, which shock absorber has a piston valve | Manfred Grundei | 1997-04-01 |
| 5018631 | Hoist device for a load hanging on hoist ropes, in particular a container-crane | — | 1991-05-28 |
| 4993524 | Damping valve unit for a hydraulic oscillation damper | Manfred Grundei | 1991-02-19 |
| 4201246 | Pressure accumulator | Alfred Wirth, Klaus Mackert, Franz Diehl, Klaus Splett | 1980-05-06 |