Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4577840 | Self-pumping hydropneumatic spring leg or strut with internal level control for motor vehicles | Heinz Knecht, Werner Kuchheuser | 1986-03-25 |
| 4502672 | Self pumping, hydropneumatic, telescopic, spring damping device with internal level regulation | Heinz Knecht, Ewald Kohberg, Karl-Heinz L/o/ hr | 1985-03-05 |
| 4408773 | Self pumping, level regulating apparatus for vehicles, especially automobiles | Heinz Knecht | 1983-10-11 |
| 4368878 | Self pumping, hydropneumatic, telescopic, spring damping device with internal level regulation | Heinz Knecht, Ewald Kohberg, Karl-Heinz Lohr | 1983-01-18 |