Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4738104 | Hydraulic power system | Wolfgang Hahmann | 1988-04-19 |
| 4355655 | Hydraulic control apparatus for load independent flow regulation | Siegfried Hertell, Horst Kahl, Siegfried Hoffmann | 1982-10-26 |
| 4303091 | Hydraulic control apparatus for load independent flow regulation | Siegfried Hertell, Horst Kahl | 1981-12-01 |