Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974936 | Hydraulic controller for hydraulically actuated liftable and lowerable hook of crane | Heinz Henning Hoppmann, Christian Stammen | 2021-04-13 |
| 8006492 | Hydraulic steering system and method | Andreas Bootz | 2011-08-30 |