Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5046530 | Force-balanced lifting valve | Matthias Gossner, Joachim Trenkmann, Lutz Bungeroth, Peter Leu | 1991-09-10 |
| 4561344 | Electro-fluidic control device | Harald Klocke | 1985-12-31 |