Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9803772 | Valve device for a hydraulic circuit and oil pump control apparatus | Rolf Lappan, Lukas Romanowski | 2017-10-31 |
| 9784142 | Spring arrangement for a variable valve drive of an internal combustion engine | Karsten Grimm, Martin Nowak, Sabine Siebrandt | 2017-10-10 |