Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876643 | Diaphragm non-return valve for a compressed air system | Michael Kaufmann, Armin Sieker, Arne Stephan | 2020-12-29 |
| 10259436 | Brake modulator for a compressed air braking system of a vehicle | Karsten-Wilhelm Lüchau, Armin Sieker, Arne Stephan | 2019-04-16 |
| 8075333 | Electric plug connector with guide | Thomas Bolik, Michael Kaufmann, Ulrich Overhage | 2011-12-13 |