Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10711896 | Piston for an internal combustion engine | Ralf Braig, Dieter Emmrich, Eric Erbs, Rainer Fischer, Thomas Hettich +1 more | 2020-07-14 |
| 10352444 | Piston for an internal combustion engine | Markus Walch | 2019-07-16 |
| 9920668 | Filter device | Marco Stifel, Zhang Yuan | 2018-03-20 |
| 9243583 | Piston for an internal combustion engine | — | 2016-01-26 |
| 9212576 | Filter device | Marco Stifel, Zhang Yuan | 2015-12-15 |