Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193402 | Valve seat ring of a gas exchange valve and gas exchange valve | Bernhard Ritter | 2021-12-07 |
| 10519843 | Valve body of a gas exchange valve, gas exchange valve and internal combustion engine | — | 2019-12-31 |