Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11311936 | Valve seat ring | Ekkehard Kohler, Ingwar Hunsche, Robert Hammelmann, Christian Blecking, Anna Seyfarth | 2022-04-26 |
| 10208636 | Highly thermally conductive valve seat ring | Ekkehard Kohler, Anna Seyfarth, Thomas Lelgermann | 2019-02-19 |
| 9988951 | Double/triple-layer valve guide | Ingwar Hunsche, Christian Blecking, Ekkehard Kohler | 2018-06-05 |
| 9702277 | Highly thermally conductive valve seat ring | Ekkehard Kohler, Anna Seyfarth, Thomas Lelgermann | 2017-07-11 |