Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11311936 | Valve seat ring | Dirk Emde, Ingwar Hunsche, Robert Hammelmann, Christian Blecking, Anna Seyfarth | 2022-04-26 |
| 10208636 | Highly thermally conductive valve seat ring | Dirk Emde, Anna Seyfarth, Thomas Lelgermann | 2019-02-19 |
| 9988951 | Double/triple-layer valve guide | Ingwar Hunsche, Christian Blecking, Dirk Emde | 2018-06-05 |
| 9702277 | Highly thermally conductive valve seat ring | Dirk Emde, Anna Seyfarth, Thomas Lelgermann | 2017-07-11 |
| 6039785 | Material for the powder-metallurgical production of shaped parts, in particular valve seat rings or valve guides with high resistance to wear | Kirit Dalal, Anil V. Nadkarni | 2000-03-21 |