Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11959404 | Layer sintered valve seat ring, process for its production, combinations therewith and their use | Andreas Gutmann, Marco Ortlieb, Klaus Wintrich | 2024-04-16 |
| D1021416 | Interdental cleaner | — | 2024-04-09 |
| 11796000 | Sintered bearing bush material, sliding bearing, internal combustion engine and electric motor | Andreas Gutmann, Lilia Kurmanaeva, Klaus Wintrich | 2023-10-24 |
| 11619258 | Sliding bearing, method for producing a sliding bearing, internal combustion engine having a sliding bearing and electric machine having a sliding bearing | Armin Geis, Andreas Gutmann, Lilia Kurmanaeva, Alexander Puck, Klaus Wintrich | 2023-04-04 |
| 11325184 | Method for producing a powder-metallurgical product | Heiko Heckendorn, Lilia Kurmanaeva, Klaus Wintrich | 2022-05-10 |
| 11154930 | Method for producing a porous shaped body | Roland Ruch, Roland Scholl, Klaus Wintrich | 2021-10-26 |
| 11098619 | Method for producing a copper-infiltrated valve seat ring | Heiko Grueneberg, Heiko Heckendorn, Klaus Wintrich | 2021-08-24 |
| 11090720 | Method for producing a powder-metallurgical product | Heiko Heckendorn, Roland Ruch, Rene Suetterle, Klaus Wintrich | 2021-08-17 |
| D927194 | Toothbrush | — | 2021-08-10 |
| 10207319 | Insert part that can be infiltrated | Udo Rotmann, Roland Ruch, Frank Winger | 2019-02-19 |