Issued Patents 2022
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11524330 | Method for producing a hollow valve for internal combustion engines | Matthias Thorsten, ANTONIUS WOLKING | 2022-12-13 |
| 11525376 | Valve for internal combustion engines having a coating | Carsten Strubbe | 2022-12-13 |
| 11441454 | Valve for internal combustion engines having a guide vane for coolant | Dirk Schober, Stefan Kellermann | 2022-09-13 |
| 11313257 | Cavity valve with optimized shaft interior geometry, and method for producing same | Thorsten Matthias, ANTONIUS WOLKING, Andreas Heinek | 2022-04-26 |
| 11311964 | Internally cooled valve having a valve bottom, and method for the production thereof | Stefan Kellerman, ANTONIUS WOLKING, Luthfi Arief | 2022-04-26 |
| 11305346 | Poppet valve and method of its manufacture | ANDRE MAREAU, Stefan Kellermann, ANTONIUS WOLKING, Oliver Schulze, Andreas Heinek +4 more | 2022-04-19 |
| 11260448 | Method for the production of hollow chamber valves | Thorsten Matthias, ANTONIUS WOLKING, Andreas Heinek | 2022-03-01 |