Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11305346 | Poppet valve and method of its manufacture | Stefan Kellermann, ANTONIUS WOLKING, Oliver Schulze, Andreas Heinek, GUIDO BAYARD +4 more | 2022-04-19 |
| 11286819 | Internally cooled valve with inertial pump | Sebastien Poirot, Frederic Colin | 2022-03-29 |
| 11035261 | Inside-cooled disc valve and a semi-finished product and method for its production | Stefan Kellermann, ANTONIUS WOLKING, Oliver Schulze, Andreas Heinek, GUIDO BAYARD +1 more | 2021-06-15 |
| 11035262 | Internally cooled poppet valve for internal combustion engine | Stefan Kellermann, ANTONIUS WOLKING, Oliver Schulze, Andreas Heinek, GUIDO BAYARD +1 more | 2021-06-15 |