Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10385770 | Check valve for connecting rod of variable compression internal combustion engine and connecting rod with the check valve | Alexander Diehm, Dietmar Schulze | 2019-08-20 |
| 10221760 | Check valve for connecting rod for variable compression internal combustion engine | Dietmar Schulze | 2019-03-05 |