Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162453 | Piston | Willi Sikorsky | 2021-11-02 |
| 10823109 | Piston for an internal combustion engine | — | 2020-11-03 |
| 7954421 | Lightweight piston | Ralf Buschbeck, Johannes Sperman, Albert Haberl | 2011-06-07 |