Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8042512 | Piston for an internal combustion engine and method for its production | — | 2011-10-25 |
| 7971355 | Method for attaching a ring element to a piston for an internal combustion engine | — | 2011-07-05 |
| 7946216 | Two-part piston for an internal combustion engine | Bernd Mahr | 2011-05-24 |