Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921555 | Piston for an internal combustion engine and method for its production | Arnold Benz, Helmut Kollotzek, Markus Leitl, Sven Schilling, Ernst Limbach | 2011-04-12 |
| 7900551 | Piston for an internal combustion engine | Arnold Benz, Helmut Kollotzek, Markus Leitl, Sven Schilling, Ernst Limbach | 2011-03-08 |
| 7305960 | Piston for an internal combustion engine | — | 2007-12-11 |
| 5065706 | Cooled plunger piston for internal combustion engines | — | 1991-11-19 |