Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789460 | Multipart cooled piston for a combustion engine | — | 2004-09-14 |
| 6698392 | Single-part cooling channel piston for a combustion engine | Peter Kemnitz | 2004-03-02 |
| 4662326 | Cast piston with fiber-reinforcement | — | 1987-05-05 |
| 4633764 | Aluminum base alloy piston for internal combustion engines with mechanically surface-condensed boss bores | — | 1987-01-06 |
| 4334507 | Piston for an internal combustion engine and method for producing same | Walter Graf, Ladislaus Jakl-Banka, Manfred Rohrle | 1982-06-15 |