Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467397 | Constructed piston or piston consisting of components that are welded or soldered together | Dietmar Zaiser | 2002-10-22 |
| 6260473 | Clamping device for a piston to be mounted | Alois Barth, Dieter Messmer | 2001-07-17 |
| 4331736 | Process utilizing release agent | Wolfgang Schafer, Helmer Radisch, Gunther Esser | 1982-05-25 |
| 4237846 | Piston | — | 1980-12-09 |