Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7118808 | Sliding bearing material | Friedrich Harig, Heinz Haardt | 2006-10-10 |
| 6228444 | Method of making tubes out of composite material having high tribological and mechanical characteristics | Emmanuel Edeline, Jean-Francois Cretegny | 2001-05-08 |
| 6186512 | Piston ring | Norbert Deppert, Robert Wieser | 2001-02-13 |
| 6054690 | Heating element, manufacturing process and application | Dominique Petit | 2000-04-25 |
| 5935378 | Apparatus for making tubes out of composite material having high tribological and mechanical characteristics | Emmanuel Edeline, Jean-Francois Cretegny | 1999-08-10 |
| 5665192 | Method of making tubes out of composite material having high tribiological and mechanical characteristics | Emmanuel Edeline, Jean-Francois Cretegny | 1997-09-09 |
| 5655634 | Shock absorbers and vibration dampers; and shock absorbers and vibration dampers with a piston with a piston ring; and a cyclinder with a piston with a piston ring | Manfred Grundei, Norbert Deppert, Robert Wieser | 1997-08-12 |
| 4632947 | Method of producing a polytetrafluorethylene material | — | 1986-12-30 |