Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7310876 | Method for making a piston body | Rainer Schmitt | 2007-12-25 |
| 7178237 | Piston for a piston-cylinder arrangement, in particular a shock absorber piston | Antonio Casellas | 2007-02-20 |
| 6928923 | Piston with supporting connector elements for a piston-cylinder arrangement, in particular a shock absorber piston | — | 2005-08-16 |
| 6591948 | Piston with support webs for a piston-cylinder arrangement, in particular a shock absorber piston | Antonio Casellas | 2003-07-15 |
| 6481336 | Piston with pressure-dependent sealing effect for a piston-cylinder arrangement, in particular a shock absorber piston | — | 2002-11-19 |
| 6450084 | Piston with piston ring | Hans-Joachim Betsch | 2002-09-17 |
| 6101713 | Method of calibrating a pre-formed recess | Antonio Casellas | 2000-08-15 |
| 5259294 | Shock-absorbing piston made up of dissimilar joined parts, blank for the piston and method for manufacturing the piston | — | 1993-11-09 |
| 4830152 | Shock absorber piston | Max-Otto Rauert, Heinrich Sporenberg, Jurgen Doench | 1989-05-16 |