Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622841 | Clutch disk | Matthias Diemer, Andreas Orlamünder, Andreas Dau, Johann Spitzhirn, Klaus Seemann | 2003-09-23 |
| 5743367 | Multiple plate friction clutch with axial stop | Klaus Hofmann, Klaus Betten, Jurgen Loibersbeck, Thomas Schubert | 1998-04-28 |
| 5167310 | Hub part for a clutch disc | Matthias Fischer, Harald Jeppe | 1992-12-01 |
| 4667801 | Clutch disc arrangement | Matthias Fischer, Rainer Ziss | 1987-05-26 |
| 4635780 | Clutch disc for a motor vehicle friction clutch | — | 1987-01-13 |