Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7795776 | Oscillation damping system for a stator of an electrical machine | Ulrich Ehehalt, Waldemar Kowalski, Christoph Lehmann, Christoph Richter, Karlheinz Spiess | 2010-09-14 |
| 6918479 | Diaphragm spring for a friction clutch | Martin Pahrisch, Alfred Schraut, Erwin Ziegler, Frank Hirschmann | 2005-07-19 |
| 6877596 | Diaphragm spring for a friction clutch | Martin Pahrisch, Alfred Schraut, Erwin Ziegler, Frank Hirschmann | 2005-04-12 |
| 5454139 | Vacuum cleaner for vehicles | — | 1995-10-03 |