Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662277 | Fuel injection device | Michael Mettner, Thanh-Hung Nguyen-Schaefer | 1997-09-02 |
| 5409089 | Shock absorber | Wolfgang Rapp, Bernd Dittmer, Kurt Engelsdorf, Steffen Schneider, Roland Weisser | 1995-04-25 |
| 5159224 | Vibration motor | Claus Kramer, Karl Haegele | 1992-10-27 |
| 5137125 | Pressure-actuated valve | Karl Troltsch, Rolf Gawlik, Roland Weisser | 1992-08-11 |
| 5121727 | Adjuster for a throttle valve | Claus Kramer, Karl Haegele | 1992-06-16 |
| 4926983 | Hydraulic shock absorber | Peter Zieher, Claus Kramer, Kurt Engelsdorf, Armin Schuelke | 1990-05-22 |
| 4928042 | Circuit arrangement for operating a multi-phase synchronous motor on a direct-voltage system | Klaus-Christoph Harms, Hans-Dieter Schray, Rainer Wirtz | 1990-05-22 |
| 4905798 | Shock absorber | Kurt Engelsdorf, Karl-Heinz Hagele, Quang N. Tran, Peter Zieher | 1990-03-06 |
| 4893699 | Shock absorber | Kurt Engelsdorf, Karl-Heinz Hagele, Quang N. Tran, Peter Zieher | 1990-01-16 |
| 4593222 | Electric control motor | Rainer Burkel | 1986-06-03 |
| 4431953 | Circuit for operating a synchronous motor from a dc supply | Hans-Dieter Schray, Rainer Wirtz | 1984-02-14 |