Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831899 | Hydraulic control means | — | 1989-05-23 |
| 4811631 | Shifting method for hydrodynamic-mechanical transmission | Lothar Kaspar, Manfred Kalversberg, Gerd Oberpichler, Gottfried Hagemann, Dieter Schmidt | 1989-03-14 |
| RE32175 | (Pneumatic) hydraulic control system for an automatic vehicle transmission | Ferdinand Piech, Heinz Dorpmund, Gerd Oberpilcher, Dieter Schmidt | 1986-06-10 |
| 4501173 | Fluid delivery control device for an automatic transmission | — | 1985-02-26 |
| 4494640 | Hydraulic control device for an automatic transmission | — | 1985-01-22 |
| 4331045 | Pneumatic control system for an automatic vehicle transmission | Ferdinand Piech, Heinz Dorpmund, Gerd Oberpichler, Dieter Schmidt | 1982-05-25 |
| 4313353 | Control system for an automatic transmission | — | 1982-02-02 |
| 4296652 | Hydraulic control for an automatic vehicle transmission | Gerd Oberpichler | 1981-10-27 |