Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5813940 | Transmission clutch control arrangement | Frank Zimmermann | 1998-09-29 |
| 5643116 | Device for determining belt rotational speed of continuously variable transmission | Michael Genzel, Gerhard Hettich | 1997-07-01 |
| 5556346 | Pretensioning force adjustment of continuously variable transmission | Michael Genzel, Gerhard Hettich | 1996-09-17 |
| 5439425 | Method and apparatus for controlling engagement and disengagement of the clutch as a function of displacements between engine and vehicle body | Frank Zimmermann | 1995-08-08 |
| 5389052 | Method of regulating and controlling shifting of gears in an automatic transmission to enhance comfort | Georg Kruse | 1995-02-14 |
| 5261296 | Method for controlling shifting parameters in an automatic transmission | — | 1993-11-16 |