Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660041 | Process for adjusting the characteristics of infinitely variable transmissions of a vehicle | Erwin Hartung | 1997-08-26 |
| 5533867 | Method and hydrostatic drive system for operating an adjustable hydrostatic pump | — | 1996-07-09 |
| 5178229 | Control apparatus for vehicles with differential speed steering | — | 1993-01-12 |
| 5145238 | Method of braking a vehicle | Erwin Hartung | 1992-09-08 |
| 5117632 | Method of operating a drive unit | — | 1992-06-02 |
| 5111658 | Method of braking a vehicle | Norbert Fehn | 1992-05-12 |
| 5080062 | Method and apparatus for operating a drive unit | — | 1992-01-14 |
| 5043648 | Method for two-channel safe regulation of an apparatus | — | 1991-08-27 |
| 4884402 | Control and regulating device for a hydrostatic drive assembly and method of operating same | Norbert Fehn | 1989-12-05 |
| 4785777 | Electrical control devices for regulating an internal combustion engine | Gerhard Hock | 1988-11-22 |