Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7224287 | Method for determining the switching state of a contact and evaluation circuit corresponding thereto | Diethard Runggaldier, Bernhard Streich | 2007-05-29 |
| 4943265 | Device for transmitting an adjustable position of a drivebelt pulley in a continually variable transmission | Holm Schmitt, Fritz Henken, Hartmut Roper | 1990-07-24 |
| 4632230 | Valve system for a hydraulically controlled starting friction clutch | Manfred Bilharz, Fritz Henken, Hartmut Roper, Martin B. Taal, Ernst Kohl +1 more | 1986-12-30 |
| 4618123 | Valve system for a hydraulically controlled starting friction clutch | Manfred Bilharz, Hartmut Roper, Martin B. Taal, Fritz Henken, Ernst Kohl +1 more | 1986-10-21 |