Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746174 | Method and brake system for traction slip control | — | 1988-05-24 |
| 4736994 | Circuit configuration for controlling the braking pressure of a slip-controlled brake system for all-wheel driven automotive vehicles | Helmut Fennel, Hans Wupper, Norbert Ehmer | 1988-04-12 |
| 4729608 | Method and circuit configuration for controlling an anti-lock brake system for automotive vehicles with all-wheel drive | Helmut Fennel, Hans Wupper, Johannes Graeber, Norbert Ehmer | 1988-03-08 |
| 4723412 | Hydraulic brake system for automotive vehicles | — | 1988-02-09 |
| 4693522 | Process and circuit arrangement for adapting slip control to the momentary friction value | Hans Wupper | 1987-09-15 |