Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632466 | Dual-circuit pressure medium brake system | Ingolf Grauel, Egbert Muller, Werner Stumpe | 1986-12-30 |
| 4603919 | Dual control pressure medium brake system | Ingolf Grauel, Egbert Muller, Werner Stumpe | 1986-08-05 |
| 4496192 | Pressure medium brake system | Ingolf Grauel, Gerald Hofer, Werner Stumpe | 1985-01-29 |
| 4240385 | Injection valve for internal combustion engines | — | 1980-12-23 |
| 4225088 | Fuel injection nozzle | Konrad Eckert | 1980-09-30 |