Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4941510 | Relay valve for pneumatic or hydraulic application | Wolfgang D. Pohl, Helmut Ulrich | 1990-07-17 |
| 4926907 | Relay valve for pneumatic or hydraulic application | Wolfgang D. Pohl, Helmut Ulrich | 1990-05-22 |
| 4666217 | Load controller brake force controller for pneumatic motor vehicle or motor vehicle trailer brake systems | Wolfgang D. Pohl, Helmut Ulrich | 1987-05-19 |
| 4653811 | Relay valve device | Karl-Heinz Deike, Bernd-Joachim Kiel | 1987-03-31 |
| 4640556 | Load-dependent brake pressure regulator for motor vehicle and/or trailer brake systems | Bernd-Joachim Kiel, Helmut Ulrich | 1987-02-03 |
| 4444439 | Apparatus for adjusting a mechanically-controlled, load-dependent braking-power regulator | Bernd-Joachim Kiel, Wolfgang D. Pohl, Helmut Ulrich | 1984-04-24 |
| 4441763 | Variable load controlled fluid brake pressure regulator | Bernd-Joachim Kiel | 1984-04-10 |
| 4361362 | Adapter for testing for leakage in brake force regulating devices in fluid pressure operable brake systems | — | 1982-11-30 |
| 4304441 | Variable load valve device having adjustable bias means to withhold proportional brake control during low level brake requirements | Karl-Heinz Deike, Heinz Konig | 1981-12-08 |
| 4299427 | Adjusting arrangement for variable load valve device | — | 1981-11-10 |
| 4299428 | Automatic load-dependent brake control device having wide range of pressure adjustment | — | 1981-11-10 |