Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4660532 | Supercharged internal combustion engine with heat exchanger for the combustion air | — | 1987-04-28 |
| 4442803 | Light metal cylinder head for internal combustion engines | — | 1984-04-17 |
| 4387678 | Light metal cylinder head for internal combustion engines | — | 1983-06-14 |
| 4386735 | Apparatus for heating an operator's cabin | Achim Z. Nieden | 1983-06-07 |
| 4380971 | Internal combustion engine having a retarder | Leo Lichtblau, Friedemann Albers, Dieter Esche | 1983-04-26 |
| 4377989 | Air-cooled internal combustion engine having a cooling air blower driven by a hydraulic coupling | Achim zur Nieden, Peter Sost | 1983-03-29 |
| 4371112 | Auxiliary air heater | — | 1983-02-01 |
| 4363301 | Braking device for a four-cycle engine of a vehicle | Hugo Stock | 1982-12-14 |
| 4359026 | Internal combustion engine having rods for controlling twist pattern in combustion air supplied to valve chambers | Dieter Holthausen, Klaus Henke, Hugo Stock | 1982-11-16 |
| 4356796 | Cooling system for hydronamic retarder of internal combustion engine | — | 1982-11-02 |
| 4273082 | Cooling system for vehicle drive | — | 1981-06-16 |
| 4236492 | Internal combustion engine having a supercharger and means for cooling charged air | — | 1980-12-02 |
| 4228655 | Internal combustion engine and a method of operation thereof | Otto Herschmann, Norbert Zernig, Dieter Holthausen, Hugo Stock | 1980-10-21 |