Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5069036 | Exhaust gas line system for a supercharged internal combustion engine | Norbert Andreas Schorn, Richard Bartels, Willi Fendel | 1991-12-03 |
| 4363301 | Braking device for a four-cycle engine of a vehicle | Paul Tholen | 1982-12-14 |
| 4359026 | Internal combustion engine having rods for controlling twist pattern in combustion air supplied to valve chambers | Dieter Holthausen, Klaus Henke, Paul Tholen | 1982-11-16 |
| 4228655 | Internal combustion engine and a method of operation thereof | Otto Herschmann, Norbert Zernig, Dieter Holthausen, Paul Tholen | 1980-10-21 |