Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898136 | Mixture-compressing internal-combustion engine with a main combustion chamber and an auxiliary combustion chamber | Wolfgang Lutz | 1990-02-06 |
| 4284043 | Method for operating an air-compressing auto-igniting internal combustion engine and injection valve suitable therefor | — | 1981-08-18 |
| 4266727 | Double-needle injection-valve | Hans-Josef Haepp | 1981-05-12 |
| 4224906 | Combustion engine with internal combustion | — | 1980-09-30 |