Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669334 | Injection valves for liquid-fuel mixtures and associated processes | Bernhard Bachle, Martin Freitag, Torsten Guth | 1997-09-23 |
| 5607010 | Process for cooling diesel engine exhaust gases | Ralph Schmidt | 1997-03-04 |
| 5179916 | Piston with a rotatable piston top | — | 1993-01-19 |