Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632244 | Spark-ignition piston engine with facilities for changing the inlet direction of the fuel-air mixture | Helmut Endres, Rainer Wurms | 1997-05-27 |
| 5323645 | Device to investigate the flow movement in cylindrical components | Helmut Endres, Michael Breuer | 1994-06-28 |
| 5094210 | Intake and fuel/air mixing system for multi-cylinder, externally ignited internal combustion engines | Helmut Endres, Helmut Thone | 1992-03-10 |