Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6715456 | Variable valve control comprising a sliding-block part and a free travel | Stefan Dengler | 2004-04-06 |
| 6571764 | Direct injection internal combustion engine | Alfred Ottowitz, Ralf Budack, Thomas Rieger, Murat Serifsoy | 2003-06-03 |
| 6378490 | Direct injection internal combustion engine | Alfred Ottowitz, Thomas Rieger, Dietmar Wermuth, Thomas Schladt, Murat Serifsoy +2 more | 2002-04-30 |
| 5632244 | Spark-ignition piston engine with facilities for changing the inlet direction of the fuel-air mixture | Helmut Endres, Heinz-Jakob Neusser | 1997-05-27 |