Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10245536 | Filter head and threaded metal nozzle insert | Lutz Haala | 2019-04-02 |
| 9175636 | Cylinder head cover | Edwin Hartmann, Michael Kreisig, Stefan Ruppel, Jan Scheffel, Falk Schneider +1 more | 2015-11-03 |
| 8439022 | Ventilation device for a forced induction internal combustion engine | Stefan Ruppel, Mirko Braun, Yakup Özkaya | 2013-05-14 |
| 8191538 | Deaerating and aerating device for a supercharged internal combustion engine | Mirko Braun, Stefan Ruppel, Yakup Özkaya | 2012-06-05 |
| 7845322 | Cylinder head cover | Stefan Ruppel, Torsten Schellhase | 2010-12-07 |
| 7799109 | Device for separating a gas-liquid mixture | Andreas Enderich, Leszek Goerlich, Stefan Ruppel, Yakup Özkaya | 2010-09-21 |