Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9932927 | Cylinder head cover | Stefan Ruppel, Christoph Lohre, Jochen Friz, Stefan Fleck, Siegfried Deiss | 2018-04-03 |
| 9598992 | Separation device for an aerosol stream | Stefan Ruppel, Julius Aktas, Yakup Oezkaya, Ulrich Wiesner, Jan Scheffel | 2017-03-21 |
| 9238980 | Crankcase ventilation device | Dimitri An, Sebastian Barthelmess, Corinna Krampe, Niklas Kull, Yakup Oezkaya +3 more | 2016-01-19 |
| 8960170 | Internal combustion engine | Yakup Özkaya, Stefan Ruppel | 2015-02-24 |
| 8893688 | Device for venting a crank space | Stefan Ruppel, Yakup Özkaya | 2014-11-25 |
| 8733402 | Pressure control valve | Stefan Ruppel, Hartmut Sauter | 2014-05-27 |
| 8485164 | Oil mist separator | Stefan Ruppel, Nic Sautter, Ulrich Hütter, Yakup Özkaya | 2013-07-16 |
| 7799109 | Device for separating a gas-liquid mixture | Robert Dunsch, Andreas Enderich, Stefan Ruppel, Yakup Özkaya | 2010-09-21 |