Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8960170 | Internal combustion engine | Leszek Goerlich, Stefan Ruppel | 2015-02-24 |
| 8893688 | Device for venting a crank space | Stefan Ruppel, Leszek Goerlich | 2014-11-25 |
| 8607767 | Device for ventilating a crankcase | Stefan Ruppel, Klaus Beetz, Andreas Enderich, Gerd Kissner | 2013-12-17 |
| 8485164 | Oil mist separator | Stefan Ruppel, Nic Sautter, Leszek Goerlich, Ulrich Hütter | 2013-07-16 |
| 8439022 | Ventilation device for a forced induction internal combustion engine | Stefan Ruppel, Mirko Braun, Robert Dunsch | 2013-05-14 |
| 8393315 | Crank case ventilator | Stefan Ruppel | 2013-03-12 |
| 8388713 | Oil mist separator | Andreas Enderich, Michael Feil, Wolfgang Früh, Ulrich Hütter, Stefan Ruppel +1 more | 2013-03-05 |
| 8191538 | Deaerating and aerating device for a supercharged internal combustion engine | Mirko Braun, Robert Dunsch, Stefan Ruppel | 2012-06-05 |
| 7913676 | Internal combustion engine | Tobias Breuninger, Hartmut Sauter | 2011-03-29 |
| 7850754 | Device for separating a gas-liquid mixture, in particular during ventilation of a crankcase of an internal combustion engine | Stefan Ruppel | 2010-12-14 |
| 7799109 | Device for separating a gas-liquid mixture | Robert Dunsch, Andreas Enderich, Leszek Goerlich, Stefan Ruppel | 2010-09-21 |