Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8616047 | Method for the activation of a tank venting valve of a motor vehicle during a leak test | Oliver Grunwald, Wolfgang Ludwig | 2013-12-31 |
| 8333109 | Method and device for diagnosing an injection valve, connected to a fuel rail, of an internal combustion engine | Carlos Eduardo Migueis, Michael Stahl | 2012-12-18 |
| 8280611 | Method for adapting a drag coefficient of a flow control valve | Christoph Förster | 2012-10-02 |
| 8104452 | Method for carrying out a high-pressure start of an internal combustion engine, control facility and internal combustion engine | Martin Bretl, Benoit Chapuis, Martin Cwielong | 2012-01-31 |
| 8091529 | Regulating method for a volume control | Christoph Förster | 2012-01-10 |
| 7918213 | Control method for an internal combustion engine | Andreas Althof, Stefan Fuehling, Wolfgang Mai, Knut Meyer, Jens Pache | 2011-04-05 |
| 7690364 | Method for determining the injection correction when checking the tightness of a tank ventilation system | Oliver Grunwald, Hong Zhang | 2010-04-06 |
| 7458246 | Method for functionally testing a filling level sensor | Oliver Grunwald | 2008-12-02 |
| 7404394 | Method and device for operating an internal combustion engine | Wolfgang Mai, Jens Pache | 2008-07-29 |
| 7128057 | Device for determining fuel quality and corresponding method | Hong Zhang | 2006-10-31 |
| 7096113 | Method for controlling a regeneration valve of a fuel vapor retention system | Wolfgang Ludwig | 2006-08-22 |
| 6374812 | Method of regenerating an activated-carbon canister | — | 2002-04-23 |