Issued Patents All Time
Showing 25 most recent of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10451009 | Method for knock control of an internal combustion engine | Carsten Kluth, Li Luo, Marcus Leuz, Stefan Polach, Thorsten Klinkhammer | 2019-10-22 |
| 8706343 | Method for detecting leaks in a tank system | — | 2014-04-22 |
| 8529659 | Diagnosis of the operability of fuel vapour intermediate stores | Andreas Pape, Andreas Baumann, Werner Haeming | 2013-09-10 |
| 8215158 | Procedure and device for determining the vapor pressure of a fuel | — | 2012-07-10 |
| 8167066 | Defined internal combustion engine operation in vehicles having a hybrid drive | Klaus Joos, Kersten Wehmeier, Thomas Huber, Eberhard Schnaibel, Bernd Kesch +4 more | 2012-05-01 |
| 7954361 | Method and apparatus for detecting tank leaks | Peter Schelhas, Manfred Franz, Andreas Posselt, Andreas Baumann, Michael Pfeil +2 more | 2011-06-07 |
| 7849673 | Procedure for heating-up and keeping warm an emission control assembly of a motor vehicle | Karsten Kroepke, Juergen Pantring, Kersten Wehmeier, Jens Wolber, Ruediger Weiss +3 more | 2010-12-14 |
| 7774124 | Method for determining the composition of a fuel blend | Nikolas Poertner | 2010-08-10 |
| 7698041 | Method for operating a drive unit | — | 2010-04-13 |
| 7594496 | Method and device for operating a drive unit of a vehicle | Thomas Frenz, Andreas Kufferath | 2009-09-29 |
| 7584651 | Procedure to diagnose a leak in the fuel tank in a fuel tank ventilation system | Karl-Bernhard Lederle, Michael Pfeil | 2009-09-08 |
| 7400955 | Procedure to diagnose a fuel tank ventilation system and device to implement the procedure | Andreas Baumann, Andreas Pape | 2008-07-15 |
| 7162914 | Method and control unit for function diagnosis of a fuel-tank venting valve of a fuel tank system in a motor vehicle in particular | Dieter Lederer, Karl-Bernhard Lederle | 2007-01-16 |
| 7146803 | Method and arrangement for monitoring the operability of a secondary air system | — | 2006-12-12 |
| 7043375 | Method and device for energy-saving leak testing of a fuel tank system, in particular of a motor vehicle | — | 2006-05-09 |
| 6845652 | Method and device for diagnosing tank leaks using a reference measuring method | Volk r Stegmann, Thorsten Fritz, Peter Wiltsch, Armin Hassdenteufel | 2005-01-25 |
| 6820467 | Method and arrangement for checking the tightness of a vessel | — | 2004-11-23 |
| 6820466 | Method and device for conducting a leakage test of a tank system of a vehicle | — | 2004-11-23 |
| 6782873 | Method and device for the low-emission operation of a fuel cell tank system, especially of a motor vehicle | — | 2004-08-31 |
| 6615808 | Method for checking the tightness of an automotive tank system | — | 2003-09-09 |
| 6550315 | Method and arrangement for checking the tightness of a vessel | — | 2003-04-22 |
| 6507198 | Method and arrangement for detecting a fault in the context of measurement quantities in a motor vehicle | — | 2003-01-14 |
| 6460518 | Method for verifying the tightness of a tank system in a motor vehicle | — | 2002-10-08 |
| 6421589 | Method and arrangement for detecting a changing quantity for motor vehicles | Frank Bederna | 2002-07-16 |
| 6401017 | Method and arrangement for detecting a changing quantity for motor vehicles | Frank Bederna | 2002-06-04 |