Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 7584651 | Procedure to diagnose a leak in the fuel tank in a fuel tank ventilation system | Martin Streib, Michael Pfeil | 2009-09-08 |
| 7383821 | Apparatus for pumping fuel from a tank to an internal combustion engine, and method for pressure detection | Juergen Gras, Christian Sobottka | 2008-06-10 |
| 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 | Martin Streib, Dieter Lederer | 2007-01-16 |
| 7073376 | Method for testing the functionality of a tank venting system of a motor vehicle having an internal combustion engine | Armin Hassdenteufel, Michael Pfeil, Andreas Mueller | 2006-07-11 |
| 6970775 | Method of tank leak diagnosis | Michael Pfeil, Nicolas Perrot | 2005-11-29 |
| 6889667 | Tank-venting system in a motor vehicle and method for checking the operability of the tank-venting system | Thorsten Fritz, Dieter Lederer | 2005-05-10 |
| 6840234 | Method and arrangement for checking the tightness of a vessel | Dieter Lederer, Sujay Sirur | 2005-01-11 |