Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10525793 | Method and system for transmitting heat for a vehicle | Christoph Käppner | 2020-01-07 |
| 6632764 | Method for controlling the regeneration of an NOx storage converter | Frank Schulze, Axel Lang | 2003-10-14 |
| 6499291 | Apparatus and method for monitoring NOx storage catalytic converters | Axel Lang, Frank Schulze | 2002-12-31 |
| 5195498 | Tank-venting apparatus as well as a method and arrangement for checking the tightness thereof | Johann Siebler, Stephan Pelters, Andreas Blumenstock, Helmut Denz, Axel Michelet +2 more | 1993-03-23 |