Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11346834 | Method and system for checking an oil for an internal combustion engine, in particular of a motor vehicle | — | 2022-05-31 |
| 8413640 | Emissions cleaning system and method for reducing emissions of internal combustion engines when the engine is switched off | Stefan Mair, Klaus Breuer | 2013-04-09 |