Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8181625 | Method for operating an internal combustion engine | Guido Porten, Ruediger Weiss, Markus Amler, Peter Schenk | 2012-05-22 |
| 7481201 | Fuel injection valve | Volker Holzgrefe, Stefan Arndt, Joerg Heyse | 2009-01-27 |
| 7461632 | Method for operating an internal combustion engine | Guido Porten | 2008-12-09 |
| 7021564 | Fuel injection valve | — | 2006-04-04 |