Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11542851 | Exhaust system | Florin R. Roman, Erik Pietruschka, Sebastian Kneer | 2023-01-03 |
| 9822684 | Exhaust gas duct system for an internal combustion engine | Michael Marquardt-Stammberger | 2017-11-21 |
| 9334785 | Exhaust gas treatment device | Michael Marquardt-Stammberger, Robert Hanitzsch, Joachim Braun | 2016-05-10 |
| 7617909 | Muffler | Thomas Wolf, Arnulf Spieth | 2009-11-17 |