Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8733329 | Motor vehicle having an exhaust gas system | Hubert Vollmer | 2014-05-27 |
| 8536769 | Prechamber spark plug | Dieter Kuhnert, Georg Maul | 2013-09-17 |
| 8324792 | Pre-chamber spark plug | Georg Maul, Jens Paesold, Dieter Kuhnert | 2012-12-04 |