Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143070 | Muffler for an exhaust system of an internal combustion engine | — | 2021-10-12 |
| 9990913 | Method of generating a drive signal for a loudspeaker arranged in a motor vehicle, an exhaust system for an engine and a sound system for a passenger cell | Gerhard Zintel | 2018-06-05 |
| 9984670 | Method of influencing the exhaust noise of a motor vehicle and exhaust system for a motor vehicle | Gerhard Zintel, Dennis Boennen, Tobias Schindele | 2018-05-29 |
| 7503544 | Flap valve for a motor vehicle exhaust system | Yohann Rouaud, Matthias Hildebrand | 2009-03-17 |
| 6732511 | Exhaust flap | Frank Jürgen Lehringer, Gerhard Zintel, Gerhard Olejniczak | 2004-05-11 |