Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10961959 | Filter system with a filter element | Christoph Klink, Christine Oprisch | 2021-03-30 |
| 9664155 | Air induction system having an acoustic resonator | Keat Boon Mah | 2017-05-30 |
| 7658263 | Device for noise transmission in a motor vehicle | Jasris Jasnie, Keat Boon Mah, Sabine Vogt, Marcus Weber | 2010-02-09 |
| 7464788 | Apparatus for transmitting sound in a motor vehicle | Frank Pfeiffer | 2008-12-16 |
| 6520284 | Air intake device comprising a duct section provided with openings | Helmut Spannbauer | 2003-02-18 |
| 6382161 | Air induction system for internal combustion engine | Helmut Spannbauer | 2002-05-07 |
| 6341663 | Silencer with a shunt resonator | Rolf Fuesser | 2002-01-29 |
| 6138628 | Camshaft controller, in particular for use in an induction manifold system for a multi-cylinder internal combustion engine | Volker Ernst, Michael Geiger, Arthur Klotz, Juergen Kosicki, Klaus Rentschler | 2000-10-31 |