Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7891463 | Active muffler | Jan Krüger, Manfred Muller, Georg Wirth | 2011-02-22 |
| 7849960 | Silencer | Manfred Nicolai, Jan Krüger | 2010-12-14 |
| 7651316 | Conveying member, especially rotor or stator, for conveying a flowable, preferably gaseous medium | Jan Krüger, Manfred Nicolai, Thomas Rose | 2010-01-26 |
| 7533759 | Active muffler for an exhaust system | Jan Krueger | 2009-05-19 |
| 7293627 | Active exhaust muffler | Jan Krüger | 2007-11-13 |