Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8096513 | Aerodynamic flap of an aircraft having a device which influences the flap vortex | Knut Mau, Michael Grunewald, Johann Reichenberger, Roger Drobietz | 2012-01-17 |
| 7819224 | Assembly for reducing noise in turbofan engines | Roger Drobietz, Roland Uhlig | 2010-10-26 |
| 7758296 | Method for reducing the noise of turbo engines | Roger Drobietz, Thomas Lange | 2010-07-20 |
| 6896219 | Process and apparatus for noise reduction in multi-engine propeller-driven aircraft | Sigurd Haeusler, Michael Bauer, Roger Drobietz, Wolfgang Gleine | 2005-05-24 |
| 6491260 | Noise reducing vortex generators on aircraft wing control surfaces | Roger Drobietz, Michael Gruenewald, Knut Mau, Johann Reichenberger | 2002-12-10 |
| 6244654 | Motor vehicle sunroof with reduced buffeting noise | Ralph Borgwardt, Boris Braehler, Stephan T. Laemmlein | 2001-06-12 |
| 6122387 | Piezoelectric loudspeaker | Kerstin Burckas, Klaus Renger, Engelbert Kusch | 2000-09-19 |
| 5760349 | Acoustic absorber having a slotted horn arranged in a pot | Stephan T. Laemmlein, Peter Bartels | 1998-06-02 |
| 5670758 | Acoustic protection on payload fairings of expendable launch vehicles | Stephan T. Laemmlein, Peter Bartels, Achim Rausch, Markus Faust, Jan A. F. Coebergh +1 more | 1997-09-23 |