Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11938438 | Method and device for filtering contaminated air | Stephan Rickerts, Hauke Petersen, Frank Knödler, Sonja Dittscher | 2024-03-26 |
| 11731070 | Filter device | Rainer Matho, Andreas Mueller, Stephan Rickerts, Hauke Petersen, Frank Knoedler +1 more | 2023-08-22 |
| 11549704 | Filter device and method for changing a filter element | Rainer Matho, Andreas Mueller, Stephan Rickerts, Hauke Petersen, Frank Knoedler +1 more | 2023-01-10 |
| 9557066 | Flow directing device for a cooking appliance | Joachim J. Hylla, Oliver Witt, Yingan Xia, Michael Herner, Thomas Schreiner +3 more | 2017-01-31 |
| 8813689 | Radial fan and a high-pressure cleaning device having a radial fan | Joachim Peetz, Gerd Wegner, Ralph Seitter, Lutz Bauer | 2014-08-26 |