Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11938438 | Method and device for filtering contaminated air | Ernst Claussen, Hauke Petersen, Frank Knödler, Sonja Dittscher | 2024-03-26 |
| 11731070 | Filter device | Rainer Matho, Andreas Mueller, Ernst Claussen, Hauke Petersen, Frank Knoedler +1 more | 2023-08-22 |
| 11549704 | Filter device and method for changing a filter element | Rainer Matho, Andreas Mueller, Ernst Claussen, Hauke Petersen, Frank Knoedler +1 more | 2023-01-10 |
| 6088891 | Device for crimping synthetic thread bundles or strips | Andreas Cohrt, Carsten Voigtlaeder | 2000-07-18 |