Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12350607 | Filter device | Gerhard Stehle, Michael Sakraschinsky, Sven Peter WOZNIAK, Dirk Schönfeld, John R. Otto +5 more | 2025-07-08 |
| 12201926 | Filter device | Gerhard Stehle, Michael Sakraschinsky | 2025-01-21 |
| 10252208 | Filter element with filter bellows | Johannes GRAD, Margarete Drexler, Kathrin Lichtenwalter, Helmut Brenneis, Anton Kreiner +2 more | 2019-04-09 |
| 9168470 | Filter element of a filter device and filter device | Andrés Moreno Linares, Silke Miess, Gerhard Seidler, Marco Goedecke | 2015-10-27 |