Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11369907 | Filter cartridge and filter cartridge arrangement | Georg Hirsch, Juergen Klaus, Renate Tapper | 2022-06-28 |
| 11235271 | Filter cartridge with venturi nozzle | Stefan Kluck, Sascha SCHUMACHER | 2022-02-01 |