Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11369907 | Filter cartridge and filter cartridge arrangement | Karsten Schulz, Georg Hirsch, Renate Tapper | 2022-06-28 |
| 9266050 | Filter cartridge | Karsten Schulz, Maik Sieh, Juergen Becker | 2016-02-23 |