Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10220344 | Filter cartridge comprising a weld seam | Karsten Schulz, Georg Hirsch, Andreas Krahmer, Hans Wiegand | 2019-03-05 |
| 7135052 | Cassette filter | Michael Meierhoefer, Renate Tapper, Thomas Caesar, Heiko Knust, Thorsten Schmitt +1 more | 2006-11-14 |
| 6398838 | Filter cartridge arrangement | — | 2002-06-04 |