Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11052342 | Pocket filter element | Maik Sieh, Felix Herberg | 2021-07-06 |
| 10220344 | Filter cartridge comprising a weld seam | Karsten Schulz, Georg Hirsch, Andreas Krahmer, Rainer Kaffenberger | 2019-03-05 |
| 6143046 | Filter cartridge having vibratable diaphragm | Uwe Visel | 2000-11-07 |
| 5954848 | Filter cartridge and method for its manufacture | Rainer Otto | 1999-09-21 |
| 4318335 | Pressure control valve | Wolfgang Geiss | 1982-03-09 |