Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8216451 | Apparatus for the filtration of liquids | Stefan Gross, Gunder Guckes | 2012-07-10 |
| 8114284 | Filter cartridge and apparatus for the filtration of liquids | Stefan Gross, Gunder Guckes | 2012-02-14 |
| 8025802 | Filter cartridge and apparatus for the filtration of liquids | Stefan Gross, Gunder Guckes | 2011-09-27 |