Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10723636 | Purification device and purification method for water utilizing filter cartridges | Fabian Walter, Matthias Grabosch, Sebastian Purmann, Dennis Groesche, Martin Lohrberg | 2020-07-28 |
| 10350525 | Connecting structure for connecting a filter housing to a filter housing retaining structure, cleaning system, filter housing cover for a filter housing and method for connecting a filter housing cover to a filter housing retaining structure | Sebastian Purmann, Richard Brisland | 2019-07-16 |