Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11458424 | Filter device | Bernhard Schlichter, Jörg Hermann Gerstner | 2022-10-04 |
| 11278826 | Filter apparatus | Manfred Deutschmeyer | 2022-03-22 |
| 9744486 | Filter device | Bernhard Schlichter, Ralf Wnuk, Christian Gessner | 2017-08-29 |