Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12172114 | Air filter comprising a primary air outlet and a secondary air outlet and filter element for same | Matthias Krohlow, Daniel Schmid, Martin Sonntag, Steffen Pfannkuch, Martin Schmid +1 more | 2024-12-24 |
| 11415089 | Air filter with a primary air outlet and a secondary air outlet as well as filter element therefor | Daniel Schmid, Matthias Krohlow, Martin Sonntag, Steffen Pfannkuch, Martin Schmid +1 more | 2022-08-16 |
| 11338237 | Hollow filter element, in particular for gas filtration | Nadine Donauer, Andreas Franz, Marcel Holzwarth, Pedro Miguel Pereira Madeira, Joachim-Paul Krieger +3 more | 2022-05-24 |
| 10946324 | Round filter element, in particular for gas filtration | Torsten Fritzsching, Pascal Neef, Robert Hasenfratz | 2021-03-16 |
| 10773201 | Annular filter element, in particular for gas filtration | Andreas Franz, Torsten Fritzsching, Nadine Donauer, Marcel Holzwarth, Pedro Miguel Pereira Madeira +3 more | 2020-09-15 |
| 10071330 | Filter element, in particular for gas filtration | Robert Hasenfratz, Fabian Wagner, André Roesgen, Christian Thalmann, Frank Pflueger | 2018-09-11 |