Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837414 | Hollow filter element, filter housing and filter | Nadine Sorger, Pedro Miguel Pereira Madeira | 2020-11-17 |
| 10773201 | Annular filter element, in particular for gas filtration | Andreas Franz, Torsten Fritzsching, Nadine Donauer, Pedro Miguel Pereira Madeira, Christoph Wittmers +3 more | 2020-09-15 |
| 10744444 | Filter Element, in Particular for Gas Filtration, and filter device | Torsten Fritzsching, Pedro Miguel Pereira Madeira, Nadine Donauer, Andreas Franz, Manfred Winter +2 more | 2020-08-18 |