Issued Patents 2021
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192057 | Secondary element for a filter system and filter system with a secondary element | Joachim Schuldt, Torsten Fritzsching, Prabhu Kumaresan, Mridul Sharma | 2021-12-07 |
| 11117082 | Filter device and round filter element, in particular for gas filtration | Nadine Donauer, Fabian Wagner, Torsten Fritzsching | 2021-09-14 |
| 11117084 | Filter element, in particular for gas filtration | Nadine Donauer | 2021-09-14 |
| 10981098 | Air filter element, in particular for gas filtration | — | 2021-04-20 |
| 10946324 | Round filter element, in particular for gas filtration | Torsten Fritzsching, Robert Hasenfratz, Christoph Wittmers | 2021-03-16 |
| 10946323 | Round filter element, in particular for gas filtration | Nadine Donauer, Philipp Hettkamp, Torsten Fritzsching, Pedro Miguel Pereira Madeira | 2021-03-16 |
| 10940418 | Round filter element having a longitudinally extending cross-sectional shape | Nadine Donauer | 2021-03-09 |
| 10898841 | Filter element, in particular for gas filtration | Klaus Gehwolf, Thomas Sieber, Joachim-Paul Krieger, Werner Blossey, Philipp Hettkamp +5 more | 2021-01-26 |
| 10883456 | Filter element with retaining surfaces, filter with a filter element and filter housing of a filter | Werner Blossey, Mario Rieger, Robert Hasenfratz, Nadine Donauer, Andreas Weber | 2021-01-05 |