Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11826688 | Filter device, in particular for gas filtration | Mario Rieger, Stefan Kunze, Ulrich Dehnen, Johannes Stuerner, Markus Beylich | 2023-11-28 |
| 11633686 | Round filter element, in particular for gas filtration | Pascal Neef, Nadine Donauer, Philipp Hettkamp, Torsten Fritzsching | 2023-04-25 |
| 11471807 | Filter housing for a filter device | Mario Rieger, Stefan Kunze, Ulrich Dehnen, Johannes Stuerner, Markus Beylich | 2022-10-18 |
| 11338235 | Filter device comprising a filter element in a filter housing | Mario Rieger, Stefan Kunze, Ulrich Dehnen, Johannes Stuerner, Markus Beylich | 2022-05-24 |
| 11338237 | Hollow filter element, in particular for gas filtration | Christoph Wittmers, Nadine Donauer, Andreas Franz, Marcel Holzwarth, Joachim-Paul Krieger +3 more | 2022-05-24 |
| 11219855 | Filter module comprising a filter element in a filter housing | Mario Rieger, Stefan Kunze, Ulrich Dehnen, Johannes Stuerner, Markus Beylich | 2022-01-11 |
| 11192054 | Filter element, in particular for gas filtration | Mario Rieger, Stefan Kunze, Ulrich Dehnen, Johannes Stuerner, Markus Beylich | 2021-12-07 |
| 10946323 | Round filter element, in particular for gas filtration | Pascal Neef, Nadine Donauer, Philipp Hettkamp, Torsten Fritzsching | 2021-03-16 |
| 10898842 | Filter element, in particular for gas filtration | Torsten Fritzsching, Andreas Franz, Nadine Donauer, Martin Gruber, Joachim-Paul Krieger +2 more | 2021-01-26 |
| 10881998 | Filter device, in particular gas filter | Nadine Donauer | 2021-01-05 |
| 10837414 | Hollow filter element, filter housing and filter | Marcel Holzwarth, Nadine Sorger | 2020-11-17 |
| 10753321 | Hollow filter element, filter housing, and filter | Nadine Sorger, Pascal Neef | 2020-08-25 |
| 10702820 | Filter element, in particular for gas filtration | Pascal Neef, Michael Heim, Nadine Donauer, Martin Wuebbeling | 2020-07-07 |
| 10436155 | Air filter, filter element and filter housing of an air filter | Pascal Neef, Nadine Sorger, Irmgard Thalmann | 2019-10-08 |
| 10239005 | Filter housing, hollow filter element and filter | — | 2019-03-26 |
| 7758018 | Flap valve for closing and opening a channel | — | 2010-07-20 |