Issued Patents All Time
Showing 25 most recent of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12377379 | Filter element, housing for a filter system, and filter system comprising a filter element and a housing | Kevin KOHN | 2025-08-05 |
| 12233369 | Air filter element having a circumferentially protruding clean air seal, filter housing and air filter | Torsten Fritzsching, Philipp Hettkamp, Arthur Sudermann, Friedrich Kupfer, Mario Rieger | 2025-02-25 |
| 12134061 | Filter system having a primary and a secondary filter element and secondary filter element for such a filter system | Bharatesh Alagouda, Joachim Schuldt, Deepthi Burugina Raviprakash, Mridul Sharma | 2024-11-05 |
| 12070707 | Filter element, housing for a filter system, and filter system comprising a filter element and a housing | Friedrich Kupfer, Arthur Sudermann | 2024-08-27 |
| 12011685 | Filter element, filter system comprising a filter element, and method | Torsten Fritzsching, Philipp Hettkamp | 2024-06-18 |
| 11959443 | Filter element and filter system having a filter element | Torsten Fritzsching, Philipp Hettkamp, Arthur Sudermann, Friedrich Kupfer, Mario Rieger | 2024-04-16 |
| 11938434 | Filter element and filter system | — | 2024-03-26 |
| 11938435 | Round filter element, in particular for gas filtration | Irmgard Thalmann | 2024-03-26 |
| 11857903 | Cover for a filter system, seal for a cover, and filter system comprising a cover | Torsten Fritzsching, Philipp Hettkamp, Mario Rieger | 2024-01-02 |
| 11833462 | Filter element, in particular for gas filtration | Klaus Gehwolf, Thomas Sieber, Joachim-Paul Krieger, Werner Blossey, Philipp Hettkamp +5 more | 2023-12-05 |
| 11633686 | Round filter element, in particular for gas filtration | Nadine Donauer, Philipp Hettkamp, Torsten Fritzsching, Pedro Miguel Pereira Madeira | 2023-04-25 |
| 11247159 | Round filter element, in particular for gas filtration | Nadine Donauer, Philipp Hettkamp, Arthur Sudermann, Torsten Fritzsching, Mario Rieger +1 more | 2022-02-15 |
| 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 |
| 10753321 | Hollow filter element, filter housing, and filter | Nadine Sorger, Pedro Miguel Pereira Madeira | 2020-08-25 |
| D890316 | Air filter element | Pedro Miguel Pereira Madeira, Nadine Donauer | 2020-07-14 |
| 10702820 | Filter element, in particular for gas filtration | Pedro Miguel Pereira Madeira, Michael Heim, Nadine Donauer, Martin Wuebbeling | 2020-07-07 |
| 10561969 | Filter element having supporting elements, filter having a filter element, and filter housing of a filter | Nadine Sorger, Mario Rieger, Werner Blossey, Markus Nefzer, Robert Hasenfratz +1 more | 2020-02-18 |