Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11338237 | Hollow filter element, in particular for gas filtration | Christoph Wittmers, Nadine Donauer, Andreas Franz, Pedro Miguel Pereira Madeira, Joachim-Paul Krieger +3 more | 2022-05-24 |
| 11280299 | Filter element for an engine air filter assembly having a nonwoven pre-filter and related method | Jerome Stiger | 2022-03-22 |
| 11149699 | Filter element for an engine air filter assembly having a nonwoven pre-filter and related method | Jerome Stiger | 2021-10-19 |
| 10898842 | Filter element, in particular for gas filtration | Torsten Fritzsching, Pedro Miguel Pereira Madeira, Andreas Franz, Nadine Donauer, Martin Gruber +2 more | 2021-01-26 |
| 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 |
| 9623357 | Tank vent filter with downpipe | Daniel Schmid, Christian Vogt | 2017-04-18 |
| 9566860 | Tank venting filter | Michael Heim, Adriano Horiye | 2017-02-14 |
| 9539895 | Tank venting filter having a constriction in the air inlet area | Daniel Schmid, Florian Keller | 2017-01-10 |
| 9463405 | Filter element and filter assembly | Frank Bartel, Matthias Weller | 2016-10-11 |
| 9149752 | Oil mist separator for separating aerosol oil from an oil-laden gas | Thomas Schleiden, Heinz Fuchs, Juergen Kosicki | 2015-10-06 |