Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12263424 | Filter device together with filter element | Michael Sakraschinsky, Stefan Hennes | 2025-04-01 |
| 12109514 | Filter device with an element receptacle having two or more degrees of freedom relative to different axes | Stefan Hennes | 2024-10-08 |
| 10478760 | Filter element with a luminescent marker | Claudia Brocker | 2019-11-19 |
| 10188969 | Filter device | Michael Sakraschinsky | 2019-01-29 |
| 10150064 | Filter apparatus | Michael Sakraschinsky | 2018-12-11 |
| 10080982 | Arrangement for forming a seal | Michael Sakraschinsky, Armin Schmidt | 2018-09-25 |
| 8944091 | System for ventilating and venting containers containing a fluid volume | Michael Sakraschinsky | 2015-02-03 |
| 7815054 | Filter device | Nobert Sann | 2010-10-19 |
| 7464723 | Non-return valve | — | 2008-12-16 |
| 7459078 | Filter device | Joel Daub | 2008-12-02 |
| 7435347 | Filter device and parts thereof and a method for operating of the filter device | — | 2008-10-14 |
| 7181021 | Apparatus for acoustically improving an environment | Andreas RAPTOPOULOS, Dominic Robson, Eugene Scourboutis, Jeremy Hugh Welter | 2007-02-20 |