Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10596510 | Filter element, in particular for gas filtration | Andreas Kloss, Martin Bottke, Kai Hilarius, Stefan Diersch, Dieter Weiss +1 more | 2020-03-24 |
| 9649585 | Filter system with sensor socket | Klaus-Dieter Ruhland, Michael Kaufmann | 2017-05-16 |
| D785676 | Air filter | Joerg Menssen, Kai Hilarius, Stefan Becker | 2017-05-02 |
| D749641 | Air filter | Joerg Menssen, Kai Hilarius, Stefan Becker | 2016-02-16 |
| 9108132 | Filter insert and filter device | Joerg Menssen, Stefan Becker, Kai Hilarius | 2015-08-18 |
| 9095806 | Filter device | Jörg Menβen, Stefan Becker, Kai Hilarius | 2015-08-04 |
| 8591621 | Filter system | Klaus-Dieter Ruhland, Eric Gillenberg | 2013-11-26 |
| 8287612 | Filter element and filter system | Eric Gillenberg, Friedrich Kupfer, Klaus-Dieter Ruhland | 2012-10-16 |
| 8152876 | Filter element having V-seal | Eric Gillenberg, Klaus-Dieter Ruhland | 2012-04-10 |
| 8147576 | Filter element having serrated seal | Eric Gillenberg, Klaus-Dieter Ruhland | 2012-04-03 |
| 8142533 | Filter element and filter system | Eric Gillenberg, Friedrich Kupfer, Klaus-Dieter Ruhland | 2012-03-27 |
| 7658777 | Filter element and filter system for the intake air of an internal combustion engine | Edvard Kopec, Klaus-Dieter Ruhland, Ralf Poh | 2010-02-09 |
| 7407533 | Active filter element for end face incident flow | — | 2008-08-05 |