Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427447 | Treatment device for treating in particular liquid fluids, and treatment unit and connection head of a treatment device | Christian Thalmann, Mike MAERTZ, Hemanth Kumar VENKATESH NAYAK, Ludwig Bammersperger | 2025-09-30 |
| 11890567 | Filter holder, filter element and filter arrangement | Dennis Stark, Beate Brandt, Manfred Winter, Karlheinz Muenkel, Volker Greif | 2024-02-06 |
| 11541336 | Filter element, filter system comprising a filter element, and method for producing a filter element | Dennis Stark | 2023-01-03 |
| 11148088 | Filter element with an oblique sealing plane | Martin Wuebbeling, Beate Brandt, Karlheinz Muenkel | 2021-10-19 |
| 10583383 | Filter element with an oblique sealing plane | Martin Wuebbeling, Beate Brandt, Karlheinz Muenkel | 2020-03-10 |
| 10427080 | Filter holder, filter element and filter arrangement | Dennis Stark, Beate Brandt, Manfred Winter, Karlheinz Muenkel, Volker Greif | 2019-10-01 |
| 9498744 | Air filter element and air filter | Robert Hasenfratz, Mario Rieger, Joerg Menssen, Michael Harenbrock, Pascal Neef +10 more | 2016-11-22 |
| 9415337 | Air filter element and air filter | Robert Hasenfratz, Mario Rieger, Joerg Menssen, Michael Harenbrock, Pascal Neef +10 more | 2016-08-16 |
| 8888882 | Filter mechanism for internal combustion engines | Steffen Ackermann, Ralf Bauder | 2014-11-18 |
| 8632617 | Filter having a drainage connection | Karlheinz Münkel, Stefan Becker | 2014-01-21 |
| 8246702 | Filter mechanism for internal combustion engines | Steffen Ackermann, Ralf Bauder | 2012-08-21 |
| 8202341 | Filter | Stefan Becker, Karlheinz Münkel, Steffen Ackermann | 2012-06-19 |
| 7918997 | Filter system | Klemens Dworatzek, Ralf Bauder, Karlheinz Muenkel | 2011-04-05 |
| 7744758 | Liquid filter | Klemens Dworatzek, Ralf Bauder, Karlheinz Muenkel | 2010-06-29 |
| 7635429 | Fluid filter element | Ralf Bauder, Michael Wolf, Karlheinz Muenkel, Joachim Stinzendoerfer, Oliver Scherer +1 more | 2009-12-22 |
| 5165269 | Electronic flux gate compass calibration technique | — | 1992-11-24 |