Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9687768 | Filter device | Fabian Wagner, Robert Hasenfratz, Christian Thalmann, Frank Pflueger | 2017-06-27 |
| 9656194 | Filter for filtering fluids, filter cup and filter head | — | 2017-05-23 |
| 9638147 | Filter element with at least one guide crosspiece, filter with a filter element and filter housing of a filter | Robert Hasenfratz, Fabian Wagner, Christian Thalmann, Frank Pflueger, Nadine Sorger +4 more | 2017-05-02 |
| 9592461 | Filter element and fuel filter | Guenter Jokschas | 2017-03-14 |
| 9498744 | Air filter element and air filter | Robert Hasenfratz, Mario Rieger, Joerg Menssen, Michael Harenbrock, Duc Cuong Nguyen +10 more | 2016-11-22 |
| 9415337 | Air filter element and air filter | Robert Hasenfratz, Mario Rieger, Joerg Menssen, Michael Harenbrock, Duc Cuong Nguyen +10 more | 2016-08-16 |
| 9289710 | Filter element and air filter | Robert Hasenfratz, Fabian Wagner, Christian Thalmann, Frank Pflueger, Werner Blossey +4 more | 2016-03-22 |
| 9284925 | Flat filter element of a filter, filter and support device of a filter | Fabian Wagner, Robert Hasenfratz, Christian Thalmann, Frank Pflueger | 2016-03-15 |
| 8858793 | Filter, filter element, fastening housing part of a filter housing and telescopic switching element of a switching device of a releasable detent connection | — | 2014-10-14 |
| 8696894 | Filter element and fuel filter | Guenter Jokschas | 2014-04-15 |
| 8535519 | Filter element and fuel filter | Guenter Jokschas | 2013-09-17 |
| 8128817 | Liquid filter suitable for motor vehicles | — | 2012-03-06 |
| 7192518 | Liquid circuit | — | 2007-03-20 |
| 6893571 | Method and apparatus for storing water separated from fuel | Michael Harenbrock | 2005-05-17 |
| 6645379 | Filter element with a filter medium applied to a support body | Peter Gohle, Christian Thalmann, Holger Stahl, Ralf Poh | 2003-11-11 |
| 6493508 | Fuel filter | — | 2002-12-10 |