Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9808749 | Device for the suction filtration of fluids | Norbert Sann, Stefan Hennes, Michael Sakraschinsky, Alexander Wohlers, Paul F. Seibold | 2017-11-07 |
| 9302207 | Process and apparatus for separating out and removing water present in liquid fuels, especially water from diesel oil | Martin Hager | 2016-04-05 |
| 9228598 | Fluid cooling device with a replenishment circuit | Giuseppe Zeolla | 2016-01-05 |
| 8216467 | Filter element | Michael Sakraschinsky | 2012-07-10 |
| 7967977 | Filter device | — | 2011-06-28 |
| 5622624 | Filter element with expandable metal jacket | Matthias Schwender | 1997-04-22 |