Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10010816 | Filter device for filtering a hydraulic fluid | Valentin Pichlmaier, Tobias Wendel | 2018-07-03 |
| 7497479 | Connecting means and filter device with such a connecting means | — | 2009-03-03 |
| 7367998 | Filter element and method for producing it and tank breather filter with a filter element of this kind | — | 2008-05-06 |
| 7094343 | Filter device | Klaus Deschner, Norbert Breusch | 2006-08-22 |
| 7059481 | Filter element | Stefan Kochert, Bernd Spaeth | 2006-06-13 |
| 6602308 | Air filter | Thomas Carle, Volker Greif, Stefan Kochert, Bernd Spaeth | 2003-08-05 |
| 6306192 | Housing | Volker Greif, Stefan Kochert, Bernd Spaeth | 2001-10-23 |
| 6158471 | Mixing device for changing a fluid into another flowing fluid | Volker Greif, Stefan Kochert, Bernd Spaeth | 2000-12-12 |
| 6090177 | Air filter element with a control tube and divided housing | Ulrich Wittel, Hans Erdmannsdoerfer | 2000-07-18 |
| 5893937 | Air filter especially for cleaning combustion air for internal combustion engines | — | 1999-04-13 |
| 5746794 | Filter for the air in the passenger compartment of a motor vehicle | Hans Hamm | 1998-05-05 |
| 5744770 | Indicating apparatus for indicating a vacuum | Stefan Kochert | 1998-04-28 |
| 5730769 | Air filter with scaling bead freely movable in the radial direction | Guenter Dungs, Peter Fischer, Guenter Thaller | 1998-03-24 |
| 5730942 | Apparatus for measuring the content of foreign substances in a gas stream | Walter Megerle, Gerhard Tritt | 1998-03-24 |
| 5630629 | Fastening element | — | 1997-05-20 |