Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7976603 | Filter housing | Ralf Bauder | 2011-07-12 |
| 7918997 | Filter system | Ralf Bauder, Karlheinz Muenkel, Duc Cuong Nguyen | 2011-04-05 |
| 7784836 | Air filter connecting unit | Ralf Bauder | 2010-08-31 |
| 7744758 | Liquid filter | Ralf Bauder, Karlheinz Muenkel, Duc Cuong Nguyen | 2010-06-29 |
| 7604128 | Filter apparatus | Ralf Bauder | 2009-10-20 |
| 7501004 | Filter element | Thomas Tschech, Frank Skudlarz, Sascha Bauer, Klaus Arnegger, Michael Fasold +1 more | 2009-03-10 |
| 7481926 | Filter device | — | 2009-01-27 |
| 7442222 | Filter housing composed of first and second releasably connected sections | Ralf Bauder | 2008-10-28 |
| 7258718 | Filter element, particularly for cleaning combustion air | Bertram Uebelhoer, Ralf Ohm | 2007-08-21 |
| 7017563 | Valve for controlling a fluid flow | Karlheinz Muenkel | 2006-03-28 |
| 7004986 | Filter in a filter housing | Edvard Kopec, Manfred Winter, Volker Greif, Marion Hartmann, Karlheinz Muenkel +2 more | 2006-02-28 |
| 6918939 | Filter device | Karlheinz Muenkel, Marion Hartmann | 2005-07-19 |
| 6884273 | Multicell cyclone and method for producing it | Edvard Kopec, Volker Greif, Jens Haehn, Marion Hartmann | 2005-04-26 |
| 6792925 | Filter device | Karlheinz Muenkel, Marion Hartmann | 2004-09-21 |
| 6711524 | Method and apparatus for monitoring service-intensive replaceable parts in an assembly | Michael Wolf, Christian Thalmann, Volker Pluecker, Torsten Oberdorfer, Horst Escher +2 more | 2004-03-23 |
| 6579448 | Liquid filter with a bypass valve | — | 2003-06-17 |