Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7846329 | Liquid filter | Dieter Schreckenberger, Rainer Loos, Markus Kolczyk | 2010-12-07 |
| 7553409 | Replaceable liquid filter | Markus Kolczyk, Dieter Schreckenberger, Rainer Loos | 2009-06-30 |
| 6994768 | Cylindrical filter element | Guenter Jokschas, Norbert Strassenberger, Gerhard Vilsmaier, Matthaeus Huber | 2006-02-07 |
| 6852217 | Filter with an annularly constructed filter medium | Guenter Jokschas, Jochen Reyinger | 2005-02-08 |
| 6662954 | Cylindrical filter cartridge with support tube | Renate Gottwald-Grill | 2003-12-16 |
| 6599342 | Filter cartridge | Heinz Andress, Bertram Uebelhoer, Gerhard Mayer, Werner Blossey | 2003-07-29 |
| 6511101 | Snap-on central support tube for a filter element | Bruno M. Sommer | 2003-01-28 |
| 6391193 | Dual filter | — | 2002-05-21 |
| 6039780 | Filter arrangement | Karl-Ernst Hummel, Bruno M. Sommer | 2000-03-21 |
| 5879423 | Air filter for the interior of a motor vehicle | Bruno M. Sommer | 1999-03-09 |
| 5620505 | Filter | Volker Koch, Nikolaus Moser, Bruno M. Sommer, Manfred Wagner | 1997-04-15 |
| 5618324 | Filter insert | Bruno M. Sommer, Thomas Sch urg, Siegfried Rapp, Nikolaus Moser | 1997-04-08 |