Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38917 | Fluid filter with filter bypass valve and sealing surface on filter element side | — | 2005-12-13 |
| 6926825 | Fluid filter with removable central component with additional retainer | — | 2005-08-09 |
| 6921479 | Fluid filter with removable central component with additional retainer | — | 2005-07-26 |
| 6685829 | Fluid filter with a discharge dome that is fixed to the housing | Dieter Baumann | 2004-02-03 |
| 6591807 | Combination comprising a main unit and at least one add-on functional unit | — | 2003-07-15 |
| 6569326 | Fluid filter with a central component which can be assembled | Dieter Baumann | 2003-05-27 |
| 5770054 | Fluid filter with filter bypass valve and sealing surface on filter element side | — | 1998-06-23 |
| 5718825 | Liquid filter, in particular fuel or oil filter | Michael Greive | 1998-02-17 |
| 5688396 | Oil filter including an angled mounting surface | Dieter Baumann | 1997-11-18 |
| 5468386 | Filter assembly and preassembled drain valve unit therefor | — | 1995-11-21 |