Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10252208 | Filter element with filter bellows | Johannes GRAD, Margarete Drexler, Helmut Brenneis, Anton Kreiner, Marius Panzer +2 more | 2019-04-09 |
| 8992652 | Filtering device, in particular diesel particulate filter | Arndt-Udo Rolle, Frank Ehlen, Jochen Linhart, Nadine Dietsch | 2015-03-31 |
| 8745856 | Method for producing a ceramic filter element | Jochen Linhart, Sabine Otterbach, Michael Micke, Karin Gerlach | 2014-06-10 |
| 8668757 | Method for producing a ceramic filter element and filter element | Andreas Franz, Jochen Linhart, Holger Findeisen, Kathrin Fischer, Sabine Otterbach | 2014-03-11 |
| 8518143 | Method for producing a ceramic filter element and filter element | Jochen Linhart, Sabine Otterbach | 2013-08-27 |