Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12257540 | Filter element | — | 2025-03-25 |
| 10639565 | Method for producing a filter element | — | 2020-05-05 |
| 9827515 | Conductive filter element and filter device having a filter element | Giuseppe Galifi | 2017-11-28 |
| 8696857 | Method for forming a filter mat | — | 2014-04-15 |
| 7462282 | Filter element and method for the production thereof | Michael Sakraschinsky | 2008-12-09 |
| 7018493 | Method for producing a connection interface in a filter element and device for producing the same | Gerd Altmeyer, Jurgen Lang | 2006-03-28 |
| 6949155 | Filter element comprising an embossed weld connection clip and device for producing the same | Jurgen Lang, Michael Sakraschinsky | 2005-09-27 |
| 6863758 | Method of assembling plastic filter element with plastic casing | Gerd Altmeyer, Herbert Mohr, Ute Lehmann | 2005-03-08 |
| 6347712 | Filter | Michael Sakraschinsky | 2002-02-19 |
| 6117312 | Filter bypass valve having adjustable spring biasing force | Michael Sakraschinsky | 2000-09-12 |