Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12128343 | Filter arrangement and method | Sieghard Pietschner, Roland EDLERHERR | 2024-10-29 |
| 11130079 | Filter insert of a fuel filter, filter insert, and fuel filter | Sieghard Pietschner, Marcus Wegmann, Andreas Schüttpelz | 2021-09-28 |