Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12311307 | Filter element for use in a filter and filter having a filter element | Norbert Maier, Martin Thomas Horstman, III | 2025-05-27 |
| 12138571 | Seal arrangement for a filter, in particular a compressed air filter, and filter element for a filter | Norbert Maier, Martin Thomas Horstman, III | 2024-11-12 |
| D941421 | Filter element | Albrecht Kruse, Norbert Maier, Stefan Gehret | 2022-01-18 |