Issued Patents 2025
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415153 | Filter element and filter system | Dennis Stark, Klaus-Dieter Ruhland | 2025-09-16 |
| 12416057 | Tube product, hollow carrier of perforating gun and method of manufacturing the tube product | Jozef Balun, Waldemar Engel, Niko Große-Heilmann, Nathalie Weiß-Borkowski | 2025-09-16 |
| 12345224 | Muffler and filter system | Dennis Stark, Klaus-Dieter Ruhland | 2025-07-01 |
| 12330103 | Filter element, element frame of a filter element, filter bellows of a filter element, filter housing, and filter | Klaus-Dieter Ruhland | 2025-06-17 |
| 12292021 | Filter element and air cleaner assembly | Klaus-Dieter Ruhland, Timothy S. Finn | 2025-05-06 |