Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11311890 | Filter device | Juergen Schmitt, Michael Kaufmann | 2022-04-26 |
| 11311891 | Multi-cyclone separator of a multi-stage fluid filter for cleaning gaseous fluid and multi-stage fluid filter | Michael Kaufmann, Juergen Schmitt | 2022-04-26 |
| 11273402 | Filter element, element frame of a filter element, filter bellows of a filter element, filter housing, and filter | Michael Kaufmann | 2022-03-15 |