Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10958084 | Cascadable multi-charger and method for the operation thereof | Achim Volmer, Martin Schulze, Jan Schöning | 2021-03-23 |
| 10905902 | Blower filter device, respirator system and method | Thomas Pernot, Achim Volmer | 2021-02-02 |