Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162984 | Device for detecting electrical currents on or near electrical conductors | Peter Zahlmann, Josef Birkl, Thomas Böhm, Johannes Maget, Arnd Ehrhardt +1 more | 2021-11-02 |
| 11145477 | Short-circuiting device for use in low-voltage and medium-voltage systems for the protection of property and persons | Arnd Ehrhardt | 2021-10-12 |