Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11615929 | Switching device with at least two intercommunicating extinguishing areas | Andrej Ignatov, Martin Geschke, Johannes Schmid | 2023-03-28 |
| 11600461 | Switch device with contact cover | Johannes Schmid, Daniel Hammerl | 2023-03-07 |
| 9646784 | Arc chamber for a contactor and contactor to extinguish electric arcs | Andrej Ignatov | 2017-05-09 |
| 9558899 | Direct-current contactor with additional switching capability for AC loads and a polarity against the preferential current direction | Andrej Ignatov, Robert Kralik | 2017-01-31 |