Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |