Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11532443 | Switch device with improved permanent magnetic arc extinction | — | 2022-12-20 |
| 11127542 | Electrical switching apparatus comprising an improved arc-quenching device | Daniel Hammerl | 2021-09-21 |
| 10692671 | Switching device with arc extinguishing device and arc guide | — | 2020-06-23 |
| 9991073 | Switching device with permanent-magnetic arc extinguishment | — | 2018-06-05 |
| 9947489 | Electric switching apparatus comprising an improved arc-quenching device | — | 2018-04-17 |
| 9799471 | Multipolar power contactor | — | 2017-10-24 |
| 9558899 | Direct-current contactor with additional switching capability for AC loads and a polarity against the preferential current direction | Korbinian Kreuzpointner, Andrej Ignatov | 2017-01-31 |
| 9224545 | Electric contactor with flywheel drive and method of switching an electric contactor on and/or off | Andrej Ignatov | 2015-12-29 |
| 9224559 | Unidirectionally switching DC contactor | Andrej Ignatov | 2015-12-29 |
| 7417520 | Contactor for direct current and alternating current operation | — | 2008-08-26 |
| 7312811 | Video communication system | James P. Hertrich, Edward L. Polanek | 2007-12-25 |
| 6894238 | Contactor with strand-free, single-interrupting current routing | — | 2005-05-17 |
| 6538541 | Bistable contactor | — | 2003-03-25 |