Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10861657 | Bidirectional power valve and control method therefor and hybrid multi-terminal HVDC system using the same | Xiaobo Yang, Chunming Yuan, Dawei Yao, Chao Yang | 2020-12-08 |
| 9264008 | Filter apparatus, a method for filtering harmonics in an electrical power transmission or distribution system, and such a system | Mats Hyttinen, Niklas Modig, Peter Holmberg | 2016-02-16 |
| 8228694 | Converter station and a method for control thereof | Ulf Radbrant | 2012-07-24 |
| 5414612 | HVDC transmission with a converter connected between an AC voltage and a DC link common to the converters | Per-Erik Bjorklund, Urban Astrom, John J. Vithayathil | 1995-05-09 |
| 4939486 | Filter equipment for power lines | Jan T. Holmgren | 1990-07-03 |
| 4419660 | Electric filter equipment | — | 1983-12-06 |
| 4198668 | High-voltage direct current interuption devices | Erik Borg | 1980-04-15 |