Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5517378 | Direct-current breaker for high power for connection into a direct-current carrying high-voltage line | Victor Lescale, Carl E. Solver | 1996-05-14 |
| 5371651 | Power semiconductor valve device for outdoor location | Urban Astrom, Bjorn Sandin | 1994-12-06 |
| 5323330 | Reduction of disturbances in a power network | Henrik Breder, Anders Åberg | 1994-06-21 |
| 5296764 | Reduction of disturbances in a power network | Henrik Breder, Anders Åberg | 1994-03-22 |
| 5249114 | Arrangement of a valve stack for high voltage direct current in a valve hall | Olle Ekwall | 1993-09-28 |
| 5117323 | Electrode line protection | — | 1992-05-26 |
| 4377835 | Recovery protection device for a thyristor valve | Lars-Henrik Eklund, Bernt stlund | 1983-03-22 |
| 4360864 | Voltage divider for a thyristor valve control circuit | — | 1982-11-23 |
| 4333137 | Thyristor switch with transient protection and RF interference suppression | — | 1982-06-01 |
| 4237509 | Thyristor connection with overvoltage protection | — | 1980-12-02 |