Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9973004 | Change of current return path in a bipole power transmission system | David Shearer, Felipe Sobrinho, Hector-Armando Avila, Per-Erik Bjorklund, Sören Nyberg | 2018-05-15 |
| 6894886 | Power capacitor | Esbjörn Eriksson, Birger Drugge, Göran Frisk | 2005-05-17 |
| 6757151 | Capacitor element for a power capacitor, a power capacitor comprising such element and a metallized film for a power capacitor | Esbjörn Eriksson | 2004-06-29 |
| 6407905 | Electronic components | Joseph Connolly, Martin Carlen, Dennis Young-Cannon | 2002-06-18 |
| 6232865 | Core for a controllable inductor and a method for producing therof | Gunnar Zinders, Bjorn Sandin, Stefan Valdemarsson, Dan Elofsson, Olle Ekwall | 2001-05-15 |
| 6140588 | Arrangement at a conductor on high voltage potential | Stefan Valdemarsson, Anders Björklund, Mats Leijon, Dan Windmar, Urban Astrom | 2000-10-31 |
| 5936503 | Controllable inductor | Bjorn Sandin, Stefan Valdemarsson, Dan Elofsson | 1999-08-10 |
| 5929737 | Controllable inductor | Gunnar Zinders, Bjorn Sandin, Stefan Valdemarsson, Dan Elofsson | 1999-07-27 |
| 5900795 | Controllable inductor | Erik Jansson | 1999-05-04 |
| 5668418 | Three-phase filter equipment including standby filter branch for switchably replacing a removed filter branch for a particular phase | Lennart Carlsson | 1997-09-16 |
| 5666277 | Series-compensated converter station | Per-Erik Bjorklund, Tomas Jonsson, Urban strom | 1997-09-09 |