Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7141908 | Rotating electrical machine | Lars Hedendahl, Lars Walfridsson | 2006-11-28 |
| 6972505 | Rotating electrical machine having high-voltage stator winding and elongated support devices supporting the winding and method for manufacturing the same | Mats Leijon, Peter Templin, Bengt Rydholm, Lars Gertmar, Bertil Larsson +7 more | 2005-12-06 |
| 6702975 | Method and an apparatus for manufacturing an electrical insulator | Dan Windmar, Anders Björklund, Hans-Olaf Kallin, Lars-Goran Johansson | 2004-03-09 |
| 5608597 | Surge arrester | Jan Lundquist, Håkan Wieck | 1997-03-04 |
| 5061554 | Electrical insulating material comprising an insulating layer in the form of an organic polymer | Arne Hjortsberg, Lennart Johansson, Thommy Karlsson | 1991-10-29 |
| 4935302 | Electrical conductor provided with a surrounding insulation | Arne Hjortsberg, Lennart Johansson, Thommy Karlsson | 1990-06-19 |
| 4806806 | Coil for arrangement in slots in a stator or rotor of an electrical machine | Arne Hjortsberg, Thommy Karlsson | 1989-02-21 |
| 4688142 | Current transmission system for HVDC including a solid insulator having a surface coating of resin containing chromium oxide or iron oxide | Arne Hjortsberg, Erik sterlund | 1987-08-18 |
| 4598573 | Method of forming an object by pressing a blank in a press | Carl Bergman, Arne Nygard | 1986-07-08 |