Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7616087 | Installation for transmission of electric power | Per Halvarsson, David Larsson, Johan Karlstrand | 2009-11-10 |
| 7245037 | Wind power fed network | Lennart Angquist, Per Halvarsson, Lars Liljestrand, Stefan Valdemarsson, Willie Wong | 2007-07-17 |