Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8367951 | Vacuum based diverter switch for tap changer | Robert Hirt, Hans Johansson, Mats Carlsson, Lars Jonsson | 2013-02-05 |
| 7982142 | Diverter switch, a method for operating such a switch and use of such a switch | Lars Jonsson, Tommy Larsson, Stefan Valdemarsson | 2011-07-19 |