Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081002 | Apparatus and method for determining location of phase-to-phase fault or three-phase fault | Ari Wahlroos | 2011-12-20 |
| 8044666 | Method for determining location of phase-to earth fault | Ari Wahlroos | 2011-10-25 |
| 8022709 | Method and apparatus for determining circular characteristic | Ari Wahlroos | 2011-09-20 |
| 7999557 | Method for determining location of phase-to-earth fault | Ari Wahlroos | 2011-08-16 |