Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8059428 | Reactor arrangement for alternating electrical current | Matti Laitinen, Paulius Pieteris | 2011-11-15 |
| 8035470 | Protection of permanent magnets in a DC-inductor | Paulius Pieteris | 2011-10-11 |
| 7889040 | DC inductor | Paulius Pieteris, Esa Hautakorpi | 2011-02-15 |
| 7884582 | Method and device in frequency converter | — | 2011-02-08 |