Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12074431 | Three-level brake chopper and method for controlling three-level brake chopper | — | 2024-08-27 |
| 10634434 | Arrangement for cooling a closed cabinet | Risto Laurila, Bruno Agostini | 2020-04-28 |
| D836548 | Inverter module | Roman Jauhonen, Raimo Heine | 2018-12-25 |
| 9627989 | Three-level converter and method for controlling three-level converter | — | 2017-04-18 |
| 9484837 | Switching branch for three-level inverter and method for controlling switching branch of three-level inverter | Matti T. Jussila | 2016-11-01 |
| 9450514 | Method and apparatus for minimising a circulating current or a common-mode voltage of an inverter | Mikko Purhonen | 2016-09-20 |
| 9294010 | Method for controlling switching branch of three-level converter and switching branch for three-level converter | Mikko Saarinen | 2016-03-22 |
| 9088225 | Switching branch for three-level converter and method for controlling switching branch of three-level converter | — | 2015-07-21 |
| 8872382 | Compensation of harmonics of electrical network | Antti Tarkiainen | 2014-10-28 |
| 8644043 | Switching branch for three-level rectifier and method for controlling switching branch for three-level rectifier | — | 2014-02-04 |
| 8493759 | Inverter | Jussi Suortti, Matti T. Jussila | 2013-07-23 |
| 8319490 | Method in connection with frequency converter | — | 2012-11-27 |
| 8159847 | Method and arrangement in connection with a brake chopper | Ora Veli-Matti Leppänen | 2012-04-17 |
| 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 |