Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12396127 | Heat pipe cooling device and method with fan controlled based on air temperature | Tommi Keski-Kujala, Tuomas Yli-Rahnasto | 2025-08-19 |
| 12094635 | Inductor assembly | Stefan Strandberg | 2024-09-17 |
| 12034388 | Motor drive adaptation | Simo Häkli | 2024-07-09 |
| 11837964 | Method for detecting low impedance condition at output of electrical converter, control unit, computer program product and electrical converter | Juha Norrena | 2023-12-05 |
| 11808814 | Drive for an electric application and processes for maintaining and fine-tuning the drive | Ari Pulakka, Jetro Itäniemi, Janne Pakkala, Jussi Pouttu | 2023-11-07 |
| 11575309 | Method and device for damping of LCL filter during start-up of an electronic appliance | — | 2023-02-07 |
| 11569732 | DC-link charging arrangement and method for charging a DC-link capacitor | Stefan Strandberg | 2023-01-31 |
| 11538613 | Inductor and method for producing the same | — | 2022-12-27 |
| 11381158 | Method for controlling a power converter in a fault condition state and protection of same | Jani Matti Perkiö, Juha Norrena | 2022-07-05 |
| 11329544 | Filter arrangement | Stefan Strandberg | 2022-05-10 |
| 11159099 | Method for pulse-width modulation of a power converter and a power converter | Oskari Leppäaho, Simo Häkli | 2021-10-26 |
| 10910983 | Method for adjusting an inverter connected to an electric motor via a du/dt filter | Olli Erkkilä | 2021-02-02 |
| 10720772 | Filtering arrangement having a three phase LCL power supply common mode filter | — | 2020-07-21 |
| 10298149 | Power electronic converter and a method for controlling it | Jussi Pouttu | 2019-05-21 |
| 10270367 | Frequency converter with LCL line and common mode filter | Jaakko Ollila, Laakso Martti | 2019-04-23 |
| 9755499 | Electric interference limitation | — | 2017-09-05 |
| 8736204 | Transfer apparatus for electric power | Risto Komulainen | 2014-05-27 |
| 8670253 | Converter protecting components against overvoltages | Ari Ristimäki, Matti Takala, Mika Levonen | 2014-03-11 |
| 7902956 | Filtering choke arrangement | — | 2011-03-08 |
| 7847663 | Filtering choke arrangement | — | 2010-12-07 |
| 7839251 | Filtering choke arrangement for a frequency converter | — | 2010-11-23 |
| 7593244 | Limit for the harmonics of a current | Lasse Kortelahti, Jaakko Ollila | 2009-09-22 |
| 6965290 | Low harmonic rectifier circuit | Kalyan P. Gokhale, Alpo Vallinmaki | 2005-11-15 |
| 6922883 | Method for making a non-linear inductor | Kalyan P. Gokhale, Alpo Vallinmaki | 2005-08-02 |
| 6774758 | Low harmonic rectifier circuit | Kalyan P. Gokhale, Alpo Vallinmaki | 2004-08-10 |