Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352666 | Method, an arrangement and a frequency converter for identification of torsional natural frequencies of a drivetrain system | Timo Holopainen, Olli Liukkonen | 2025-07-08 |
| 12344951 | System and a method for alkaline water electrolysis | Joonas KOPONEN, Vesa RUUSKANEN, Antti KOSONEN, Anton POLUEKTOV, Jero Ahola +1 more | 2025-07-01 |
| 11781943 | Arrangement for monitoring antifriction bearing of rotating shaft of rotating electric machine | Jari Jäppinen, Olli Liukkonen, Timo Holopainen, Ville Särkimäki | 2023-10-10 |
| 9715478 | Method for detecting the correct rotational direction of a centrifugal apparatus, and a centrifugal apparatus assembly | Jussi Tamminen, Tero Ahonen, Jero Ahola | 2017-07-25 |
| 9021876 | Method and apparatus for determining change in mass of fan impeller | Jussi Tamminen, Tero Ahonen, Jero Ahola | 2015-05-05 |
| 6600290 | Stator flux estimate midpoint correction | — | 2003-07-29 |
| 6597148 | Method for controlling an electrical machine and an inverter | — | 2003-07-22 |
| 6335607 | Method of correcting flux midpoint in flux-controlled alternating current systems | — | 2002-01-01 |