Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10374543 | Ultracap-based solutions for ride-through of synchronous machine drives | Jun Li, Zhiguo Pan, Wen Ouyang, Darren Tremelling | 2019-08-06 |
| 8970063 | Method and arrangement for balancing voltages of series connection of storage units for electrical energy | — | 2015-03-03 |
| 8502524 | Current measurement in an inverter unit and a frequency converter | Matti Laitinen, Jussi Suortti | 2013-08-06 |
| 8159847 | Method and arrangement in connection with a brake chopper | Tero Viitanen | 2012-04-17 |
| 7663850 | Earth fault protection of a frequency converter | — | 2010-02-16 |