Leppanen; Ora Veli-Matti

Patent Applications and Registrations

Patent applications and USPTO patent grants for Leppanen; Ora Veli-Matti.The latest application filed is for "ultracap-based solutions for ride-through of synchronous machine drives".

Company Profile

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Leppanen; Ora Veli-Matti - Aijapolku FI
Leppanen; Ora Veli-Matti - Apex NC
Leppanen; Ora Veli-Matti - Mulligen N/A CH
Leppanen; Ora Veli-Matti - Helsinki N/A FI

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Ultracap-based solutions for ride-through of synchronous machine drives Grant 10,374,543 - Li , et al.	2019-08-06
Ultracap-based Solutions For Ride-through Of Synchronous Machine Drives App 20170063280 - Li; Jun ; et al.	2017-03-02
Method and arrangement for balancing voltages of series connection of storage units for electrical energy Grant 8,970,063 - Leppanen March 3, 2	2015-03-03
Current measurement in an inverter unit and a frequency converter Grant 8,502,524 - Leppanen , et al. August 6, 2	2013-08-06
Method and arrangement in connection with a brake chopper Grant 8,159,847 - Viitanen , et al. April 17, 2	2012-04-17
Method And Arrangement For Balancing Voltages Of Series Connection Of Storage Units For Electrical Energy App 20110298282 - Leppanen; Ora Veli-Matti	2011-12-08
Current Measurement In An Inverter Unit And A Frequency Converter App 20100128505 - Leppanen; Ora Veli-Matti ; et al.	2010-05-27
Earth fault protection of a frequency converter Grant 7,663,850 - Leppanen February 16, 2	2010-02-16
Method And Arrangement In Connection With A Brake Chopper App 20090267545 - Viitanen; Tero ; et al.	2009-10-29
Earth fault protection of a frequency converter App 20080151445 - Leppanen; Ora Veli-Matti	2008-06-26

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