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Pat. 10483870 United States, Int. Cl.22 H02M 7/48, H02M 7/483, H02M 7/49, H02M 7/501. Power conversion method using variable potential energy storage devices : Appl. N 15/573250 : Filed 12.05.2016 : Pub. 19.11.2019 : / Chong Hwa Ng, Paul Mckeever, Michael Edward Smailes ; Assignee Offshore Renewable Energy Catapult ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10483870/en?oq=US10483870.html (дата обращения: ДД.ММ.ГГГГ).