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EP 4 327 433 A1

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(43) Date of publication: 28.02.2024 Bulletin 2024/09 (21) Application number: 22792455.2 (22) Date of filing: 20.04.2022

(51) International Patent Classification (IPC):  H02J 50/10(2016.01) H02J 50/80(2016.01) H01F 27/36(2006.01) H02J 50/70(2016.01) H02J 50/00(2016.01) H02J 50/90(2016.01) (52) Cooperative Patent Classification (CPC): H02J 50/90; H02J 50/80; H02J 50/70; H01F 27/366; H01F 38/14; H02J 50/005 (86) International application number: PCT/US2022/025650 (87) International publication number: WO 2022/226129 (27.10.2022 Gazette 2022/43)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 20.04.2021 US 202117235738 30.04.2021 US 202117245949 30.04.2021 US 202117245953 30.04.2021 US 202117245956 30.04.2021 US 202117245959 (71) Applicant: NuCurrent, Inc. Chicago, IL 60661 (US)

(72) Inventors: CRNKOVIC, Jim Chicago, Illinois 60661 (US) KOVACS, Andrew Chicago, Illinois 60661 (US) GREEN, Jason Chicago, Illinois 60661 (US) ALAM, Md Nazmul Chicago, Illinois 60661 (US) MELONE, Mark Chicago, Illinois 60661 (US) (74) Representative: Dehns  St. Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)