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EP 4 263 276 A2

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(88) Date of publication A3: 11.08.2022 (43) Date of publication: 25.10.2023 Bulletin 2023/43 (21) Application number: 21907774.0 (22) Date of filing: 16.12.2021

(51) International Patent Classification (IPC):  B60L 53/63(2019.01) B60L 53/67(2019.01) B60L 53/65(2019.01) B60L 53/60(2019.01) B60L 53/62(2019.01) B60L 53/66(2019.01) B60L 55/00(2019.01) (52) Cooperative Patent Classification (CPC): B60L 53/68; B60L 53/67; B60L 53/63; B60L 53/65; B60L 2250/20; B60L 53/64; H02J 7/0013; H02J 7/0048; H02J 2310/54; H02J 2310/48; G06Q 10/02; G06Q 10/025; G06Q 10/0631; G06Q 20/3823; G06Q 20/18; G07F 15/005; Y02T 90/12; Y02T 90/16; Y02T 10/70; Y02T 10/7072 (86) International application number: PCT/US2021/063686 (87) International publication number: WO 2022/133018 (23.06.2022 Gazette 2022/25)

(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: 16.12.2020 US 202063126447 P 01.02.2021 US 202117163638 (71) Applicant: Nad Grid Corp Cupertino, CA 95014 (US)	(72) Inventors: SUN, Thomas Shaofeng Cupertino, CA 95014 (US) GAVRILOVIC, Timotej Cupertino, CA 95014 (US) NGUYEN, Thai, Vinh Loc Cupertino, CA 95014 (US) (74) Representative: AWA Denmark A/S  Strandgade 56 1401 Copenhagen K 1401 Copenhagen K (DK)