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EP 4 315 541 A1

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(43) Date of publication: 07.02.2024 Bulletin 2024/06 (21) Application number: 22782301.0 (22) Date of filing: 01.04.2022

(51) International Patent Classification (IPC):  H02H 3/00(2006.01) H02H 7/00(2006.01) H02H 3/22(2006.01) H01H 9/30(2006.01) H01H 9/34(2006.01) (52) Cooperative Patent Classification (CPC): H01H 9/34; H01H 9/542; H02H 9/041 (86) International application number: PCT/US2022/023068 (87) International publication number: WO 2022/212855 (06.10.2022 Gazette 2022/40)

(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: 01.04.2021 US 202163169791 P (71) Applicant: Hydra-Electric Company Burbank, CA 91505 (US)	(72) Inventor: GUZIAK, Robert, Andrew Thousand Oaks, CA 91362-4666 (US) (74) Representative: Nordmeyer, Philipp Werner  df-mp Dörries Frank-Molnia & Pohlman Patentanwälte Rechtsanwälte PartG mbB Theatinerstraße 16 80333 München 80333 München (DE)