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(11)

EP 4 133 560 A1

(12)

(43) Date of publication: 15.02.2023 Bulletin 2023/07 (21) Application number: 21785511.3 (22) Date of filing: 19.03.2021

(51) International Patent Classification (IPC):  H02G 11/00(1968.09) B64C 11/04(1968.09) B64B 1/40(1968.09) H02K 7/14(1968.09) (52) Cooperative Patent Classification (CPC): B64B 1/40; H02G 11/006; B64D 27/26 (86) International application number: PCT/US2021/023260 (87) International publication number: WO 2021/206893 (14.10.2021 Gazette 2021/41)

(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: 06.04.2020 US 202016840896 06.04.2020 US 202016840748 (71) Applicant: Aerostar International, Inc. Sioux Falls, South Dakota 57108 (US)	(72) Inventors: HIJMANS, Carey Mountain View, CA 94043 (US) SOLUM, David Mountain View, CA 94043 (US) COHEN, Tom Mountain View, CA 94043 (US) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)