(19)

(11)

EP 3 969 207 A1

(12)

(43) Date of publication: 23.03.2022 Bulletin 2022/12 (21) Application number: 20810010.7 (22) Date of filing: 14.05.2020

(51) International Patent Classification (IPC):  B22F 1/00(2022.01) H01M 10/54(2006.01) B22F 9/04(2006.01) (52) Cooperative Patent Classification (CPC): H01M 10/54; B22F 2998/10; H01M 4/0438; H01M 4/139; Y02W 30/84; Y02E 60/10   C-Sets: B22F 2998/10, B22F 9/24, B22F 9/04; (86) International application number: PCT/US2020/032877 (87) International publication number: WO 2020/236513 (26.11.2020 Gazette 2020/48)

(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: 17.05.2019 US 201916415879 (71) Applicant: Hulico LLC Bend, Oregon 97703 (US)	(72) Inventor: SLOOP, Steven E. Bend, Oregon 97703 (US) (74) Representative: HGF  HGF Limited 1 City Walk Leeds LS11 9DX Leeds LS11 9DX (GB)