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(11)

EP 4 392 650 A1

(12)

(43) Date of publication: 03.07.2024 Bulletin 2024/27 (21) Application number: 22861976.3 (22) Date of filing: 23.08.2022

(51) International Patent Classification (IPC):  F02B 51/04(2006.01) H02S 40/40(2014.01) H01L 31/04(2014.01) F01D 15/10(2006.01) (52) Cooperative Patent Classification (CPC): Y02E 60/50; H01M 8/1009 (86) International application number: PCT/US2022/041194 (87) International publication number: WO 2023/028043 (02.03.2023 Gazette 2023/09)

(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: 23.08.2021 US 202163236015 P (71) Applicant: Johnson, Lonnie G. Atlanta, Georgia 30312 (US)	(72) Inventor: Johnson, Lonnie G. Atlanta, Georgia 30312 (US) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)