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EP 4 817 077 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24898920.4 (22) Date of filing: 02.12.2024

(51) International Patent Classification (IPC):  H01F 41/04(2006.01) H01F 41/16(2006.01) H01F 17/04(2006.01) H01F 41/074(2016.01) H01F 27/28(2006.01) H01F 41/14(2006.01) H01F 41/32(2006.01) H01F 41/06(2016.01) H01F 41/34(2006.01) H01L 23/29(2006.01) (52) Cooperative Patent Classification (CPC): H01F 38/14; H01F 27/366; H01F 27/306; H01F 3/10; H01F 1/26 (86) International application number: PCT/US2024/058152 (87) International publication number: WO 2025/117982 (05.06.2025 Gazette 2025/23)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 30.11.2023 US 202363604391 P (71) Applicant: Atlas Magnetics Company Reno, NV 89502 (US)	(72) Inventor: MCDONALD, John, Othniel Reno, NV 89502 (US) (74) Representative: Cameron Intellectual Property Ltd  Moncrieff House 69 West Nile Street Glasgow G1 2QB Glasgow G1 2QB (GB)