(19)

(11)

EP 4 817 176 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24798334.9 (22) Date of filing: 07.10.2024

(51) International Patent Classification (IPC):  H02P 29/024(2016.01) H02J 7/34(2006.01) H02J 7/00(2026.01) H02M 5/458(2006.01) (52) Cooperative Patent Classification (CPC): H02M 5/458; H02P 29/024; H02P 29/0241; H02P 29/027; H02J 7/345; H02J 2207/20; H02J 2207/50 (86) International application number: PCT/US2024/050158 (87) International publication number: WO 2025/117028 (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: 29.11.2023 US 202318522707 29.11.2023 US 202363603747 P (71) Applicant: Weatherford Technology Holdings, LLC Houston Texas 77056 (US)	(72) Inventor: AREFEEN, Mohammed S. Houston, Texas 77056 (US) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)