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(11)

EP 4 771 984 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24773554.1 (22) Date of filing: 22.08.2024

(51) International Patent Classification (IPC):  H05B 3/28(2006.01) A45D 1/06(2006.01) A45D 1/08(2006.01) A45D 1/04(2006.01) A45D 2/00(2006.01) (52) Cooperative Patent Classification (CPC): A45D 2/001; A45D 1/04; H05B 3/28; H05B 2203/005; H05B 2203/03; H05B 2203/037; A45D 1/28 (86) International application number: PCT/IB2024/058178 (87) International publication number: WO 2025/046410 (06.03.2025 Gazette 2025/10)

(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: 29.08.2023 GB 202313104 (71) Applicant: DYSON TECHNOLOGY LIMITED Malmesbury Wiltshire SN16 0RP (GB)	(72) Inventors: HAMDIS, Mouna Malmesbury Wiltshire SN16 0RP (GB) FANG, Chaoying Malmesbury Wiltshire SN16 0RP (GB) (74) Representative: Dyson IP Department  Tetbury Hill Malmesbury, Wiltshire SN16 0RP Malmesbury, Wiltshire SN16 0RP (GB)