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(11)

EP 4 358 790 A1

(12)

(43) Date of publication: 01.05.2024 Bulletin 2024/18 (21) Application number: 22729263.8 (22) Date of filing: 25.05.2022

(51) International Patent Classification (IPC):  A45D 2/00(2006.01) A45D 1/06(2006.01) A45D 20/50(2006.01) A45D 20/10(2006.01) A45D 1/04(2006.01) A45D 20/08(2006.01) A45D 1/14(2006.01) (52) Cooperative Patent Classification (CPC): A45D 2/001; A45D 1/04; A45D 1/06; A45D 1/14; A45D 20/10 (86) International application number: PCT/GB2022/051319 (87) International publication number: WO 2022/269225 (29.12.2022 Gazette 2022/52)

(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: 24.06.2021 GB 202109085 (71) Applicant: DYSON TECHNOLOGY LIMITED MalmesburyWiltshire SN16 0RP (GB)

(72) Inventors: ATKINSON, Antoine Malmesbury Wiltshire SN16 0RP (GB) LANGMEAD, Matthew Malmesbury Wiltshire SN16 0RP (GB) BULATHSINGHALA, Dinitha Subhashana Malmesbury Wiltshire SN16 0RP (GB) ANTHONY JESUDASAN, Jeffrey Malmesbury Wiltshire SN16 0RP (GB) COURTNEY, Stephen Malmesbury Wiltshire SN16 0RP (GB) WILLIAMS, David Malmesbury Wiltshire SN16 0RP (GB) GALLIENNE, Ben Malmesbury Wiltshire SN16 0RP (GB) LOH HOCK HUA, Simon Malmesbury Wiltshire SN16 0RP (GB) (74) Representative: Kent, Miranda Jacket et al Dyson Technology Limited Intellectual Property Department Tetbury Hill Malmesbury, Wiltshire SN16 0RP Malmesbury, Wiltshire SN16 0RP (GB)