(19)

(11)

EP 4 531 644 A1

(12)

(43) Date of publication: 09.04.2025 Bulletin 2025/15 (21) Application number: 23730578.4 (22) Date of filing: 15.05.2023

(51) International Patent Classification (IPC):  A47L 9/04(2006.01) (52) Cooperative Patent Classification (CPC): A47L 9/0477 (86) International application number: PCT/IB2023/054977 (87) International publication number: WO 2023/233228 (07.12.2023 Gazette 2023/49)

(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: KH MA MD TN (30) Priority: 30.05.2022 GB 202207980 (71) Applicant: DYSON TECHNOLOGY LIMITED Malmesbury Wiltshire SN16 0RP (GB)	(72) Inventors: KNOX, Joel Malmesbury Wiltshire SN16 0RP (GB) HORNE, Alexander Malmesbury Wiltshire SN16 0RP (GB) ARPINO-JAMES, Maxine Malmesbury Wiltshire SN16 0RP (GB) (74) Representative: Lobban, Colin et al Dyson Technology Limited Tetbury Hill Malmesbury, Wiltshire SN16 0RP Malmesbury, Wiltshire SN16 0RP (GB)