(19)

(11)

EP 4 555 137 A2

(12)

(88) Date of publication A3: 22.02.2024 (43) Date of publication: 21.05.2025 Bulletin 2025/21 (21) Application number: 23765289.6 (22) Date of filing: 14.07.2023

(51) International Patent Classification (IPC):  D03D 1/04(2006.01) D03D 15/283(2021.01) F41H 5/08(2006.01) D03D 15/217(2021.01) A47C 3/16(2006.01) D03D 15/513(2021.01) (52) Cooperative Patent Classification (CPC): D03D 1/04; D03D 15/217; D03D 15/283; D10B 2201/02; D10B 2321/101; D10B 2331/02; A47C 3/16; F41H 5/08; D03D 15/513 (86) International application number: PCT/GB2023/051855 (87) International publication number: WO 2024/013515 (18.01.2024 Gazette 2024/03)

(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: 14.07.2022 GB 202210319 17.02.2023 GB 202302265 (71) Applicant: PBS Innovations Ltd Staffordshire ST13 5EL (GB)	(72) Inventor: VANONO, Leah Tamah Leek Staffordshire ST13 5EL (GB) (74) Representative: Hanson, Kevin  Panoramix Limited 344-354 Grays Inn Road London WC1X 8BP London WC1X 8BP (GB)