(19)

(11)

EP 4 824 474 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24829568.5 (22) Date of filing: 09.12.2024

(51) International Patent Classification (IPC):  F24F 3/14(2006.01) F24F 5/00(2006.01) B05B 1/00(2006.01) E03C 1/04(2006.01) F24F 7/007(2006.01) A47K 3/28(2006.01) B05B 1/18(2006.01) (52) Cooperative Patent Classification (CPC): F24F 2003/144; F24F 3/14; F24F 7/007; F24F 5/0042; F24F 5/0003; Y02B 30/56 (86) International application number: PCT/GB2024/053053 (87) International publication number: WO 2025/125779 (19.06.2025 Gazette 2025/25)

(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: 15.12.2023 GB 202319226 (71) Applicant: Mouandza, Alain London SW12 8BY (GB)	(72) Inventor: Mouandza, Alain London SW12 8BY (GB) (74) Representative: Abel & Imray LLP  Westpoint Building James Street West Bath BA1 2DA Bath BA1 2DA (GB)