(19)

(11)

EP 4 739 400 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24736534.9 (22) Date of filing: 17.06.2024

(51) International Patent Classification (IPC):  A62B 9/02(2006.01) A62B 18/02(2006.01) A62B 18/10(2006.01) A62B 23/02(2006.01) A62B 9/04(2006.01) A62B 18/08(2006.01) A62B 19/00(2006.01) (52) Cooperative Patent Classification (CPC): A62B 9/02; A62B 9/04; A62B 18/025; A62B 18/088; A62B 18/10; A62B 19/00; A62B 23/02 (86) International application number: PCT/IB2024/055890 (87) International publication number: WO 2025/008696 (09.01.2025 Gazette 2025/02)

(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: 05.07.2023 IT 202300013968 (71) Applicant: GVS Filter Technology Uk Ltd LA1 3PE Lancaster (GB)	(72) Inventors: KALENSKY, Ondrej Lancaster Lancashire LA1 3AX (GB) HARTROPP, Ben Sandside, Milnthorpe Cumbria LA7 7PH (GB) CALLAND, Andrew Cumbria LA7 7AE (GB) (74) Representative: Ripamonti, Enrico et al Giambrocono & C. S.p.A., Via Rosolino Pilo, 19/B 20129 Milano 20129 Milano (IT)