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(11)

EP 4 399 475 A1

(12)

(43) Date of publication: 17.07.2024 Bulletin 2024/29 (21) Application number: 22777715.8 (22) Date of filing: 09.09.2022

(51) International Patent Classification (IPC):  F41J 5/06(2006.01) F41J 7/06(2006.01) F41J 7/04(2006.01) F41J 9/02(2006.01) (52) Cooperative Patent Classification (CPC): F41J 5/06; F41J 7/04; F41J 7/06; F41J 9/02 (86) International application number: PCT/IB2022/058517 (87) International publication number: WO 2023/037312 (16.03.2023 Gazette 2023/11)

(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: 10.09.2021 GB 202112972 10.09.2021 GB 202112974 (71) Applicant: 4GD Limited London, Greater London SW15 3NS (GB)	(72) Inventors: HARRISON, Matthew London SW15 3NS (GB) JACOBS, Timothy Slough Berkshire SL2 1NA (GB) MEGAWARNE, Justin Slough Berkshire SL2 1NA (GB) CROWLEY, James London SW15 3NS (GB) STASIK, Bartosz Slough Berkshire SL2 1NA (GB) (74) Representative: Carter, Stephen John  Claines Limited 1 London Road / Holybourne Alton GU34 4EG Alton GU34 4EG (GB)