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(11)

EP 4 519 154 A1

(12)

(43) Date of publication: 12.03.2025 Bulletin 2025/11 (21) Application number: 23723243.4 (22) Date of filing: 03.05.2023

(51) International Patent Classification (IPC):  B63B 7/08(2020.01) B63H 20/32(2006.01) B63H 20/06(2006.01) (52) Cooperative Patent Classification (CPC): B63B 7/087; B63H 2021/205; B63H 20/06; B63H 20/32 (86) International application number: PCT/GB2023/051175 (87) International publication number: WO 2023/214168 (09.11.2023 Gazette 2023/45)

(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: 03.05.2022 GB 202206463 26.05.2022 GB 202207793 (71) Applicant: Mathwall Engineering Limited Northampton, Northamptonshire NN1 5AL (GB)	(72) Inventors: MATHIESON, Mark Northamptonshire NN1 5AL (GB) HILL, Jason Northamptonshire NN1 5AL (GB) BRANNEY, Ciaran Northamptonshire NN1 5AL (GB) (74) Representative: Slingsby Partners LLP  1 Kingsway London WC2B 6AN London WC2B 6AN (GB)