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(11)

EP 4 408 733 A1

(12)

(43) Date of publication: 07.08.2024 Bulletin 2024/32 (21) Application number: 22790540.3 (22) Date of filing: 29.09.2022

(51) International Patent Classification (IPC):  B63B 59/06(2006.01) B63B 59/10(2006.01) B63B 59/08(2006.01) B08B 1/00(2024.01) (52) Cooperative Patent Classification (CPC): B63B 59/06; B63B 59/08; B63B 59/10; B08B 3/024; B08B 1/30; B08B 1/32 (86) International application number: PCT/EP2022/077104 (87) International publication number: WO 2023/052496 (06.04.2023 Gazette 2023/14)

(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: 30.09.2021 EP 21200234 (71) Applicant: Hydro Hull Cleaning A/S 2900 Hellerup (DK)	(72) Inventors: NEUSCHÄFER LARSEN, Henrik 2850 Søborg (DK) SEVERIN STEPHENSEN, Jens 2930 Klampenborg (DK) (74) Representative: Inspicos P/S  Agern Allé 24 2970 Hørsholm 2970 Hørsholm (DK)