(19)

(11)

EP 4 540 131 A1

(12)

(43) Date of publication: 23.04.2025 Bulletin 2025/17 (21) Application number: 23824323.2 (22) Date of filing: 12.06.2023

(51) International Patent Classification (IPC):  B63B 75/00(2020.01) B63B 77/10(2020.01) B63B 35/00(2020.01) F03D 13/25(2016.01) (52) Cooperative Patent Classification (CPC): B63B 75/00; B63B 77/10; Y02E 10/727; B63B 27/08; F03D 13/126; F03D 13/256 (86) International application number: PCT/SE2023/050583 (87) International publication number: WO 2023/244156 (21.12.2023 Gazette 2023/51)

(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: 16.06.2022 SE 2250725 (71) Applicant: SeaTwirl AB 411 04 Göteborg (SE)	(72) Inventors: BOSTRÖM, Jonas 411 04 GÖTEBORG (SE) ARONSSON, Erik 411 04 GÖTEBORG (SE) (74) Representative: Kransell & Wennborg KB  P.O. Box 2096 403 12 Göteborg 403 12 Göteborg (SE)