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(11)

EP 4 568 863 A1

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(43) Date of publication: 18.06.2025 Bulletin 2025/25 (21) Application number: 23768970.8 (22) Date of filing: 10.08.2023

(51) International Patent Classification (IPC):  B60V 3/08(2006.01) B63B 1/28(2006.01) B64C 35/00(2006.01) B63B 1/26(2006.01) B63B 1/30(2006.01) B63H 7/02(2006.01) (52) Cooperative Patent Classification (CPC): B60V 3/08; B63B 1/285; B63B 1/286; B63B 1/30; B63B 1/26; B63H 7/02; B64C 35/00 (86) International application number: PCT/US2023/029996 (87) International publication number: WO 2024/035885 (15.02.2024 Gazette 2024/07)

(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: 10.08.2022 US 202217885463 05.09.2022 US 202263374596 P 31.03.2023 US 202363493575 P 13.04.2023 US 202363495852 P (71) Applicant: Regent Craft Inc. North Kingstown, RI 02852 (US)

(72) Inventors: KLINKER, Michael North Kingstown RI 02852 (US) COTTRELL, Daniel North Kingstown RI 02852 (US) BAKER, William, Bryan North Kingstown RI 02852 (US) GREGG, Andrew North Kingstown RI 02852 (US) LEVIN, Andrew North Kingstown RI 02852 (US) (74) Representative: Onsagers AS  P.O. Box 1813 Vika 0123 Oslo 0123 Oslo (NO)