(19)

(11)

EP 4 061 696 A1

(12)

(43) Date of publication: 28.09.2022 Bulletin 2022/39 (21) Application number: 20812412.3 (22) Date of filing: 19.11.2020

(51) International Patent Classification (IPC):  B63B 1/24(2020.01) B63B 1/28(2006.01) B63B 1/12(2006.01) B63B 43/14(2006.01) B63B 1/10(2006.01) (52) Cooperative Patent Classification (CPC): B63B 43/14; B63B 1/24; B63B 2001/102; B63B 1/121; B63B 1/28 (86) International application number: PCT/GB2020/052957 (87) International publication number: WO 2021/099791 (27.05.2021 Gazette 2021/21)

(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: 20.11.2019 GB 201916898 (71) Applicant: BA Technologies Limited Poole Dorset BH15 2PW (GB)	(72) Inventors: SCHOFIELD, Simon James Poole Dorset BH14 8QY (GB) GLIDDON, Paul Jonathan Abbey SO31 5AP (GB) KER, Jason James chester, SO21 1QA (GB) (74) Representative: J A Kemp LLP  80 Turnmill Street London EC1M 5QU London EC1M 5QU (GB)