(19)

(11)

EP 4 100 278 A2

(12)

(88) Date of publication A3: 03.02.2022 (43) Date of publication: 14.12.2022 Bulletin 2022/50 (21) Application number: 21711623.5 (22) Date of filing: 05.02.2021

(51) International Patent Classification (IPC):  B60L 53/30(2019.01) E04C 1/39(2006.01) B60L 53/12(2019.01) B60L 53/14(2019.01) E01C 11/22(2006.01) E04C 2/52(2006.01) B60L 53/53(2019.01) (52) Cooperative Patent Classification (CPC): B60L 53/12; B60L 53/14; B60L 53/30; B60L 53/53; B60L 55/00; E04C 1/39; E04C 2/52; Y04S 10/126; Y02T 10/70; Y02T 10/7072; Y02T 90/12; Y02T 90/14; E01C 11/222; E01C 11/223; Y02E 60/00; H01M 2220/10; H01M 16/00; E01F 9/547; Y02E 60/10; Y02A 30/60 (86) International application number: PCT/GB2021/050251 (87) International publication number: WO 2021/156621 (12.08.2021 Gazette 2021/32)

(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: 05.02.2020 GB 202001517 27.05.2020 GB 202007902 (71) Applicant: Sutton, Philip Burton, Neston CH64 5SZ (GB)	(72) Inventor: Sutton, Philip Burton, Neston CH64 5SZ (GB) (74) Representative: Prichard, Leslie Stephen  Culverstons 20 Dawlish Road Wirral, Merseyside CH61 2XP Wirral, Merseyside CH61 2XP (GB)