(19)

(11)

EP 3 590 176 A1

(12)

(43) Date of publication: 08.01.2020 Bulletin 2020/02 (21) Application number: 18715794.6 (22) Date of filing: 07.03.2018

(51) International Patent Classification (IPC):  H02J 13/00(2006.01) G06Q 50/06(2012.01) H02J 3/00(2006.01) G01D 4/00(2006.01) (86) International application number: PCT/GB2018/050571 (87) International publication number: WO 2018/185454 (11.10.2018 Gazette 2018/41)

(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: 05.04.2017 GB 201705471 (71) Applicants: Logicor (R&D) Ltd. Wakefield, Yorkshire WF2 7AN (GB) Bowen, David Wakefield, Yorkshire WF2 7AN (GB)	(72) Inventor: BOWEN, David Wakefield Yorkshire WF2 7AN (GB) (74) Representative: Tomkinson, Alexandra  Bailey Walsh & Co LLP 1 York Place Leeds, LS1 2DR Leeds, LS1 2DR (GB)