(19)

(11)

EP 3 619 788 A1

(12)

(43) Date of publication: 11.03.2020 Bulletin 2020/11 (21) Application number: 17726841.4 (22) Date of filing: 03.05.2017

(51) International Patent Classification (IPC):  H02J 7/00(2006.01) (86) International application number: PCT/EP2017/060582 (87) International publication number: WO 2018/202294 (08.11.2018 Gazette 2018/45)

(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: MA MD (71) Applicant: Wattdock UG (Haftungsbeschränkt) 12167 Berlin (DE)	(72) Inventor: TRISHKIN, Oleg 10707 Berlin (DE) (74) Representative: Maikowski & Ninnemann Patentanwälte Partnerschaft mbB  Postfach 15 09 20 10671 Berlin 10671 Berlin (DE)