(19)

(11)

EP 3 969 746 A1

(12)

(43) Date of publication: 23.03.2022 Bulletin 2022/12 (21) Application number: 20727741.9 (22) Date of filing: 14.05.2020

(51) International Patent Classification (IPC):  F03D 13/10(2016.01) E02B 17/02(2006.01) B63B 35/00(2020.01) F03D 13/25(2016.01) (52) Cooperative Patent Classification (CPC): B63B 35/003; E02B 17/027; F03D 13/10; F03D 13/25; B63B 77/10; B63B 27/16; E02B 2017/0091; E02B 2017/0047; E02B 2017/0043; E02B 2017/0065; Y02E 10/72; Y02E 10/727 (86) International application number: PCT/NL2020/050308 (87) International publication number: WO 2020/231261 (19.11.2020 Gazette 2020/47)

(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: 15.05.2019 NL 2023137 (71) Applicant: Kenz Figee Group B.V. 1505 HE Zaandam (NL)	(72) Inventors: KLAVER, Jan Pieter 1505 HE Zaandam (NL) VAN GRIEKEN, Gerardus Cornelius 1505 HE Zaandam (NL) (74) Representative: Geurts, Franciscus Antonius  Octrooibureau Vriesendorp & Gaade B.V. Koninginnegracht 19 2514 AB Den Haag 2514 AB Den Haag (NL)