(19)

(11)

EP 2 849 993 A1

(12)

(43) Date of publication: 25.03.2015 Bulletin 2015/13 (21) Application number: 13724905.8 (22) Date of filing: 16.05.2013

(51) International Patent Classification (IPC):  B63B 35/68(2006.01) (86) International application number: PCT/NL2013/050362 (87) International publication number: WO 2013/172712 (21.11.2013 Gazette 2013/47)

(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 (30) Priority: 16.05.2012 NL 2008836 (71) Applicant: Rotortug Holding B.V. 3011 XE Rotterdam (NL)	(72) Inventors: KOOREN, Antonie Marius 3011 XE Rotterdam (NL) AALBERS, Arie 3011 XE Rotterdam (NL) (74) Representative: Jansen, Cornelis Marinus et al V.O. Johan de Wittlaan 7 2517 JR Den Haag 2517 JR Den Haag (NL)