(19)

(11)

EP 3 911 566 A1

(12)

(43) Date of publication: 24.11.2021 Bulletin 2021/47 (21) Application number: 20714680.4 (22) Date of filing: 16.01.2020

(51) International Patent Classification (IPC):  B63B 79/15(2020.01) B63B 79/30(2020.01) B63B 79/20(2020.01) (52) Cooperative Patent Classification (CPC): B63B 79/30; B63B 79/20; Y02A 90/10; B63B 79/15; G01S 13/951; G01S 17/88; G01S 13/88 (86) International application number: PCT/IB2020/000041 (87) International publication number: WO 2020/148595 (23.07.2020 Gazette 2020/30)

(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: 16.01.2019 BE 201905026 (71) Applicant: De Nul, Jan 9308 Aalst (BE)	(72) Inventor: DE LILLE, Ruben 9308 Aalst (BE) (74) Representative: Gevers Patents  Intellectual Property House Holidaystraat 5 1831 Diegem 1831 Diegem (BE)