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(11)

EP 4 798 791 A1

(12)

(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24777060.5 (22) Date of filing: 17.09.2024

(51) International Patent Classification (IPC):  E02D 27/42(2006.01) E02D 27/52(2006.01) (52) Cooperative Patent Classification (CPC): E02D 27/425; E02D 27/525; E02B 2017/0065; E02D 27/42 (86) International application number: PCT/NL2024/050505 (87) International publication number: WO 2025/089941 (01.05.2025 Gazette 2025/18)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 25.10.2023 NL 2036124 (71) Applicant: Baggermaatschappij Boskalis B.V. 3356 LK Papendrecht (NL)	(72) Inventors: THIJSSEN, René 3356 LK Papendrecht (NL) VOETEN, Rutger Cornelis Josephus 3356 LK Papendrecht (NL) (74) Representative: Geurts, Franciscus Antonius  Octrooibureau Vriesendorp & Gaade B.V. Koninginnegracht 19 2514 AB Den Haag 2514 AB Den Haag (NL)