(19)

(11)

EP 4 739 853 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24836411.9 (22) Date of filing: 03.07.2024

(51) International Patent Classification (IPC):  E03F 5/04(2006.01) E06B 1/70(2006.01) (52) Cooperative Patent Classification (CPC): E06B 1/70; E03F 3/046; E03F 5/0407 (86) International application number: PCT/NO2024/050154 (87) International publication number: WO 2025/009979 (09.01.2025 Gazette 2025/02)

(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: 05.07.2023 NO 20230754 (71) Applicant: Neptun Merverdi AS 4026 Stavanger (NO)	(72) Inventor: TØNNESSEN, Alexander Nicolai 4026 Stavanger (NO) (74) Representative: Håmsø Patentbyrå AS  P.O. Box 9 4068 Stavanger 4068 Stavanger (NO)