(19)

(11)

EP 4 522 806 A2

(12)

(88) Date of publication A3: 11.01.2024 (43) Date of publication: 19.03.2025 Bulletin 2025/12 (21) Application number: 23804304.6 (22) Date of filing: 12.05.2023

(51) International Patent Classification (IPC):  E01D 15/24(2006.01) E02B 3/06(2006.01) E01D 15/14(2006.01) F03B 13/22(2006.01) (52) Cooperative Patent Classification (CPC): F05B 2240/40; F05B 2240/91; F05B 2260/406; F03B 13/189; E02B 3/20; E02B 3/062; B63B 2035/4466; B63B 35/34 (86) International application number: PCT/US2023/021993 (87) International publication number: WO 2023/220343 (16.11.2023 Gazette 2023/46)

(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: KH MA MD TN (30) Priority: 12.05.2022 US 202263340968 P (71) Applicant: Legacy Foundry AG 8002 Zürich (CH)	(72) Inventors: VOUILLAMOZ, Lucien 8835 Feusisberg (CH) JACCARD, Alain 1450 Sainte-Croix (CH) (74) Representative: Mötteli-Mantelli, Novella  Da Vinci Partners LLC Rathausgasse 1 9320 Arbon 9320 Arbon (CH)