(19)

(11)

EP 4 739 845 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24748436.3 (22) Date of filing: 03.07.2024

(51) International Patent Classification (IPC):  E02B 3/12(2006.01) E04H 4/00(2006.01) E02B 3/16(2006.01) (52) Cooperative Patent Classification (CPC): E02B 3/16; E02B 3/126; E02B 3/123; E04H 2004/147 (86) International application number: PCT/IB2024/056482 (87) International publication number: WO 2025/008757 (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: 04.07.2023 IT 202300013935 (71) Applicant: Carpi Tech B.V. 4872 LA Etten-Leur (NL)	(72) Inventor: SCUERO, Alberto Maria 4872 LA Etten-Leur (NL) (74) Representative: Luppi Intellectual Property S.r.l.  Viale Corassori, 54 41124 Modena 41124 Modena (IT)