(19)

(11)

EP 4 323 270 A1

(12)

(43) Date of publication: 21.02.2024 Bulletin 2024/08 (21) Application number: 22723818.5 (22) Date of filing: 12.04.2022

(51) International Patent Classification (IPC):  B63B 73/10(2020.01) B63H 5/08(2006.01) (52) Cooperative Patent Classification (CPC): B63B 2035/007; B63B 7/04; B63B 1/246; B63B 1/24; B63H 21/17; B63B 2211/02; B63B 3/08 (86) International application number: PCT/IT2022/050096 (87) International publication number: WO 2022/219661 (20.10.2022 Gazette 2022/42)

(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: 13.04.2021 IT 202100009200 (71) Applicant: Ecodrone S.r.l. 19126 La Spezia (IT)	(72) Inventor: MONTAGNI, Marco 50032 BORGO SAN LORENZO (IT) (74) Representative: Petraz, Davide Luigi et al GLP S.r.l Viale Europa Unita, 171 33100 Udine 33100 Udine (IT)