(19)

(11)

EP 4 114 721 A1

(12)

(43) Date of publication: 11.01.2023 Bulletin 2023/02 (21) Application number: 21710061.9 (22) Date of filing: 23.02.2021

(51) International Patent Classification (IPC):  B63B 17/04(2006.01) (52) Cooperative Patent Classification (CPC): B63B 17/04 (86) International application number: PCT/IB2021/051497 (87) International publication number: WO 2021/176298 (10.09.2021 Gazette 2021/36)

(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: 02.03.2020 IT 202000004384 (71) Applicant: Filippelli, Lucio 19126 La Spezia (SP) (IT)	(72) Inventor: Filippelli, Lucio 19126 La Spezia (SP) (IT) (74) Representative: Lunati & Mazzoni S.r.L.  Via Carlo Pisacane, 36 20129 Milano 20129 Milano (IT)