(19)

(11)

EP 3 976 890 A1

(12)

(43) Date of publication: 06.04.2022 Bulletin 2022/14 (21) Application number: 20742889.7 (22) Date of filing: 27.05.2020

(51) International Patent Classification (IPC):  E02F 3/90(2006.01) E02F 5/00(2006.01) E02F 9/26(2006.01) E02F 9/06(2006.01) E02F 3/92(2006.01) E02F 5/28(2006.01) E02F 3/88(2006.01) (52) Cooperative Patent Classification (CPC): E02F 9/262; E02F 9/265; E02F 3/9243; E02F 3/9256; E02F 3/907; E02F 5/006; E02F 5/28; E02F 3/8833; E02F 9/065 (86) International application number: PCT/IB2020/054995 (87) International publication number: WO 2020/245703 (10.12.2020 Gazette 2020/50)

(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: 03.06.2019 IT 201900007839 (71) Applicant: Mongiardino, Bartolomeo 35660 Las Palmas de Gran Canaria (ES)	(72) Inventor: Mongiardino, Bartolomeo 35660 Las Palmas de Gran Canaria (ES) (74) Representative: Karaghiosoff, Giorgio Alessandro  c/o Praxi Intellectual Property S.p.A. - Savona Via F. Baracca 1R, 4° piano "Il Gabbiano" 17100 Savona 17100 Savona (IT)