(19)

(11)

EP 4 463 920 A1

(12)

(43) Date of publication: 20.11.2024 Bulletin 2024/47 (21) Application number: 22836268.7 (22) Date of filing: 20.12.2022

(51) International Patent Classification (IPC):  H02G 3/08(2006.01) H02G 3/12(2006.01) H02G 3/14(2006.01) (52) Cooperative Patent Classification (CPC): H02G 3/14; H02G 3/123; H02G 3/081 (86) International application number: PCT/EP2022/086906 (87) International publication number: WO 2023/134976 (20.07.2023 Gazette 2023/29)

(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: 12.01.2022 IT 202200000356 (71) Applicant: GEWISS S.p.A. 24069 Cenate Sotto (Bergamo) (IT)	(72) Inventor: BOSATELLI, Fabio 24069 CENATE SOTTO (BERGAMO) (IT) (74) Representative: Forattini, Amelia  INTERNAZIONALE BREVETTI INGG. ZINI, MARANESI & C. S.R.L. Piazza Castello 1 20121 MILANO 20121 MILANO (IT)