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EP 4 340 687 A1

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(43) Date of publication: 27.03.2024 Bulletin 2024/13 (21) Application number: 22946017.5 (22) Date of filing: 06.06.2022

(51) International Patent Classification (IPC):  A47K 3/00(2006.01) E04H 4/12(2006.01) H02H 3/027(2006.01) A61H 33/00(2006.01) H01H 83/14(2006.01) H02H 3/16(2006.01) (52) Cooperative Patent Classification (CPC): A61H 33/00; H01H 83/14; H02H 3/027; H02H 3/16; E04H 4/0056; E04H 4/144; E04H 4/08; E04H 4/10; E04H 4/06; E04H 4/148; E04H 4/1209; E04H 4/14 (86) International application number: PCT/US2022/072782 (87) International publication number: WO 2023/239410 (14.12.2023 Gazette 2023/50)

(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 (71) Applicants: Belgravia Wood Limited Tortola, VG1110 (VG) Zhang, Kevin Road Town, Tortola, VG1110 (VG) Jin, Will Road Town, Tortola, VG1110 (VG) Tong, Ricky Road Town, Tortola, VG1110 (VG) Szweda, Eric Road Town, Tortola, VG1110 (VG) Olsen, Paul Road Town, Tortola, VG1110 (VG) Ramos, Jaime Road Town, Tortola, VG1110 (VG)

(72) Inventors: ZHANG, Kevin Town, Tortola, VG1110 (VG) JIN, Will Town, Tortola, VG1110 (VG) TONG, Ricky Town, Tortola, VG1110 (VG) SZWEDA, Eric Town, Tortola, VG1110 (VG) OLSEN, Paul Town, Tortola, VG1110 (VG) RAMOS, Jaime Town, Tortola, VG1110 (VG) (74) Representative: Finnegan Europe LLP  1 London Bridge London SE1 9BG London SE1 9BG (GB)