(19)

(11)

EP 4 337 055 A1

(12)

(43) Date of publication: 20.03.2024 Bulletin 2024/12 (21) Application number: 22740547.9 (22) Date of filing: 13.05.2022

(51) International Patent Classification (IPC):  A44B 19/26(2006.01) A44B 19/30(2006.01) B22D 17/16(2006.01) B21D 53/54(2006.01) B29C 45/00(2006.01) (52) Cooperative Patent Classification (CPC): A44B 19/26; A44B 19/30; B22D 17/16; B22D 25/02 (86) International application number: PCT/US2022/029275 (87) International publication number: WO 2022/241268 (17.11.2022 Gazette 2022/46)

(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: 14.05.2021 US 202117320421 (71) Applicant: Shah Technologies LLC Palm Beach Gardens, FL 33410 (US)	(72) Inventor: SHAH, Nirav, Ashok Mumbai 400 049 (IN) (74) Representative: HGF  HGF Limited 1 City Walk Leeds LS11 9DX Leeds LS11 9DX (GB)