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EP 4 347 966 A1

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(43) Date of publication: 10.04.2024 Bulletin 2024/15 (21) Application number: 22808310.1 (22) Date of filing: 12.05.2022

(51) International Patent Classification (IPC):  E04B 1/61(2006.01) E04B 2/00(2006.01) E04B 1/02(2006.01) E04B 2/08(2006.01) E04B 1/38(2006.01) (52) Cooperative Patent Classification (CPC): E04B 1/34321; E04H 1/1205 (86) International application number: PCT/US2022/028896 (87) International publication number: WO 2022/241063 (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: 12.05.2021 US 202163187438 P 09.06.2021 US 202163208949 P 20.07.2021 US 202163223779 P 03.03.2022 US 202263316386 P 11.05.2022 US 202263340537 P (71) Applicant: Schofield Technologies, Inc. Dearborn, MI 48124 (US)

(72) Inventors: SCHOFIELD, William J. Dearborn, Michigan 48124 (US) CANNON, Daniel Scott Dearborn, Michigan 48124 (US) KMITA, Gerard J. Dearborn, Michigan 48124 (US) MASSER, Jeremy Dearborn, Michigan 48124 (US) (74) Representative: McDonough, Jonathan  Stonehampton IP Law Limited 7 Wragley House Valley Road Hebden Bridge West Yorkshire HX7 7BN West Yorkshire HX7 7BN (GB)