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(11)

EP 4 824 381 A1

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(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24904996.6 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  E06C 1/393(2006.01) E06C 7/16(2006.01) E06C 7/50(2006.01) E06C 1/18(2006.01) E06C 7/08(2006.01) (52) Cooperative Patent Classification (CPC): E06C 1/393; E06C 1/18; E06C 7/14; E06C 7/082 (86) International application number: PCT/US2024/060116 (87) International publication number: WO 2025/129056 (19.06.2025 Gazette 2025/25)

(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: GE KH MA MD TN (30) Priority: 15.12.2023 US 202363610685 P (71) Applicant: WERNER CO. Greenville, PA 16125 (US)	(72) Inventors: MCRORIE, Robert Grant III Huntersville, North Carolina 28078 (US) MELTON, Michael Glen Ellyn, Illinois 60137 (US) SINGH, Aditya Greenville, Pennsylvania 16125 (US) (74) Representative: Schmid, Nils T.F.  SKM-IP PartGmbB Oberanger 45 80331 München 80331 München (DE)