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EP 4 256 319 A1

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(43) Date of publication: 11.10.2023 Bulletin 2023/41 (21) Application number: 21901257.2 (22) Date of filing: 18.11.2021

(51) International Patent Classification (IPC):  G01N 29/06(2006.01) G01N 29/265(2006.01) G01N 29/24(2006.01) G01N 29/28(2006.01) G06F 3/0484(2022.01) (52) Cooperative Patent Classification (CPC): G06F 3/0482; G06F 3/04842; G01N 29/0645; G01N 29/11; G01N 29/043; G01N 2291/0231; G01N 29/4454 (86) International application number: PCT/US2021/059916 (87) International publication number: WO 2022/119721 (09.06.2022 Gazette 2022/23)

(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: 01.12.2020 US 202017108472 15.12.2020 US 202017122410 16.12.2020 US 202017123970 01.03.2021 US 202117188559 (71) Applicant: Verifi Technologies, LLC Waco, TX 76701 (US)

(72) Inventors: JACK, David A Waco, Texas 76701 (US) BLANDFORD, Benjamin M. Waco, Texas 76701 (US) BLACKMAN, Nathaniel J. Waco, Texas 76701 (US) (74) Representative: Murgitroyd & Company  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)