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(11)

EP 4 581 521 A1

(12)

(43) Date of publication: 09.07.2025 Bulletin 2025/28 (21) Application number: 23772700.3 (22) Date of filing: 31.08.2023

(51) International Patent Classification (IPC):  G06N 3/045(2023.01) G01M 13/045(2019.01) G06N 3/0464(2023.01) G06G 7/12(2006.01) G01H 1/00(2006.01) G06N 3/0455(2023.01) G06N 3/088(2023.01) (52) Cooperative Patent Classification (CPC): G01M 13/045; G06N 3/088; G06N 3/0455; G06N 3/0464; G06G 7/12; G06N 3/065; G01H 1/00; G06N 3/0442; G06N 3/082; G06N 3/084; G06N 3/09 (86) International application number: PCT/US2023/031692 (87) International publication number: WO 2024/049998 (07.03.2024 Gazette 2024/10)

(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: KH MA MD TN (30) Priority: 02.09.2022 US 202217902757 (71) Applicant: PolyN Technology Limited Bristol BS1 6QH (GB)	(72) Inventors: TIMOFEJEVS, Aleksandrs Bristol BS1 6QH (GB) MASLOV, Boris Palmetto, FL 34221 (US) (74) Representative: Keltie LLP  No. 1 London Bridge London SE1 9BA London SE1 9BA (GB)