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(11)

EP 4 771 399 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24857515.1 (22) Date of filing: 29.08.2024

(51) International Patent Classification (IPC):  G01P 15/093(2006.01) G01H 9/00(2006.01) G01D 5/353(2006.01) G01L 1/24(2006.01) (52) Cooperative Patent Classification (CPC): G01P 15/093 (86) International application number: PCT/AU2024/050925 (87) International publication number: WO 2025/043292 (06.03.2025 Gazette 2025/10)

(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: GE KH MA MD TN (30) Priority: 01.09.2023 AU 2023902826 (71) Applicant: Arkwright Technologies Pty Ltd Coromandel Valley, SA 5051 (AU)	(72) Inventors: ARKWRIGHT, John Hawthorndene, South Australia 5051 (AU) UNDERHILL, Ian Eagle Heights, Queensland 4271 (AU) (74) Representative: Wynne-Jones IP Limited  Southgate House Southgate Street Gloucester, Gloucestershire GL1 1UB Gloucester, Gloucestershire GL1 1UB (GB)