(19)

(11)

EP 4 326 944 A1

(12)

(43) Date of publication: 28.02.2024 Bulletin 2024/09 (21) Application number: 22741551.0 (22) Date of filing: 23.06.2022

(51) International Patent Classification (IPC):  E01F 9/30(2016.01) G09F 19/22(2006.01) (52) Cooperative Patent Classification (CPC): G09F 19/228; E01F 9/30; G09F 27/00 (86) International application number: PCT/GB2022/051616 (87) International publication number: WO 2022/269274 (29.12.2022 Gazette 2022/52)

(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 (71) Applicant: ASPHALT-IQ LIMITED Hull HU1 2AZ (GB)	(72) Inventor: COOK, Gary Alan Hull HU1 2AZ (GB) (74) Representative: Walker, Stephen et al Lincoln IP 4 Rubislaw Place Aberdeen, Aberdeenshire AB10 1XN Aberdeen, Aberdeenshire AB10 1XN (GB)