(19)
(11) EP 4 237 621 A1

(12)

(43) Date of publication:
06.09.2023 Bulletin 2023/36

(21) Application number: 21810696.1

(22) Date of filing: 01.11.2021
(51) International Patent Classification (IPC): 
E01C 23/06(2006.01)
(52) Cooperative Patent Classification (CPC):
E01C 23/07; E01C 23/06; E01C 19/174
(86) International application number:
PCT/GB2021/052828
(87) International publication number:
WO 2022/090744 (05.05.2022 Gazette 2022/18)
(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: 30.10.2020 GB 202017228

(71) Applicant: Optical Metrology Services Ltd
Stansted, Essex CM24 8GF (GB)

(72) Inventor:
  • CLARKE, Timothy
    Stansted Essex CM24 8GF (GB)

(74) Representative: Tolfree, Adam Joseph Benjamin 
Tolfree Patents & Trademarks Toll Drove
Manea, Cambridgeshire PE15 0JX
Manea, Cambridgeshire PE15 0JX (GB)

   


(54) APPARATUS AND METHOD FOR REPAIRING DEFECTS IN A ROAD SURFACE