(19)
(11) EP 4 126 632 A1

(12)

(43) Date of publication:
08.02.2023 Bulletin 2023/06

(21) Application number: 21723338.6

(22) Date of filing: 06.04.2021
(51) International Patent Classification (IPC): 
B61L 23/04(1968.09)
B61L 27/00(1968.09)
(52) Cooperative Patent Classification (CPC):
B61L 23/042; B61L 27/53
(86) International application number:
PCT/GB2021/050850
(87) International publication number:
WO 2021/198713 (07.10.2021 Gazette 2021/40)
(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: 02.04.2020 GB 202004903

(71) Applicant: Plasmatrack Limited
London Greater London W4 5PY (GB)

(72) Inventor:
  • SWAN, Julian
    London Greater London W5 4XH (GB)

(74) Representative: Stanley, David William 
Stanleys Intellectual Property Suite LP44050 20-22 Wenlock Road
London, N1 7GU
London, N1 7GU (GB)

   


(54) SURFACE CONDITION MONITORING OF RAILWAY TRACKS