(19)
(11) EP 4 507 948 A1

(12)

(43) Date of publication:
19.02.2025 Bulletin 2025/08

(21) Application number: 23719548.2

(22) Date of filing: 30.03.2023
(51) International Patent Classification (IPC): 
B61L 3/00(2006.01)
B60T 8/17(2006.01)
 B61L 27/57(2022.01)
(52) Cooperative Patent Classification (CPC):
B61L 27/57; B60T 8/1705; B60T 8/174; B61L 15/0094
(86) International application number:
PCT/US2023/016825
(87) International publication number:
WO 2023/200597 (19.10.2023 Gazette 2023/42)
(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: 14.04.2022 US 202217721311

(71) Applicant: BNSF Railway Company
Fort Worth, TX 76131 (US)

(72) Inventors:
  • NEAL, Scott, Alan, Jr.
    Fort Worth, TX 76109 (US)
  • KURIAKOSE, Siju, Pallimolel
    Bedford, TX 76021 (US)

(74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB 
Leopoldstraße 4
80802 München
80802 München (DE)

   


(54) AUTOMATED POSITIVE TRAIN CONTROL EVENT DATA EXTRACTION AND ANALYSIS ENGINE FOR PERFORMING ROOT CAUSE ANALYSIS OF UNSTRUCTURED DATA