Canadian National Railway Company
Utility Patent Applications

Last updated:

List of all Canadian National Railway Company patents 7 in total

Status Patent
Application
Utility: METHOD AND SYSTEM FOR INSPECTING RAILWAY TRACKS External link
Filling date: 8 Sep 2025 Issue date: 11 Aug 2022
Application
Utility: DEVICE FOR DEWATERING AND METHOD OF MAKING SAME External link
Filling date: 8 Sep 2025 Issue date: 4 Nov 2021
Application
Utility: METHOD AND SYSTEM FOR INSPECTING RAILWAY TRACKS External link
Filling date: 8 Sep 2025 Issue date: 11 Feb 2021
Application
Utility: METHOD AND SYSTEMS FOR TRANSPORTING BITUMEN IN SOLIDIFIED FORM External link
Filling date: 8 Sep 2025 Issue date: 21 Jan 2021
Application
Utility: METHOD AND SYSTEM FOR DISPLAYING WORK ASSIGNMENT STATUS INFORMATION IN CONNECTION WITH WORK TO BE PERFORMED ON A COMPONENT OF A LINEAR ASSET INFRASTRUCTURE External link
Filling date: 8 Sep 2025 Issue date: 19 Mar 2020
Application
Utility: Method and System for Assigning Jobs to Prevent Employee Qualifications From Lapsing External link
Filling date: 8 Sep 2025 Issue date: 9 Jan 2020
Application
Utility: USER INTERFACE FOR PROVIDING A USER WITH THE ABILITY TO VIEW JOB ASSIGNMENT INFORMATION External link
Filling date: 8 Sep 2025 Issue date: 29 Aug 2019

Showing 1 to 7 of 7 patents.