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Home
Stocks
CNI
Utility Patent Applications
Canadian National Railway Company
Utility Patent Applications
Last updated:
8 Sep 2025
List of all Canadian National Railway Company patents
7 in total
All
Design
Utility application
Utility grant
Status
Patent
Filling date
Issue date
Application
Utility:
METHOD AND SYSTEM FOR INSPECTING RAILWAY TRACKS
External link
Filling date:
8 Sep 2025
Issue date:
11 Aug 2022
25 Apr 2022
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
29 Apr 2021
4 Nov 2021
Application
Utility:
METHOD AND SYSTEM FOR INSPECTING RAILWAY TRACKS
External link
Filling date:
8 Sep 2025
Issue date:
11 Feb 2021
21 Sep 2020
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
4 Aug 2020
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
8 Nov 2019
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
18 Jul 2019
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
7 Feb 2019
29 Aug 2019
Showing
1
to
7
of
7
patents.
1