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Home
Stocks
CNI
Patents, Design & Utilities
Canadian National Railway Company
Patents, Design & Utilities
Last updated:
9 Nov 2025
List of all Canadian National Railway Company patents
11 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:
9 Nov 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:
9 Nov 2025
Issue date:
4 Nov 2021
29 Apr 2021
4 Nov 2021
Grant
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:
9 Nov 2025
Issue date:
9 Mar 2021
8 Nov 2019
9 Mar 2021
Application
Utility:
METHOD AND SYSTEM FOR INSPECTING RAILWAY TRACKS
External link
Filling date:
9 Nov 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:
9 Nov 2025
Issue date:
21 Jan 2021
4 Aug 2020
21 Jan 2021
Grant
Utility:
Wheel integrity monitoring system
External link
Filling date:
9 Nov 2025
Issue date:
15 Dec 2020
7 Apr 2017
15 Dec 2020
Grant
Utility:
Method and systems for transporting bitumen in solidified form
External link
Filling date:
9 Nov 2025
Issue date:
11 Aug 2020
17 Sep 2018
11 Aug 2020
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:
9 Nov 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:
9 Nov 2025
Issue date:
9 Jan 2020
18 Jul 2019
9 Jan 2020
Grant
Utility:
Method and system for displaying a condition status of a component of a linear asset system
External link
Filling date:
9 Nov 2025
Issue date:
31 Dec 2019
13 Feb 2019
31 Dec 2019
Application
Utility:
USER INTERFACE FOR PROVIDING A USER WITH THE ABILITY TO VIEW JOB ASSIGNMENT INFORMATION
External link
Filling date:
9 Nov 2025
Issue date:
29 Aug 2019
7 Feb 2019
29 Aug 2019
Showing
1
to
11
of
11
patents.
1