Canadian National Railway Co - Company Profile

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Canadian National Railway Co: Patents

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View up-to-date information on Canadian National Railway Co patents, including inventor and filing insights.

Patent Trends

Publication Identifier Document Type Title Classification-CPC Publication Date
US20230365868A1 Application Method and systems for transporting bitumen in solidified form C08J2395/00; C08J2423/06; C08J3/126; C08L2201/56; C08L2207/062; C08L2207/066; C08L2207/53; C08L2555/32; C08L2555/86; C08L95/00; C10G1/00 November 16, 2023
US11702598B2 Grant Method and systems for transporting bitumen in solidified form C08J2395/00; C08J2423/06; C08J3/126; C08L2201/56; C08L2207/062; C08L2207/066; C08L2207/53; C08L2555/32; C08L2555/86; C08L95/00; C10G1/00 July 18, 2023
CA3116876C Grant Device for dewatering and method of making same C02F11/12; C02F11/128; D03D1/00; D03D13/008; D03D15/217; D03D15/573; D10B2505/04; D10B2505/204 January 03, 2023
US11544641B2 Grant Method and system for inspecting railway tracks B61L23/04; G06F16/2455; G06F16/248; G06F3/0482; G06F40/174; G06Q10/06; G06Q10/063114; G06Q30/018; G06Q50/06; G06Q50/30 January 03, 2023
US20220253758A1 Application Method and system for inspecting railway tracks B61L23/04; G06F16/2455; G06F16/248; G06F3/0482; G06F40/174; G06Q10/06; G06Q10/063114; G06Q30/018; G06Q50/06; G06Q50/30 August 11, 2022
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Top Inventors by Filings (Count by publication)

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