Railroad switchyard management process and related infrastructure
CA 2835682 C · Owner: Canadian National Railway Company · Inventors: Muinonen, Kari; Barker, Matthew; Doyle, Gordon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method for computing railcar switching solutions in a railway switch yard. The switch yard having an area containing a plurality of railcars awaiting to be switched a plurality of classification tracks and a switch for switching railcars from the area to the classification tracks. The system has a processing entity for computing an expected switch time for a given railcar in the area awaiting to be switched the , expected switch time being indicative of when the given railcar is expected to arrive at the switch. The processing entity further using the expected switch time to compute a railcar switching solution for the given railcar the railcar switching , solution …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed December 30, 2005 and granted October 18, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 30, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.