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Expired Canadian patentCanada

Device for pipeline transportation of loads by fluid flow

CA 1045609 A · Owner: Vsesojuzny Nauchno-Issledovatelsky I Proektno-Konstruktorsky Institut Po Truboprovodnym Konteinernym Sisteman "Vniipitransprogress" · Inventors: Kadzhelashvili, Zauri M.; Bakhanova, Lia N.; Khabuliani, Gamlet V.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention provides a device for transporting loads along a pipeline within a container. In use the container is, placed in the pipeline and is propelled along the pipeline by means of fluid pressure which is applied to one end thereof. The device has the novel characteristic of being able to move both with and against the fluid flow thereby removing the need for two pipelines or means for reversing the fluid flow when it is desired to carry loads in two opposite directions. It is particularly suitable for carrying liquid loads such as, petroleum, water etc. but other materials may also be carried. The device comprises a body and a turbine wheel mounted on said body, the blades of said …

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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

  • Granted January 2, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJanuary 2, 1979
Term endedJanuary 2, 1996
Patent numberCA 1045609 A
Classification (IPC)B65G51/04 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJan 2, 1979Term endedJan 2, 1996

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.