Device for hydraulic conveyance of loose materials
CA 1329403 C · Owner: Moskovsky Geologorazvedochny Institut Imeni Sergo Ordzhonikidze Imeni Sergo Ordzhonikidze · Inventors: Drobadenko, Valery Pavlovich; Koval, Vladimir Pavlovich; Lukonina, Olga Alexandrovna
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A device for hydraulic conveyance of loose materials comprises a vertical chamber having a cylindrical side surface and hemispherical a bottom and a cover and is provided with four respective pipes for liquid discharge, loose material charging, feeding the pressure liquid flow and slurry discharge in an upward flow. The pipes are held to the hemispherical cover and are arranged coaxially in such a manner that the loose material charging pipe is accommodated inside the liquid discharge pipe, the pressure liquid flow feeding pipe is accommodated inside the loose material charging pipe and the slurry upward flow discharging pipe is accommodated inside the pressure …
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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 May 10, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2011.
- 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.