Vertical-flow hindered settling velocity classification system
CA 1266450 C · Owner: C-H Development And Sales, Inc. · Inventors: Hollingsworth, Clinton A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus and method for the separation of solid particles from hydrous slurries having particles of different settling velocities, such as slurries containing minerals including ore solids, coal and sands. me slurry solids are subjected to the jetting action of water discharged through barrier openings to effect separation between particles of greater settling velocity, which progress downwardly through the openings and are discharged in an underflow, and particles of lower velocity that progress upwardly and are discharged in an overflow.
Read the whole patent
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 March 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2007.
- 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.