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Expired Canadian patentCanada

Multi component liquid mixer with accumulator and throttle control

CA 1064472 A · Owner: Massachusetts Institute Of Technology · Inventors: Malguarnera, Salvatore C.; Suh, Nam P.; Anderson, Frederick H.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

At least two fluids are each directed from a separate source to separate inlets of a mixer wherein the fluids are mixed. Prior to mixing, each fluid is stored in a separate accumulator under pressure. The pressure of the fluid in each accumulator is controlled so that there is a small pressure drop in the conduit between each accumulator and the mixer and so that the ratio of the flow rates by weight of the fluids at the inlets is substantially constant and so that the momenta of the fluids at the inlets are substantially equal.

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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 October 16, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 16, 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—
GrantedOctober 16, 1979
Term endedOctober 16, 1996
Patent numberCA 1064472 A
Classification (IPC)B01F13/06 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedOct 16, 1979Term endedOct 16, 1996

Sources & verification

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