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Expired Canadian patentCanada

Turbomixer having a rotary-type injector for mixing liquid and/or gaseous agents

CA 1314867 C · Owner: Katona, Zsolt · Inventors: Ando, Gyorgy; Katona, Zsolt; Bata, Istvan

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

A mixer is disclosed for absorbing and mixing gases in liquids, or for mixing a liquid with another liquid and/or atomizing a liquid in a gas. The mixer includes an impeller with blades which are bent backward the blades being surrounded on both sides by a front wall comprising an exhaust opening and a back wall sealing off at least the entire conveying area. A sectional chamber which is built together with the coaxial hollow main shaft stub, is constructed in the shaft of the impeller and at least two blades are assembled with a pipe for propellant. The inner end of the pipe adjoins a sectional chamber and a nozzle is provided on the outer end. The impeller is closed off with a casing, …

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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 March 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 23, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 16, 1989
GrantedMarch 23, 1993
Term endedMarch 23, 2010
Patent numberCA 1314867 C
Classification (IPC)B01F13/02

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJune 16, 1989Patent grantedMarch 23, 1993Term endedMarch 23, 2010

Sources & verification

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