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Expired Canadian patentCanada

Particle and light and heavy fluid separator

CA 2098300 C · Owner: Wade, Brian · Inventors: Wade, Brian

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

A fluid centrifuge device for separating fluids and/or solids comprises a nonrotatable containment vessel (6) and a rotatable shroud (6A) of conical or other form within said vessel (6). The vessel (6) is located between an inlet assembly (2) including a manifold (8) which leads to the interior of a turbine housing (14) of a turbocharger and an outlet assembly (4) including two outlets (10, 10A) for respectively clean and dirty gases. The shroud (6A) is mounted on a drive shaft (20) for rotation therewith. The shaft (20) and the shroud (6A) are driven by turbine blades (16) or by other drive.

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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

  • Filed January 27, 1992 and granted July 31, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 27, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 27, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 27, 1992
GrantedJuly 31, 2001
Term endedJanuary 27, 2012
Patent numberCA 2098300 C
Classification (IPC)F01N3/02 +2 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedJan 27, 1992Patent grantedJuly 31, 2001Term endedJan 27, 2012

Sources & verification

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