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Canadian application, no grantCanada

Centrifugal fluid separator

CA 2003885 A1 · Owner: Gingras, Earl · Inventors: Gingras, Earl

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

This invention provides means for separating a fluid from contaminates comprising an outer shell which may be a pressure vessel having mounted within it an outer drum and an inner drum which rotate together creating centrifugal force on any fluids which are caused to flow through the apparatus, thereby causing separation according to density. A shelf mounted between the inner and outer drum creates, a shallow stream of heavier fluids capable of carrying contaminate particles such as sand. Means as provided to draw off contaminating fluids or solids such as water or sand from the mainstream such as oil.

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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 November 24, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 24, 2009.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 24, 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.
FiledNovember 24, 1989
GrantedNo grant recorded
Term endedNovember 24, 2009
Patent numberCA 2003885 A1
Classification (IPC)B04B1/10

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedNov 24, 1989Term endedNov 24, 2009

Sources & verification

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