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Expired Canadian patentCanada

High pressure filter/separator and locking mechanism

CA 2426752 C · Owner: Tm Industrial Supply, Inc. · Inventors: Steiner, Carl A.

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

Disclosed is a two or three phase separator including a centrifugal separator a demister (if a three phase separator) and a filter contained within a housing. The filter uses an outside-in flow principle. The filter includes an inner layer or a center core that defines a hollow interior. An outer layer is positioned adjacent a.nd surrounding the inner layer. The outer layer includes a re-enforcement layer a first particle filter layer, a coalescer layer and a second particle filter layer. An access cover of the separator includes a cover plug an actuator cam, a plurality of idler cam plates and a plurality of mechanisms. The access cover cooperates with an opening and an annular groove in …

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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 April 16, 2003 and granted January 18, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 16, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 16, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 16, 2003
GrantedJanuary 18, 2011
Term endedApril 16, 2023
Patent numberCA 2426752 C
Classification (IPC)B01D46/02 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedApril 16, 2003Patent grantedJan 18, 2011Term endedApril 16, 2023

Sources & verification

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