Patent Yard Sign in
Expired Canadian patentCanada

System and method for the production or handling of heavy oil

CA 2566298 C · Owner: Wordsworth, Carl · Inventors: Beg, Miraz Najam Ali; Wordsworth, Carl; Sarhsar, Mir Mahmood

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A system for the production or handling of heavy oil comprises means (18) for introducing an immiscible viscosity-reducing fluid into the heavy oil at an upstream end of a flow line (10,22) to create a dispersion of oil and viscosity-reducing fluid, and means (24,30) for separating the viscosityreducing fluid at least partially from the oil at a downstream end of the flow line. The separating means comprises a cyclonic fluid conditioning unit (24) connected receive the dispersion of oil and viscosity-reducing fluid from the downstream end of the flow line (22), said cyclonic fluid conditioning unit being constructed and arranged to subject the dispersion to a cyclonic conditioning …

Read the whole patent

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 May 16, 2005 and granted July 23, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 16, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 16, 2005
GrantedJuly 23, 2013
Term endedMay 16, 2025
Patent numberCA 2566298 C
Classification (IPC)E21B43/34 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMay 16, 2005Patent grantedJuly 23, 2013Term endedMay 16, 2025

Sources & verification

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