Patent Yard Sign in
Expired Canadian patentCanada

Continuous closed-circuit desalination apparatus without containers

CA 2572410 C · Owner: Desalitech L.T.D. · Inventors: Efraty, Avi

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

An apparatus for continuous closed-circuit consecutive sequential desalination of a salt water solution by reverse osmosis that comprises a closed circuit system comprising one or more desalination modules (M1-M5) having their respective inlets and outlets connected in parallel by conducing lines each , of desalination modules comprising one or more membrane elements a , pressurizing device (PP) for creating counter pressure to enable reverse osmosis desalination and replacement of released permeate by fresh a , circulation system for recycling the desalinated solution through the desalination modules, a conducting line system for for removing brine effluent a valve system (V) to …

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 June 23, 2005 and granted January 8, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 23, 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.
FiledJune 23, 2005
GrantedJanuary 8, 2013
Term endedJune 23, 2025
Patent numberCA 2572410 C
Classification (IPC)C02F1/42

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJune 23, 2005Patent grantedJan 8, 2013Term endedJune 23, 2025

Sources & verification

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