Patent Yard Sign in
Expired Canadian patentCanada

Wet gas cleaning system

CA 1069430 A · Owner: American Air Filter Company · Inventors: Huntington, Robert G.

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 wet gas cleaning system and process for removing particulates from a dirty process air stream including means for introducing the dirty process gas into a drying chamber and simultaneously therewith spraying the removed particulates or solids in finely divided form as a slurry into the chamber collecting agglomerated particulates resulting from drying of the mixture or process gas and slurry in a separator while passing the resulting gas stream containing the remaining fine particulates into a high energy wet scrubber and simultaneously therewith introducing a recycled scrubber solution thereto and removing the remaining fine particulates from the scrubber in the form of a slurry.

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

  • Granted January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJanuary 8, 1980
Term endedJanuary 8, 1997
Patent numberCA 1069430 A
Classification (IPC)B01D47/06

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJan 8, 1980Term endedJan 8, 1997

Sources & verification

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