Patent Yard Sign in
Expired Canadian patentCanada

Control of a recovery boiler or alike

CA 2586820 C · Owner: Andritz Oy · Inventors: Saviharju, Kari

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

Method and system for controlling the operation of a recovery boiler or another boiler having a furnace wherein the operation is monitored by monitoring sensors, said sensors converting the acquired electromagnetic radiation to electrical signals which are conducted to image processing which forms an image of an object, such as the char bed and/or the char and/or chemicals on the furnace walls and/or deposits on boiler surfaces based on , the data from the sensors, and wherein the operation such as burning of the , char bed and/or the formation of char and/or chemicals on the furnace walls and/or the formation of deposits on boiler surfaces is controlled with help , of the image …

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 July 11, 2005 and granted May 19, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 11, 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.
FiledJuly 11, 2005
GrantedMay 19, 2015
Term endedJuly 11, 2025
Patent numberCA 2586820 C
Classification (IPC)G01N21/84

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJuly 11, 2005Patent grantedMay 19, 2015Term endedJuly 11, 2025

Sources & verification

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