Structure of a superheater
CA 2592615 C · Owner: Petanen, Pertti · Inventors: Petanen, Pertti; Kokko, Ari; Makela, Kari
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for reducing corrosion of a superheater (6) of a steam boiler which , superheater (6) comprises a superheater piping (7) which comprises a steam , pipe (9), where the steam (S) to be superheated is directed to. The steam pipe (9) is separated by a protective shell (8) whose surface settling in the flue , gas space (G) has a temperature that rises above an upper critical temperature (Tk2), above which temperature in the flue gas space the compounds from the fuel are substantially in a gaseous form. In addition the invention relates , to a superheater of a steam boiler and a circulating fluidized bed boiler.
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 December 27, 2005 and granted July 16, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 27, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.