Block heat exchanger for dust-containing flue gases
CA 2535308 C · Owner: Poellmann, Peter · Inventors: Franz, Marcus; Poellmann, Peter; Kalterherberg, Gerhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to methods of operating heat exchangers for combustion devices which operate using the condensing boiler technology and produce dust-containing flue gases e.g. from the combustion of biomass. The operating method of the invention reduces the formation of dust deposits in the flue gas channels of the heat exchanger. In addition the invention relates to improved heat exchangers which are suitable for operation in the presence of dust-containing flue gases.
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 February 7, 2006 and granted April 8, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 7, 2026.
- 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.