Tube assembly for a boiler
CA 2508744 C · Owner: Prime Boilers Inc. · Inventors: Zorzit, Vittorio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A boiler is described comprising a housing with a flue gas inlet for receiving a hot gas flame and an outlet for venting a hot gas produced by the hot gas flame and a tube assembly mounted within the housing. The tube assembly comprises a lower manifold for receiving a liquid an upper manifold for receiving a heated version of the liquid; and a plurality of tubes disposed between the lower and upper manifolds. Each tube is shaped to provide a hot gas pathway that travels in a parallel fashion along at least a lower portion of the longitudinal extent of each tube in the tube assembly to the outlet whereby the liquid introduced into the lower manifold travels in the plurality of tubes and …
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 May 31, 2005 and granted April 23, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 31, 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.