Compact boiler with tankless heater for providing heat and domestic hot water and method of operation
CA 2432829 A1 · Owner: Abdel-Rehim, Ayman · Inventors: Cui, Shuqing; Abdel-Rehim, Ayman; Rolph, Neil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A small and compact boiler for providing hot water for indoor heating and domestic hat water and method of operation are provided. The boiler includes a three way valve configured to circulate boiler relater through a heating circuit, when indoor heat is required, and bypass flee heating circuit and circulate the, boiler water through the heat exchanger to enable production of domestic hot water.
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 June 20, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 20, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 20, 2025.
- 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.