Heating system
CA 2210191 A1 · Owner: Ball, David A. · Inventors: Ball, David A.; Yates, Jan B.; Grimes, Steve
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A heating system uses a dynamic thermal stabilizer for receiving mixing, holding and outputting a circulating heat exchange liquid in a fashion similar to the use of a flywheel in the mechanical arts. Liquid is returned to the dynamic thermal stabilizer from both an input heat exchange unit and an output heat exchange unit. A two pump system affords a simple tee fitting arrangement that provides room air heating by directly using hot liquid either from the dynamic thermal stabilizer or directly (and at higher temperature) from the input heat exchange unit itself toautomatically achieve an additional boost of room heat using higher temperature liquid. The system can also provide initial …
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 10, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 10, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 10, 2019.
- 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.