Electric thermal storage heating unit
CA 1295359 C · Owner: Steffes, Paul John · Inventors: Steffes, Thomas Peter; Fosaaen, Brian Al; Steffes, Paul John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electric thermal storage heating unit including an insulated housing defining a storage chamber having two lateral linear openings at the bottom; a plurality of heat-sink bricks within the storage chamber forming vertical ducts above the lateral linear openings; an electrical heating element having an upper portion extending into the ducts and a lower portion extending out of the storage chamber through a linear opening; a fan; a temperature control means for controlling operation of the fan in relation to the temperature of the space to be heated; and a heat load control means for measuring the temperature in the storage chamber and controlling the generation of heat in response …
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
- Granted February 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 4, 2009.
- 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.