Method of heating a sauna and a sauna stove
CA 1309310 C · Owner: Yli-Kovero, Risto T. · Inventors: Yli-Kovero, Risto T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method of heating a sauna and to a sauna stove. In order that the energy consumption would be low, the stones in a stone space of the stove are first heated to a desired temperature by circulating air within the stove by means of a fan as a closed forced circulation merely through the stone space. After the desired temperature has been achieved the air is, begun to be circulated by means of the fan as an open forced circulation through the stone space and the sauna room.
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 October 27, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 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.