Solar water heater
CA 1308317 C · Owner: Showa Aluminum Corporation · Inventors: Muramatsu, Toshiaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A solar water heater comprising at least one casing having housed therein a heat collector of the heat pipe type having a condenser portion and a heat receiving tank for receiving heat from the condenser portion of the collector, and a hot water tank disposed outside the casing. The heat receiving tank is in communication with the hot water tank by a supply pipe and a return pipe to heat water in the hot water tank with the heat of a liquid within the heat receiving tank.
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 6, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 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.