Borehole reservoir
CA 1192051 A · Owner: Sunstore Kb · Inventors: Margen, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A borehole reservoir for the storage of heat in rock or similarly dense ground has substantially vertical boreholes each with a centrally located pipe of lesser diameter than the surrounding borehole the pipe being, open at the bottom thereof and extending to the vicinity of the bottom of the respective borehole. Upper parts of the boreholes and the pipes communicate with watersupply lines and water-return lines, connected to a device for circulating the water through the lines and the pipes and annular passages between the pipes and the walls of the boreholes. Pipelines are connected to heat-producing devices and heat consuming devices for alternate supply and removal of heat to and from …
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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 August 20, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 20, 2002.
- 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.