Modulating solar-power regulator
CA 2249018 C · Owner: Bohringer, Volker · Inventors: Bohringer, Volker
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a method of controlling a heat accumulator. According to the, method the heat carrier, in contrast to conventional methods is not , controlled on the, basis of differences in temperatures between the energy collector and heat accumulator but as a function of the internal energy in the energy collector the, connection line between the energy collector and the heat accumulator and in the heat, accumulator.
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 March 13, 1997 and granted October 9, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 13, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 13, 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.