System for certified use of electrical energy
CA 2389395 C · Owner: Bouwhuis, Egbert Age Johannes · Inventors: Bouwhuis, Egbert Age Johannes
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 system for showing the origin of a certain amount of electrical energy generated by a first method which is transported via a , network which is also adapted to transport energy generated by a second method, wherein the system comprises: at least one device for producing certificates which represent a quantity of energy generated by a first method; a system for transferring the thus produced certificates to consumers from the network; at least one measuring and interrupting device for connecting between the network and a user of electrical energy for proportionally reducing the energy representing the certificate in accordance with the electrical energy …
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 November 10, 2000 and granted July 19, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 10, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 10, 2022.
- 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.