Wind power machine
CA 2383846 A1 · Owner: Lie, Ingvald · Inventors: Lie, Ingvald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It is mentioned a device with a wind power machine for utilization of the energy in flowing fluid as air and water by that the device comprises transversal moving vanes which may yield a higher efficiency than e.g. traditional wind mills. Furthermore there is mentioned a regulation system for the pitch and a supporting system for the vanes which will make a wind power machine like this more efficient than those we find in literature. In the same way it is mentioned a construction which may be built on a tower and thus came to higher level which may increase the efficiency considerably as the air speed increases with about the power of four.
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 October 6, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 6, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 6, 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.