Wind driven turbine
CA 2299154 C · Owner: Yousif, Ossama I. I. · Inventors: Yousif, Ossama I. I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to vertical and horizontal axle wind turbines. In particular, to a device that takes in all the wind cross section facing it and with, minimum loss on frictional and mechanical resistance puts it to work to spin , a, generator for instance. It's superiority is revealed in it's ability to increase wind, energy by increasing air density in wind compaction tunnels then gradually, releasing that into smaller wind turbines which can work separately in pairs, and, groups, on one or more generator and can be stacked in an airtight fashion. Thus, the device can produce at wind velocities from the very low to the structural damaging. The invention is customer innovation …
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 February 11, 2000 and granted January 28, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 11, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 11, 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.