Method and means for mounting a wind turbine on a tower
CA 2447867 A1 · Owner: Willis, Jeffrey O. · Inventors: Willis, Jeffrey O.; Hansen, Anthony J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The apparatus of this invention is utilized for mounting a wind turbine on the upper end of a wind turbine tower (12) the invention also relates to the , method of erecting the same. The tower is provided with a pair of spaced-apart guide rails (26) positioned at one side thereof which extend from the lower end to the upper end of the tower. A carriage (32) is movably mounted on the guide rails and has a platform (52) pivotally mounted thereon adapted to support the wind turbine thereon. The carriage positions the wind turbine so that the spinner/hub and rotor blades may be secured thereto while the wind turbine is at the lower end of the tower and provides a means for slidably …
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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
- Filed May 30, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 30, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 30, 2023.
- 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.