Method of manufacturing a wind turbine blade, wind turbine blade, front cover and use of a front cover
CA 2516936 A1 · Owner: Hibbard, Paul · Inventors: Hibbard, Paul
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 method of manufacturing a wind turbine blade said , method comprising the steps of: casting at least two wind turbine shells and preferably one or more load bearing structures forming a wind turbine blade , structure including at least two longitudinal joints by adhering said at least two wind tubine shells and said one or more load bearing structures together forming one or more front covers to a shape substantially corresponding to said wind turbine blade structure or sections hereof positioning said one or , more front covers in relation to said wind turbine blade structure and , fastening said one or more front covers to said wind turbine blade structure …
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 28, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 28, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 28, 2025.
- 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.