Wind turbine blade and manufacturing method thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 28, 2017
Grant Date -
Aug 21, 2014
app pub date -
Dec 30, 2013
filing date -
Feb 18, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A manufacturing method of a wind turbine generator includes a cutting step of cutting a base blade at m cutting planes into (m+1) sections where m is an even number, the m cutting planes being at different positions in a blade length direction; and joining step of joining (m/2+1) sections of the (m+1) sections together to obtain a wind turbine blade which is shorter than the base blade, the (m/2+1) sections including a blade-root section which is closest to a blade root and a blade-tip section which is closest to a blade tip, the blade-root and blade-tip sections being non-adjacent to each other.
First Claim
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International Classification(s)
- 2013 Application Filing Year
- F03D Class
- 666 Applications Filed
- 577 Patents Issued To-Date
- 86.64 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- F03D Class
- 17.82 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 28, 2028 |
