Infrared detection of defects in wind turbine blades

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United States of America Patent

PATENT NO 9004753
SERIAL NO

13200914

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and an apparatus for detecting defects in the composite materials of a wind turbine blade or similar type of structure using an infrared (IR) camera. The temperature of the wind turbine blade is changed in such a way as to produce IR intensity changes in the region of the defect that can be visually detected or detected using a computer and signal processing algorithms. The same approach will work on other composite structures such as those found on aircraft.

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Patent Owner(s)

Patent OwnerAddress
KURION INC1355 COLUMBIA PARK TRAIL RICHLAND WA 99352

International Classification(s)

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  • 2011 Application Filing Year
  • G01J Class
  • 1310 Applications Filed
  • 892 Patents Issued To-Date
  • 68.10 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201120122013201420152016201720182019202020210255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bratton, Wesley L Richland, US 10 120
Leuschen, Wilhelmina C Kennewick, US 5 59
Maresca,, Jr Joseph W Sunnyvale, US 28 252
Rohrig, David A Richland, US 2 17

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Patent Citation Ranking

  • 11 Citation Count
  • G01J Class
  • 77.38 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges67347663013451201 - 1011 - 2021 - 3031 - 4041 - 5051 - 6071 - 80100 +020406080100120140160180200220240260280300320340360380

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 14, 2026