US Patent 10428831 Stepped leading edge fan blade
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Patent abstract
A fan blade apparatus for use in a high-volume, low-speed fan wherein the fan blade includes a body portion, a leading edge portion and a trailing portion. The fan blade coupled to an electric motor configured to rotate in an intended direction wherein the leading portion of the fan blade is at the forefront of the rotation of the blade. The leading edge portion of the fan blade includes a series of steps extending along the length of the leading edge. The stepped configuration creates turbulent air flow when the electric motor rotates in the intended direction.
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Patent Inventor Names
Darrin Walter Niemiec0
James C. Muth0
Patrick Todd Woodzick0
William J. Carlson0
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Patent Citations Received
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Official Website
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Patent Jurisdiction
Patent Number
104288310
Date of Patent
October 1, 2019
0Patent Application Number
148141610
Date Filed
July 30, 2015
0Official Website
Patent Primary Examiner
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US Patent 10428831 Stepped leading edge fan blade
Infobox
Is a
Patent jurisdiction
Patent number
10428831
Date of patent
October 1, 2019
Patent application number
14814161
Date Filed
July 30, 2015
Patent primary examiner
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