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US Patent 11286947 Impeller and cooling fan including the impeller

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Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Alex Horng0

Chien-Yuan Tseng0

Chi-Min Wang0

Date of Patent

March 29, 2022

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Patent Application Number

168014050

Date Filed

February 26, 2020

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Patent Citations

US Patent 10487845 Fan structure and manufacturing method thereof

US Patent 10677258 Blower comprising impeller and motor

US Patent 10738787 Shrouded fan impeller with reduced cover overlap

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US Patent 10914313 Heat dissipation blade and heat dissipation fan

US Patent 10794393 Impeller, fan and method for manufacturing fan blade

US Patent 10989218 Fan wheel structure

US Patent 10001128 Fan impeller

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US Patent 10316862 Fan and method of cooling a motor

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Patent Citations Received

US Patent 12066031 Fan module

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Patent Primary Examiner

Courtney D Heinle

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CPC Code

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An impeller includes a hub, a plurality of blades provided around an outer periphery of the hub, and at least two connecting rings connected to the plurality of blades. Each of the plurality of blades has a top edge and a bottom edge opposite to the top edge. One or more of the at least two connecting rings is disposed between but not connected to the top edges and the bottom edges of the plurality of blades. A cooling fan including the impeller is also provided.

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