LandOfFree - US Patents - Listing for Fluid reaction surfaces (i.e., impellers),Specific blade structure,Concave surface

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Advanced booster rotor blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

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Airfoil for a first stage nozzle guide vane

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

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Airfoil shape for a turbine bucket

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

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Airfoil shape for a turbine bucket

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

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Airfoil shape for a turbine bucket

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

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Backswept turbojet blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

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Bucket for the last stage of a steam turbine

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

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Compressor turbine blade airfoil profile

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

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Continuous curve high solidity hydrofoil impeller

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Patent

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Enhancements to high efficiency ceiling fan

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

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Fan blade with improved mix flow fan

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

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High efficiency twisted leaf blade ceiling fan

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

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Impeller blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Large area fan and fan blades usable for large spaces

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Low reynolds number, low drag, high lift airfoil

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

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Modified wind turbine airfoil

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

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Optimized aerodynamic airfoil for a turbine blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Reexamination Certificate

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Propeller

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Patent

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Propeller and impeller blade configuration

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Patent

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Propeller blade configuration

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Concave surface

Utility Patent

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