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Airfoil for a wind-driven wheel

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Sectional – staged or nonrigid working member
Patent

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Airfoil for high efficiency/high lift fan

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Patent

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Airfoil having coolable leading edge region

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent

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Airfoil having improved impact and erosion resistance and...

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Coating – specific composition or characteristic
Reexamination Certificate

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Airfoil isolated leading edge cooling

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Utility Patent

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Airfoil isolated leading edge cooling

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Reexamination Certificate

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Airfoil leading edge end wall vortex reducing plasma

Fluid reaction surfaces (i.e. – impellers) – Method of operation
Reexamination Certificate

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Airfoil locator rib and method of positioning an insert in...

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Reexamination Certificate

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Airfoil pedestaled trailing edge region cooling configuration

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent

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Airfoil profile with optimized aerodynamic shape

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Reexamination Certificate

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Airfoil section for a rotor blade of a rotorcraft

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Tined or irregular periphery
Patent

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Airfoil shape for a compressor

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Reexamination Certificate

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Airfoil shape for a compressor

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Reexamination Certificate

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Airfoil shape for a compressor

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Reexamination Certificate

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Airfoil shape for a compressor

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Reexamination Certificate

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Airfoil shape for a compressor

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Reexamination Certificate

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Airfoil shape for a compressor

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Reexamination Certificate

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Airfoil shape for a compressor

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
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 – Radial flow devices
Reexamination Certificate

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