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

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Helicopter blade airfoil

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

Patent

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Helicopter blade airfoil

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

Patent

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Helicopter blade and method of manufacture

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Laminated – embedded member or encased material

Reexamination Certificate

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Helicopter blade structure

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Formed with main spar

Patent

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Helicopter blade with a tip having a selected combination of swe

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

Patent

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Helicopter blade with a tip having a selected combination of swe

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

Patent

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Helicopter rotor blade

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

Patent

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Helicopter rotor blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Formed with main spar

Patent

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Helicopter rotor blade

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

Patent

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Helicopter rotor blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Formed with main spar

Patent

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Helicopter rotor blade having a replaceable anhedral tip

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Formed with main spar

Patent

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Helicopter rotor blade made from a multispar composite material

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Laminated – embedded member or encased material

Patent

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Helicopter rotor blade with improved performance characteristics

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

Patent

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Helicopter rotor blades

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

Patent

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Helicopter rotor blades

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

Patent

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Helicopter rotor blades

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Helicopter rotor blades

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Helicopter rotor blades

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Laminated – embedded member or encased material

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Helicopter rotor blades

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

Patent

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High and low pressure sides-integrating steam turbine, long blad

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

Patent

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