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

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

Agitating vane

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

Blade apparatus

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

Cantilever mounted wind turbine

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

Fixed geometry self starting transverse axis wind turbine

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

In-pipe hydro-electric power system and turbine

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

Leading edge slat airfoil for multi-element rotor blade...

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

Propeller

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

Propeller construction

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

Straight wing type wind and water turbine

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

Three dimensional figure eight propeller/impeller blade apparatu

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

Tripod bladed wind turbine

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

Turbine ventilators and method of manufacture

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

Vertical axis wind turbine

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

Vertical-axis wind turbine with a twisted blade configuration

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

Wind turbine

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

Windmill rotor