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

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

Counterrotating aircraft propulsor blades

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

Counterrotating aircraft propulsor blades

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

Expandable spar filler block device

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

Fiber reinforced composite spar for a rotary wing aircraft

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

Helicopter blade structure

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

Helicopter rotor blade

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

Helicopter rotor blade

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

Helicopter rotor blade having a replaceable anhedral tip

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

Highly extensible power and/or signal transmission cable as...

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

Impeller and method using solid free form fabrication

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

Injection molded fan blade

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

Large airfoil structure and method for its manufacture

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

Large airfoil structure and method for its manufacture

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

Large surface structural component, especially rotor blade

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

Lightweight propulsor blade with internal spars and rigid base m

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

Modular construction for wind turbine blade

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

Multi-segment wind turbine blade and method for assembling...

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

Optimization of premium fiber material usage in wind turbine...

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

Plastics rotor blade