LandOfFree - US Patents - Listing for Fluid reaction surfaces (i.e., impellers),Radially extensible or retractible rotor working member

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member

Adjustable vane centrifugal pump impeller construction

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member

Aircraft airfoil assembly and method

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member – Having pitch adjustment

Automatic centrifugal force variable pitch propeller

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member – Having pitch adjustment

Blade arm

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member

Blade lock system for variable diameter rotor systems

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member

Collapsible vertical wind mill

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member

Compressor airfoils with movable tips

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member – Variable work surface or non-rigid connection

Conformal sliding bearing

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member – Having pitch adjustment

Deployable rotor

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member – Variable work surface or non-rigid connection

Directional control system for rotary wing aircraft

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member

Drive system for a variable diameter tilt rotor

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member

Drive system for changing the diameter of a variable diameter ro

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member – Variable work surface or non-rigid connection

Drive system for the retraction/extension of variable...

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member

Electricity generating wind turbine

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member – Variable work surface or non-rigid connection

Fluid mechanical converter

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member

Foldable propeller assembly

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member

Folding propeller

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member

Folding rotor for an autogyro device

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member

Harmonic drive system for the retraction/extension of...