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

Locking control and overtravel safety stop system for variable l

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

Locking control and overtravel safety stop system for variable l

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

Mechanism for extendable rotor blades for power generating...

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

Mission replaceable rotor blade tip section

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

Motion damping apparatus for wind driven propellers

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

Mounting arrangement for variable diameter rotor blade assemblie

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

Propeller type windmill for power generation

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

Propfan blade attachment

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

Retractable blade for a helicopter rotor

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

Retraction/extension mechanism for variable diameter rotors

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

Rotor system having alternating length rotor blades and position

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

Rotor system having alternating length rotor blades and position

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

Rotor system having alternating length rotor blades for reducing

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

Telescoping wind turbine blade

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

Torque tube/spar assembly for variable diameter helicopter rotor

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

Variable cycle engine passive mechanism

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

Variable diameter rotor blade actuation system

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

Variable pitch propeller

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

Variable pitch propeller