LandOfFree - US Patents - Listing for Fluid reaction surfaces (i.e., impellers),Working member foldable, pivotable or collapsible to non-use...

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Foldable propellers

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Foldable propellers

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use... – Member movement in rotation plane

Foldable propulsion system

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Folding boat propeller

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Folding boat propeller

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Folding fan

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Folding rotor blade/propeller drive and pitch control actuator

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Folding rotor for a rotorcraft

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Hand-held electric fan

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use... – Member movement in rotation plane

Helicopter blade folding system

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use... – Member movement in rotation plane

Helicopter rotor blade securement device

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use... – Member movement in rotation plane

Helicopter rotors

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use... – Member movement in rotation plane

Helicopter rotors

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Locking fan blade tongue and hub assembly

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Method and apparatus for deploying ram air turbine and lubricati

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use... – Member movement in rotation plane

Pitch actuation system restraint device for a helicopter blade f

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Portable wind machine

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Propellers with retractable blades

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

River turbine