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

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Including movement limit stop or damping means

Helicopter flap lock assembly

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting

Helicopter gimbal rotor

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting

Helicopter gimbal rotor

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting

Helicopter gimbal rotor

Fluid reaction surfaces (i.e. – impellers) – Drive by fluid reaction jet on working member – Articulated or flexible connection

Helicopter hub system

Fluid reaction surfaces (i.e. – impellers) – Method of operation

Helicopter in-flight rotor tracking system, method, and...

Fluid reaction surfaces (i.e. – impellers) – Method of operation

Helicopter individual blade control system

Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Responsive to fixed actuator

Helicopter individual blade control system

Fluid reaction surfaces (i.e. – impellers) – With weight-balancing means

Helicopter main rotor blade balance weight retention assembly

Fluid reaction surfaces (i.e. – impellers) – With fluid passage in working member communicating with... – Air and watercraft propellers

Helicopter main rotor blade having a short span slot near the ti

Fluid reaction surfaces (i.e. – impellers) – Interrelated controls for impeller and drive means – Pitch adjustment and throttle regulation with condition...

Helicopter power plant control

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Resilient bias or mount

Helicopter power train for distributing rotor blade flapping dis

Fluid reaction surfaces (i.e. – impellers) – Specific drive or transmission means – Hand mixers

Helicopter power transmitting apparatus

Fluid reaction surfaces (i.e. – impellers) – Plural impellers having relative movement or independent... – Differential or independent adjustment

Helicopter primary flight controls

Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Lead-lag type rotor blade movement

Helicopter provided with a plurality of lift elements each...

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Including movement limit stop or damping means

Helicopter rotor

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting

Helicopter rotor

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Nonmetallic resilient mounting

Helicopter rotor

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller...

Helicopter rotor