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

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Windmill with direction-controlled feathering

Fluid reaction surfaces (i.e. – impellers) – With means positioning fluid current driven impeller... – Offset relative to flow direction

Patent

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Windmill with radial vanes

Fluid reaction surfaces (i.e. – impellers) – Spiral blade or flow passage

Patent

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Windmill with removable wind vane plates arranged in multi-rows-

Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Responsive to gravity or working fluid force

Patent

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Windmill yaw and speed controls

Fluid reaction surfaces (i.e. – impellers) – With means positioning fluid current driven impeller...

Patent

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Windmotor as a windbreak

Fluid reaction surfaces (i.e. – impellers) – Working member supported on endless flexible carrier – Feathering blades

Patent

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Windpower generator apparatus

Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Continuous rotation about plural axes

Reexamination Certificate

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Windpower system

Fluid reaction surfaces (i.e. – impellers) – Interrelated controls for impeller and drive means – Pitch adjustment related to drive brake or clutch operation

Patent

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Wing mounting for a rotary wing aircraft

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

Patent

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Winglet for wind turbine rotor blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Irregular – flanged or channel forming blade surface

Reexamination Certificate

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Wire diverter for downrods of ceiling fans

Fluid reaction surfaces (i.e. – impellers) – With illumination means

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Wooden fan blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Apertured or permeable

Reexamination Certificate

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Wooden wind turbine blade manufacturing process

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Laminated – embedded member or encased material

Patent

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Woven turbomachine impeller

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Laminated – embedded member or encased material

Reexamination Certificate

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Wrapped paired blade rotor

Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Axially extending shroud ring or casing

Patent

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