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

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Vertical axis wind turbine motor

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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Vertical axis wind turbine rotor

Fluid reaction surfaces (i.e. – impellers) – Cupped reaction surface normal to rotation plane – Torque converters

Patent

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Vertical axis wind turbine rotor having self-fairing vanes

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Sectional – staged or nonrigid working member

Reexamination Certificate

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Vertical axis wind turbine with blade tensioner

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

Patent

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Vertical axis wind turbine with pultruded blades

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

Patent

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Vertical axis wind turbines

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

Patent

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Vertical axis wind turbines

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Patent

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Vertical axis wind turbines

Fluid reaction surfaces (i.e. – impellers) – Single blade rotary impeller with counterbalance

Patent

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Vertical axis wind turbines

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Vertical axis windmill

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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Vertical axis windmill

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Vertical axis windmill with multistage feathering of blades and

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Patent

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Vertical axle paddle motor

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Vertical shaft wind turbine and method of installing blades...

Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Distally supported on radial arm

Reexamination Certificate

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Vertical shaft windmill

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Vertical wind turbine

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

Patent

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Vertical-axis wind turbine

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

Patent

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Vertical-axis wind turbine with a twisted blade configuration

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Openwork

Patent

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Vertical-axis wind turbine with two-phase sails

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Sectional – staged or nonrigid working member

Patent

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Vertical-axis windmill of the Chinese type

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

Patent

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