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Vertical axis sail bladed wind turbine

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 sail bladed wind turbine

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 turbine

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

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Vertical axis type wind power turbine

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

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Vertical axis wind engine

Fluid reaction surfaces (i.e. – impellers) – With means positioning fluid current driven impeller... – Feathering cycle related to flow direction
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Vertical axis wind mill with retractable sails

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

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Vertical axis wind turbine

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition...
Reexamination Certificate

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Vertical axis wind turbine

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Impeller rotation speed responsive
Patent

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Vertical axis wind turbine

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Impeller rotation speed responsive
Patent

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Vertical axis wind turbine

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

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Vertical axis wind turbine

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

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Vertical axis wind turbine

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 wind turbine

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

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

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Vertical axis wind turbine

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

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

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Vertical axis wind turbine

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

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

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Vertical axis wind turbine and components therefor

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Control of drive brake or clutch
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Vertical axis wind turbine for generating usable energy

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Impeller rotation speed responsive
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