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

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Variable pitch marine propeller

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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Variable pitch marine propeller with hydrodynamic shifting

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

Patent

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Variable pitch marine propeller with shift biasing and synchroni

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Plural distinct impellers having related control

Patent

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Variable pitch mechanism for fan blades

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Power derived from impeller shaft

Patent

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Variable pitch mechanisms

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Blade cuff or shank construction

Patent

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Variable pitch mounting for airfoil blades of a windmill or prop

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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Variable pitch pan blade retention arrangement

Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Adjustable

Patent

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Variable pitch propeller

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

Patent

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Variable pitch propeller

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment

Patent

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Variable pitch propeller

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Motor bodily rotatable with impeller hub or shaft

Patent

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Variable pitch propeller

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

Patent

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Variable pitch propeller

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

Patent

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Variable pitch propeller

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Power or manual actuator on non-rotatable part

Patent

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Variable pitch propeller apparatus

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Power or manual actuator on non-rotatable part

Patent

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Variable pitch propeller apparatus

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to condition of torque or thrust of device or...

Patent

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Variable pitch propeller blade hub and drive and adjusting mecha

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Power or manual actuator on non-rotatable part

Patent

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Variable pitch propeller blades and drive and adjusting mechanis

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Power or manual actuator on non-rotatable part

Patent

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Variable pitch propeller blades, hub and drive and adjusting mec

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Power or manual actuator on non-rotatable part

Patent

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Variable pitch propeller control system

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – With electrical means comparing and reducing error related...

Reexamination Certificate

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Variable pitch propeller device

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Motor bodily rotatable with impeller hub or shaft

Patent

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