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

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Propeller with shrouding ring attached to blade

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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Propeller with variable rate of pitch change

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

Patent

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Propeller, structures and methods

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

Patent

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Propeller/fan-pitch feathering apparatus

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

Patent

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Propellers and impellers with stress-relieving recesses

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

Reexamination Certificate

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Propellers with retractable blades

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

Patent

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Propellors for watercraft

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices

Patent

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Propfan blade attachment

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

Patent

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Propfan blade erection damper

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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Propfan engine having two oppositely rotating fan rotors

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Propulsion aggregate for an aircraft

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

Patent

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Propulsion and steering apparatus

Fluid reaction surfaces (i.e. – impellers) – Support mounting – carrier or fairing structure – Selectively adjustable impeller mount

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Propulsion device having circular array of inclined airfoil elem

Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Radially extending web or end plate

Patent

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Propulsion device having circular array of inclined airfoil elem

Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Radially extending web or end plate

Patent

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Propulsion system seal for outboard drive

Fluid reaction surfaces (i.e. – impellers) – Ambient fluid or exhaust gas directed through hub – fairing...

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Propulsion unit for an aircraft and its control procedure

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

Patent

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Propulsor pitchlock and feather stop

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

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Protected flow meter rotor bearing

Fluid reaction surfaces (i.e. – impellers) – Having lubricating – sealing – packing or specific bearing...

Patent

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Protection of internal and external surfaces of gas turbine...

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Coating – specific composition or characteristic

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Protective air passing shield

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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