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

Fluid reaction surfaces (i.e. – impellers) – Operator supported manually actuated type – Operation solely by direct hand manipulation

Paddle construction

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

Paddlewheel apparatus

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

Paddlewheel apparatus

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

Paired blade assembly

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

Panel damped hybrid blade

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...

Parallel serpentine cooled blade

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...

Partially coated airfoil and method for making

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...

Partially coated airfoil and method for making

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

Partially-metallic blade for a gas turbine

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Having wear liner – sheathing or insert

Particle erosion resistant covering for fan blade leading edge

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

Passenger cooling device

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...

Passive clearance system for turbine blades

Fluid reaction surfaces (i.e. – impellers) – Method of operation

Passive deicing for wind turbine blades

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

Passive speed and power regulation of a wind turbine

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

Patio table and pole fan combination

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...

Pattern cooled turbine airfoil

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

Pedestal fan

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

Pelton bucket

Fluid reaction surfaces (i.e. – impellers) – With weight-balancing means – Self-shifting or selectively adjustable mass

Pendulum for damping or eliminating low excitation frequencies