Air lifted airfoil
Air-driven ceiling fan
Air-driven ceiling fan
Airfoil structures and method
Apparatus for the treatment of meat products
Apparatus for ventilating an enclosed area
Axial blower
Axial flow blade wheel of a gas or steam driven turbine
Axial flow fan
Axial flow fan having auxiliary blade
Axial flow fan with auxiliary blades
Axial flow turbines
Axial propeller with increased effective displacement of air who
Axial-flow fan-blade with profiled guide fins
Blade for axial fluid machine having projecting portion at the t
Blade for centrifugal flow fan
Blades for propeller fan
Boat paddle
Boat propeller
Boundary layer fins for wind turbine blade