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

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Formed with main spar

Wind turbine blade joint assembly and method of making wind turb

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

Wind turbine blade pitch control system

Fluid reaction surfaces (i.e. – impellers) – Having positive means for impeller adjustment – Having pitch lock or adjustable stop

Wind turbine blade pitch control system

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

Wind turbine blade pitch control system

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

Wind turbine blade planforms with twisted and tapered tips

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

Wind turbine blade retention device

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Tined or irregular periphery

Wind turbine blade tip shapes

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

Wind turbine blade tip vortex breakers

Fluid reaction surfaces (i.e. – impellers) – Combined or convertible – Hub lubrication or seal

Wind turbine blade with a light beacon at the tip

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means

Wind turbine blade with a system for deicing and lightning...

Fluid reaction surfaces (i.e. – impellers) – Oscillatory reaction motion

Wind turbine blade with damping element

Fluid reaction surfaces (i.e. – impellers) – With means moving working fluid deflecting working member...

Wind turbine blade with governor for maintaining optimum rotatio

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

Wind turbine blade with improved trailing edge bond

Fluid reaction surfaces (i.e. – impellers) – With measuring – testing – signalling or inspection means

Wind turbine blade with integrated stall sensor and...

Fluid reaction surfaces (i.e. – impellers) – With means moving working fluid deflecting working member...

Wind turbine blade with lift-regulating means

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

Wind turbine blade with modular leading edge

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

Wind turbine blade with prefabricated leading edge segments

Fluid reaction surfaces (i.e. – impellers) – With measuring – testing – signalling or inspection means

Wind turbine blade with strain sensing means, wind turbine,...

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

Wind turbine blade with sufficiently high strength and light...