F05B2240/3121 - CPC Classification Index

ClassID:

144637 ⎘

F05B2240/3121 - CPC Classification

Classification description:

Components; Rotors; Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape capable of being reefed around an axis orthogonal to rotor rotational axis

Recent Application in this class:

20190136829

System for Generating Electric Energy by Exploiting Wind at Height

20160376807

System and method for assembling tower sections of a wind turbine lattice tower structure

20100303623

Wind power device

20100068058

BLADE WITH HINGED BLADE TIP

20090096217

Wind turbine with perimeter power takeoff

20090058095

METHODS AND APPARATUS FOR ADVANCED WIND TURBINE DESIGN

20080185480

Ultralight airfoils for wind energy conversion

20070182162

METHODS AND APPARATUS FOR ADVANCED WINDMILL DESIGN

20070138798

Methods and apparatus for advanced wind turbine design

20070024058

Methods and apparatus for advanced wind turbine design

20060078416

Vertical axis wind or water turbine

20050207890

Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof

20050207889

Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof

20050200135

Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof

20050200134

Wind turbine provided with a controller for adjusting active annular plane area and the operating method thereof