ClassID:

144608

F05B2240/2022 - CPC Classification

Classification description:

Components; Rotors with adjustable area of intercepted fluid by means of tethering or coning blades

Recent Application in this class:
#1
20250237191
2025-07-24

Mechanical-Only, Multi-Use, Automatically Retractable Vertical Wind Turbine, Using Wing Drag

#2
20240369038
2024-11-07

FOLDING BLADE WIND TURBINE

#3
20240077057
2024-03-07

A METHOD FOR STARTING A WIND TURBINE WITH HINGED WIND TURBINE BLADES

#4
20230287867
2023-09-14

VIMPROVED HORIZONTAL WIND TURBINE

#5
20210372368
2021-12-02

Folding blade wind turbine

#6
20210340954
2021-11-04

Hinged wind turbine blade defining an angle in a flap-wise direction

#7
20210324831
2021-10-21

NOISE REDUCTION IN A WIND TURBINE WITH HINGED BLADES

#8
20210310462
2021-10-07

Method for controlling a tip height of a wind turbine

#9
20210215134
2021-07-15

Wind turbine with a pivoted rotor blades, wire and release mechanism for stopping

#10
20210215130
2021-07-15

Wind turbine with hinged blades having a hinge position between inner and outer tip end of the blades

#11
20210207582
2021-07-08

Wind turbine with blades hinged at an intermediate position

#12
20190226452
2019-07-25

Folding blade wind turbine

#13
20180209400
2018-07-26

Wind turbine blade having an erosion shield

#14
20170167534
2017-06-15

Elastomeric teetering hinge

#15
20170114774
2017-04-27

Blade pitch control apparatus for small size wind power generator

#16
20170022973
2017-01-26

Upwind wind turbine

#17
20150219072
2015-08-06

Wind turbine with automatic tilting frame for unloading damaging winds encountered by wind turbines

#18
20150152844
2015-06-04

Folding blade wind turbine

#19
20140241882
2014-08-28

Systems for minimizing yaw torque needed to control power output in two-bladed, teetering hinge wind turbines that control power output by yawing

#20
20140226926
2014-08-14

Elastomeric teetering hinge

#21
20130189102
2013-07-25

Wind turbines

#22
20120288372
2012-11-15

Teeter-restraint device for wind turbines

#23
20120257974
2012-10-11

Wind turbine

#24
20120169052
2012-07-05

Wind Power Plant with a plurality of Wind Power Devices and Method for Controlling the Wind Power Plant

#25
20120027618
2012-02-02

ANGLED BLADE ROOT

#26
20110211957
2011-09-01

SELF REGULATING WIND TURBINE

#27
20110142655
2011-06-16

Fan set for wind power generator

#28
20100301607
2010-12-02

Upwind wind turbine and operation method thereof

#29
20100133848
2010-06-03

Wind turbine

#30
20100117368
2010-05-13

DRIVE TRAIN SUPPORTING STRUCTURE FOR A WIND TURBINE

#31
20090068012
2009-03-12

Teeter-restraint device for wind turbines

#32
20080012346
2008-01-17

Wind-turbine with load-carrying skin

#33
20070098555
2007-05-03

WIND TURBINE COMPRISING ELASTICALLY FLEXIBLE ROTOR BLADES

#34
20070015617
2007-01-18

Belt-driven drive-train

#35
20060127210
2006-06-15

Submerged run of river turbine

#36
20060045743
2006-03-02

Foldable blades for wind turbines

#37
20050196281
2005-09-08

Wind driven power generating system