ClassID:

144607

F05B2240/2021 - CPC Classification

Classification description:

Components; Rotors with adjustable area of intercepted fluid by means of telescoping blades

Recent Application in this class:
#1
20230407840
2023-12-21

Rotatable Blade Apparatus With Individually Adjustable Blades

#2
20220154690
2022-05-19

ROTATABLE BLADE APPARATUS WITH INDIVIDUALLY ADJUSTABLE BLADES

#3
20190107101
2019-04-11

Rotatable blade apparatus with individually adjustable blades

#4
20170036761
2017-02-09

Adaptative wind turbine

#5
20160208772
2016-07-21

Wind turbine of low wind speeds

#6
20160169198
2016-06-16

Rotatable blade apparatus with individually adjustable blades

#7
20150167472
2015-06-18

Wind turbine blade and method of assembling the same

#8
20140044547
2014-02-13

Rotatable blade apparatus with individually adjustable blades

#9
20120263601
2012-10-18

Wind turbine with deployable air deflectors

#10
20120119504
2012-05-17

WIND ENERGY INSTALLATION

#11
20100266408
2010-10-21

Methods and system for providing power and signals in a turbine

#12
20100260603
2010-10-14

Variable length wind turbine blade having transition area elements

#13
20100196159
2010-08-05

Mass-centralizing blade extension drive mount locations for wind turbine

#14
20100111693
2010-05-06

WIND TURBINE DAMPING OF TOWER RESONANT MOTION AND SYMMETRIC BLADE MOTION USING ESTIMATION METHODS

#15
20090285682
2009-11-19

Wind turbine with deployable air deflectors

#16
20080124216
2008-05-29

Turbine blade assembly

#17
20070286728
2007-12-13

Rotatable blade apparatus with individually adjustable blades

#18
20070243060
2007-10-18

System for Controlling Wind Turbine Power, Consisting in Varying the Coefficient and Size of the Swept Areas

#19
20060171805
2006-08-03

Device for interacting with a fluid moving relative to the device and vehicle including such a device

#20
20060093483
2006-05-04

Sky turbine that is mounted on a city

#21
20060056972
2006-03-16

Wind turbine

#22
20050285406
2005-12-29

Telescoping wind turbine blade

#23
20050036888
2005-02-17

Windmill structure for use in wind power apparatus

#24
20050008488
2005-01-13

Sky turbine that may be mounted on top of a city