F05B2240/202 - CPC Classification Index

ClassID:

144606 ⎘

F05B2240/202 - CPC Classification

Classification description:

Components; Rotors with adjustable area of intercepted fluid

Sub-classes:

F05B2240/2021 » by means of telescoping blades 24
F05B2240/2022 » by means of tethering or coning blades 36
F05B2240/2023 » by means of radially reefing blades 5

Recent Application in this class:

20240337245

2024-10-10

AEROFOIL MODULE FOR PROPELLER AND TURBINE BLADES WITH PASSIVE VARIABLE AIR PASSAGE COVER

20230407840

2023-12-21

Rotatable Blade Apparatus With Individually Adjustable Blades

20220154690

2022-05-19

ROTATABLE BLADE APPARATUS WITH INDIVIDUALLY ADJUSTABLE BLADES

20190107101

2019-04-11

Rotatable blade apparatus with individually adjustable blades

20180313326

2018-11-01

Blade adapter for wind turbines

20160290316

2016-10-06

Wind turbine

20160169198

2016-06-16

Rotatable blade apparatus with individually adjustable blades

20140044547

2014-02-13

Rotatable blade apparatus with individually adjustable blades

20130334822

2013-12-19

Power generator

#10

20130287572

2013-10-31

Dynamic turbine system

#11

20130167523

2013-07-04

Arrangement for a surface area adjustment of a reciprocating wing system in a wave energy recovery system

#12

20120319403

2012-12-20

Wheel Turbine Rotor

#13

20120107117

2012-05-03

Wind turbine and a blade for a wind turbine

#14

20120080885

2012-04-05

ROTOR FOR A POWER GENERATOR, IN PARTICULAR FOR WIND TURBINES

#15

20120043762

2012-02-23

VARIABLE WINDMILL WING WIND POWER GENERATOR HAVING POWER GENERATION EFFICIENCY INCREASING MEANS

#16

20110135477

2011-06-09

Method and apparatus for increasing lift on wind turbine blade

#17

20100320771

2010-12-23

Power Generator

#18

20100266412

2010-10-21

Wind turbine

#19

20100181778

2010-07-22

Unity wind power plant with vertical axis of rotation

#20

20100172759

2010-07-08

Retractable wind turbines

#21

20100143152

2010-06-10

Method and apparatus for increasing lift on wind turbine blade

#22

20090317255

2009-12-24

Vertical axis wind turbine

#23

20090224553

2009-09-10

Oscillating Windmill

#24

20090224549

2009-09-10

Oscillating Windmill

#25

20090196753

2009-08-06

Blade support limb for vertical axis wind turbine

#26

20090184521

2009-07-23

Twin wind turbine power system

#27

20090058091

2009-03-05

Magnus force fluid flow energy harvester

#28

20080304969

2008-12-11

Built-in swing mechanism of rotary fan

#29

20080273975

2008-11-06

Sail Wing Type Windmill

#30

20080260532

2008-10-23

Vertical Axis Turbine

#31

20080238106

2008-10-02

Wind-powered generator system for generating electric power over a wide range of wind conditions

#32

20070286728

2007-12-13

Rotatable blade apparatus with individually adjustable blades

#33

20070014663

2007-01-18

Sail wing type windmill

#34

20060045743

2006-03-02

Foldable blades for wind turbines