F05B2240/312 - CPC Classification Index

ClassID:

144636 ⎘

F05B2240/312 - 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

Sub-classes:

F05B2240/3121 » around an axis orthogonal to rotor rotational axis 15

Recent Application in this class:

20240191683

2024-06-13

ENERGY GENERATING DEVICE

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

20180291872

2018-10-11

Method of determining and controlling the attack angle of fixed-speed wind turbine blade

20170130698

2017-05-11

Wind turbine rotor blade, wind turbine and method for operating a wind turbine

20160222943

2016-08-04

Vertical axis turbine

20160169198

2016-06-16

Rotatable blade apparatus with individually adjustable blades

20160123300

2016-05-05

Vertical axis water/wind turbine motor using flight feather opening/closing wing system

#10

20150292478

2015-10-15

Rotor blade assembly having internal loading features

#11

20140044547

2014-02-13

Rotatable blade apparatus with individually adjustable blades

#12

20130094964

2013-04-18

Automatically adjusting wind energy paddlewheel

#13

20120328435

2012-12-27

Furling Mechanism for a Vertical Axis Turbine

#14

20120195757

2012-08-02

Vertical wind power generator

#15

20120183400

2012-07-19

ROTATING-BLADE VERTICAL-AXIS WIND TURBINE

#16

20120134824

2012-05-31

Lightweight, Collapsible Axial Wind Generator

#17

20120051912

2012-03-01

Articulated wind turbine blades

#18

20110163551

2011-07-07

Portable device for generating electric power

#19

20100310374

2010-12-09

RETRACTABLE BLADE STRUCTURE WITH A SPLIT TRAILING EDGE

#20

20100260603

2010-10-14

Variable length wind turbine blade having transition area elements

#21

20100150717

2010-06-17

Variable-diameter rotor with centrifugal forces compensation mechanism

#22

20100102561

2010-04-29

Using sail and wind power to generate electricity, and as a power source

#23

20100045037

2010-02-25

POWER GENERATION SYSTEM USING WIND TURBINES

#24

20090169379

2009-07-02

METHODS AND APPARATUS FOR ADVANCED WIND ENERGY CAPTURE SYSTEM

#25

20080296906

2008-12-04

POWER GENERATION SYSTEM USING WIND TURBINES

#26

20070286728

2007-12-13

Rotatable blade apparatus with individually adjustable blades

#27

20070147998

2007-06-28

Wind turbine

#28

20060056972

2006-03-16

Wind turbine

#29

20050263057

2005-12-01

Cyclosail wind turbine