ClassID:

144639

F05B2240/32 - 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 with roughened surfaces

Recent Application in this class:
#1
20250059946
2025-02-20

Modular wind turbine blade with lightning protection system

#2
20200003178
2020-01-02

Aerodynamic structure

#3
20200003177
2020-01-02

Aerodynamic structure

#4
20190372430
2019-12-05

Hydrokinetic power generator

#5
20190345912
2019-11-14

Wind Turbine Blade Leading Edge Protection

#6
20190321765
2019-10-24

Impulse turbine with non-wetting surface for improved hydraulic efficiency

#7
20190120205
2019-04-25

Method for determining arrangement position of vortex generator on wind turbine blade, method for producing wind turbine blade assembly, and wind turbine blade assembly

#8
20180347540
2018-12-06

Wind turbine blade with aerodynamic device attached thereto

#9
20180209401
2018-07-26

Rotor blade assembly and a wind turbine having the rotor blade assembly

#10
20180209398
2018-07-26

Vortex generators for wind turbine rotor blades having noise-reducing features

#11
20180142671
2018-05-24

Rotor blade with serrations

#12
20170314530
2017-11-02

Wind turbine blade with noise reducing micro boundary layer energizers

#13
20170138340
2017-05-18

Rotor blade with noise reduction means

#14
20170107969
2017-04-20

Wind turbine rotor blade assembly with surface features

#15
20150361952
2015-12-17

Rotor blade of a wind turbine

#16
20150159493
2015-06-11

Twisted blade root

#17
20140286789
2014-09-25

Airflow generation device and wind power generation system

#18
20140286784
2014-09-25

Wind turbine blade

#19
20140227092
2014-08-14

Diffuser augmented wind turbines

#20
20130224039
2013-08-29

Rotor for Vertical Wind Power Station

#21
20130200628
2013-08-08

Bluff body turbine and method

#22
20120301301
2012-11-29

Wind sail turbine

#23
20120267892
2012-10-25

WIND POWER GENERATING SYSTEM

#24
20120189444
2012-07-26

Wind turbine blade and a pitch controlled wind turbine

#25
20120121416
2012-05-17

Wind sail turbine

#26
20120119504
2012-05-17

WIND ENERGY INSTALLATION

#27
20120070299
2012-03-22

Wind turbine blade

#28
20120070281
2012-03-22

METHOD OF OPERATING A WIND TURBINE

#29
20120063913
2012-03-15

Method of manufacturing a wind turbine blade having predesigned segment

#30
20120063910
2012-03-15

Wind turbine blade with base part having inherent non-ideal twist

#31
20120057987
2012-03-08

Wind turbine blade with base part having non-positive camber

#32
20120057984
2012-03-08

Wind turbine blade provided with flow altering devices

#33
20110309633
2011-12-22

Wind Auger

#34
20110223031
2011-09-15

WIND TURBINE, A BLADE THEREFOR AND A METHOD OF PROCESSING SIGNALS REFLECTED THEREFROM

#35
20110211954
2011-09-01

Lift device for rotor blade in wind turbine

#36
20110142673
2011-06-16

Wind turbine blades with aerodynamic vortex elements

#37
20110142635
2011-06-16

Blade extension for rotor blade in wind turbine

#38
20110142628
2011-06-16

Wind turbine blades with controllable aerodynamic vortex elements

#39
20110110777
2011-05-12

ACTIVE FLOW CONTROL DEVICE AND METHOD FOR AFFECTING A FLUID BOUNDARY LAYER OF A WIND TURBINE BLADE

#40
20110103952
2011-05-05

Wind turbine rotor blade with variably actuatable porous window

#41
20110027084
2011-02-03

NOVEL TURBINE AND BLADES

#42
20100301612
2010-12-02

Wind turbine

#43
20100209258
2010-08-19

BLADE FOR A ROTOR OF A WIND TURBINE PROVIDED WITH BARRIER GENERATING MEANS

#44
20100143151
2010-06-10

PERMEABLE ACOUSTIC FLAP FOR WIND TURBINE BLADES

#45
20100008787
2010-01-14

Wind turbine blades with vortex generators

#46
20090285691
2009-11-19

Blade for a Wind Turbine Rotor

#47
20090250129
2009-10-08

Enhancement of vortex induced forces and motion through surface roughness control

#48
20090230686
2009-09-17

River and tidal power harvester

#49
20090114001
2009-05-07

ENHANCEMENT OF VORTEX INDUCED FORCES AND MOTION THROUGH SURFACE ROUGHNESS CONTROL

#50
20090087314
2009-04-02

Wind turbine blade and a pitch controlled wind turbine

#51
20090028718
2009-01-29

Wind turbine rotor blade and pitch regulated wind turbine

#52
20090016891
2009-01-15

Wind turbine blade tip vortex breakers

#53
20080317600
2008-12-25

Wind turbine rotor blade with vortex generators

#54
20080260532
2008-10-23

Vertical Axis Turbine

#55
20080226451
2008-09-18

Wedge shaped wind boosters

#56
20080145219
2008-06-19

Vortex generators on rotor blades to delay an onset of large oscillatory pitching moments and increase maximum lift

#57
20070231151
2007-10-04

Active flow control for wind turbine blades

#58
20070110585
2007-05-17

Rotor blade for a wind turbine having aerodynamic feature elements

#59
20060257240
2006-11-16

Helical wind turbine

#60
20060245928
2006-11-02

Wind power unit with structured surfaces for improvement of flow

#61
20050061921
2005-03-24

Aerodynamic tip protuberances for tip vortex intensity reduction