ClassID:

144699

F05B2250/131 - CPC Classification

Classification description:

Geometry two-dimensional trapezial polygonal

Recent Application in this class:
#1
20250020101
2025-01-16

DEVICE COMPRISING AN ASYMMETRICAL ADJUSTABLE WING PROFILE

#2
20220025850
2022-01-27

Vertical axis wind turbine air concentration tower with reduced radar cross section

#3
20210381492
2021-12-09

Wind turbine tower section, wind turbine tower, and method for assembly

#4
20210054822
2021-02-25

Method for producing a split rotor blade, and rotor blade

#5
20210033068
2021-02-04

Recessed-magnet flywheel construction for vertical axis wind turbines

#6
20190170122
2019-06-06

Tower segment, tower section, tower, wind turbine, and method for producing a tower segment and for connecting tower segments

#7
20170335821
2017-11-23

Fluid power generation method and fluid power generation device

#8
20170074241
2017-03-16

Turbine blade

#9
20150167649
2015-06-18

Energy recovering device

#10
20120301297
2012-11-29

Fluid turbine device for power generation

#11
20120139255
2012-06-07

TECHNOLOGY FOR COMBINED OFFSHORE FLOATING WIND POWER GENERATION

#12
20110088331
2011-04-21

Wind turbine tower and method of assembling

#13
20100156109
2010-06-24

WIND-DRIVEN ELECTRIC PLANT

#14
20100084869
2010-04-08

Wave power unit, a buoy, use of a wave power unit and a method for producing electric energy

#15
20090285691
2009-11-19

Blade for a Wind Turbine Rotor

#16
20090016897
2009-01-15

Wind turbine tower, a wind turbine, a wind turbine tower elevator and a method for assembling a wind turbine tower

#17
20080303286
2008-12-11

WIND ELECTRICAL GENERATION SYSTEM

#18
20070240752
2007-10-18

Built-in universal solar collector with its applied structures

#19
20070015452
2007-01-18

Air guiding apparatus for wind power generation

#20
20060147306
2006-07-06

Vibration reduction system for a wind turbine

#21
20050129504
2005-06-16

Wind turbine

#22
15345423
2017-09-05

Multi-rotor vertical axis wind turbine