ClassID:

144720

F05B2250/231 - CPC Classification

Classification description:

Geometry three-dimensional prismatic cylindrical

Recent Application in this class:
#1
20250207556
2025-06-26

MANGROVE INSPIRED STRUCTURES FOR ENERGY HARVESTING

#2
20240102456
2024-03-28

Earth gravity powered electric generator

#3
20230287862
2023-09-14

ROOT BUSHING, WIND TURBINE ROTOR BLADE AND METHOD

#4
20220316445
2022-10-06

SkyPipes for Renewable Water and Power Production

#5
20210131399
2021-05-06

Blade mounting arrangement

#6
20210071634
2021-03-11

Rotary connection for a rotor blade of a wind turbine

#7
20210054851
2021-02-25

Turbocharger impeller

#8
20200355159
2020-11-12

Vertical axis wind turbine apparatus and system

#9
20200032768
2020-01-30

Noise-reduction device for wind turbine and the wind turbine applied thereof

#10
20200003185
2020-01-02

WIND TURBINE APPARATUS

#11
20190390645
2019-12-26

Tidal power generator

#12
20190360465
2019-11-28

Vertical axis wind turbine apparatus and system

#13
20190238068
2019-08-01

Nanofriction power generation device with spiral vibrating balls and buoy body thereof

#14
20190218737
2019-07-18

Energy harvesting from moving fluids using mass displacement

#15
20190211797
2019-07-11

Segmented concrete hull for wave energy converters and method of constructing

#16
20190186471
2019-06-20

Self-supporting nacelle structure for wind turbines

#17
20190178225
2019-06-13

Apparatus for generation of energy from ocean waves

#18
20190040846
2019-02-07

Rotor blade of a wind turbine and method for retrofitting a lightning protection device of a rotor blade

#19
20180258908
2018-09-13

Rotary device for fluid power generation

#20
20180230961
2018-08-16

Method and apparatus for wave energy conversion

#21
20180180028
2018-06-28

Multi-source renewable power generation system

#22
20180164755
2018-06-14

Multi-resonant feedback control of multiple degree-of-freedom wave energy converters

#23
20180023540
2018-01-25

Low-head and high flow water turbine machine

#24
20170350365
2017-12-07

Tidal power generator

#25
20170328205
2017-11-16

Axial impeller with rotating housing and positionable blades

#26
20170204738
2017-07-20

Hydroelectric power generating system

#27
20170191463
2017-07-06

Power generating system using current around structural body

#28
20170030337
2017-02-02

MAGNET CONFIGURATIONS FOR MAGNETIC LEVITATION OF WIND TURBINES AND OTHER APPARATUS

#29
20160380507
2016-12-29

Energy generation method and apparatus

#30
20160123303
2016-05-05

Wind turbine tower having a damper

#31
20140030097
2014-01-30

Wind turbine blade comprising cylindrical metal inserts in a root region thereof

#32
20120230828
2012-09-13

CYLINDRICAL WINDMILL FOR WIND POWER GENERATION

#33
20110229322
2011-09-22

Wind turbine blade system with air passageway

#34
20110204640
2011-08-25

In-pipe hydro-electric power system and turbine

#35
20110146263
2011-06-23

IMPROVEMENTS TO WAVE ENERGY CONVERTER

#36
20100287927
2010-11-18

IMPROVEMENTS TO WAVE ENERGY CONVERTER

#37
20100253083
2010-10-07

In-pipe hydro-electric power system, turbine and improvement

#38
20100253081
2010-10-07

In-pipe hydro-electric power system and turbine

#39
20100084867
2010-04-08

Vertical wind collector and redirecting tower

#40
20100034656
2010-02-11

FLUID ENERGY CONVERTER

#41
20100007153
2010-01-14

Wind power installation pylon interior

#42
20090165594
2009-07-02

Controlled vehicular thrust produced by controlled non-uniform acceleration of a liquid

#43
20090047131
2009-02-19

Turbine rotor for electrical power generation

#44
20080143118
2008-06-19

Wind energy plant with drainage

#45
20070296217
2007-12-27

Multi-cylinder wind powered generator

#46
20070240752
2007-10-18

Built-in universal solar collector with its applied structures

#47
20070187956
2007-08-16

Method for the erection of a wind energy plant, and wind energy plant

#48
20070152449
2007-07-05

Method for the erection of a wind energy plant, and wind energy plant

#49
20070041823
2007-02-22

Fluid energy converter

#50
20060225379
2006-10-12

Modular kit for a wind turbine tower

#51
20060220386
2006-10-05

Wind energy plant and method for use in erection of a wind energy plant

#52
18765913
2024-10-15

Ocean multitasking generator