F05B2250/21 - CPC Classification Index

ClassID:

144716 ⎘

F05B2250/21 - CPC Classification

Classification description:

Geometry three-dimensional pyramidal

Recent Application in this class:

20230021115

2023-01-19

Energy conversion system for converting wind energy into electrical energy

20220316448

2022-10-06

Helical strake set to reduce vortex induced vibrations of an Eolic tower

20210381488

2021-12-09

Wind turbine with vertical axis of rotation of the rotor and floating wind farm comprising a plurality of such wind turbines

20210123412

2021-04-29

WIND-BASED ELECTRICAL POWER GENERATION SYSTEM

20180026574

2018-01-25

Modular multi-axial rotor

20170306924

2017-10-26

Wind turbine for the production of electric power with multiple-blade vanes and horizontal shaft supperted at the ends

20150275856

2015-10-01

Joined blade wind turbine rotor

20150152841

2015-06-04

Modular multi-axial rotor

20130272894

2013-10-17

Archimedean modular / multi-axis rotor (AMR)

#10

20120100004

2012-04-26

High efficiency impeller

#11

20120027600

2012-02-02

Separative tidal current rotor blade

#12

20100181774

2010-07-22

Multi-point tethering and stability system and control method for underwater current turbine

#13

20090031639

2009-02-05

Pre-stressed concrete tower for wind power generators

#14

20070245730

2007-10-25

Structure and methods using multi-systems for electricity generation and water desalination

#15

16526213

2022-11-22

Modular multi-axial rotor

#16

15172700

2017-07-11

Modular multi-axial rotor