ClassID:

142396

F03D3/02 - page 2 - CPC Classification

Classification description:

Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  having a plurality of rotors

Recent Application in this class:
#301
20090220342
2009-09-03

SHAFTLESS VERTICAL AXIS WIND TURBINE

#302
20090218823
2009-09-03

WIND TURBINE STRUCTURE HAVING A PLURALITY OF PROPELLER-TYPE ROTORS

#303
20090196763
2009-08-06

Vertical axis wind turbines with blades for redirecting airflow

#304
20090196740
2009-08-06

Multi directional augmenter and diffuser

#305
20090191057
2009-07-30

Multi-Axis Wind Turbine With Power Concentrator Sail

#306
20090184521
2009-07-23

Twin wind turbine power system

#307
20090180878
2009-07-16

GENERATION OF POWER

#308
20090169354
2009-07-02

Apparatus for use of flow energy

#309
20090167029
2009-07-02

Coaxial Rotor Windmill and Method of Increasing Kinetic Energy of the Flow

#310
20090146432
2009-06-11

VERTICAL AXIS WIND TURBINE

#311
20090108585
2009-04-30

FLUID TURBINE WITH BLADE ASSEMBLY DRIVEN BY FLUID

#312
20090087300
2009-04-02

Vertical axis dual vortex downwind inward flow impulse wind turbine

#313
20090079197
2009-03-26

EXPANDABLE APPARATUS FOR GENERATING ELECTRIC POWER USING WIND ENERGY

#314
20090015019
2009-01-15

Lateral Wind Turbine

#315
20090015015
2009-01-15

LINEAR POWER STATION

#316
20090003999
2009-01-01

Three-vaned drag-type wind turbine

#317
20090001730
2009-01-01

VERTICAL AXIS WINDMILL WITH WINGLETTED AIR-TILTABLE BLADES

#318
20080317582
2008-12-25

Vertical axis dual vortex downwind inward flow impulse wind turbine

#319
20080303286
2008-12-11

WIND ELECTRICAL GENERATION SYSTEM

#320
20080265584
2008-10-30

Wind driven generator

#321
20080154801
2008-06-26

System and Method for Creating a Geothermal Roadway Utility with Alternative Energy Pumping Billing System

#322
20080150296
2008-06-26

System and method for creating a geothermal roadway utility with alternative energy pumping system

#323
20080131282
2008-06-05

WIND APPARATUS

#324
20080112789
2008-05-15

Method and device for using wind energy

#325
20080106102
2008-05-08

Wind-powered electricity generator

#326
20080085179
2008-04-10

Wind power converting apparatus and method

#327
20080061559
2008-03-13

Use of Air Internal Energy and Devices

#328
20080042446
2008-02-21

Wind powered devices

#329
20070296217
2007-12-27

Multi-cylinder wind powered generator

#330
20070284885
2007-12-13

Wind generator system

#331
20070284155
2007-12-13

Wind-powered pneumatic engine and a motor vehicle equipped with the engine

#332
20070269306
2007-11-22

Fluid rotor with energy enhancements power generator

#333
20070269305
2007-11-22

Waterborne power generator

#334
20070269304
2007-11-22

Fluid rotor with energy enhancements power generation system

#335
20070189899
2007-08-16

Wind turbine rotor

#336
20070176431
2007-08-02

Wind turbine system for buildings

#337
20070172346
2007-07-26

Dynamically self-balanced fluid turbine

#338
20070138797
2007-06-21

Wind energy harnessing apparatuses, systems, methods, and improvements

#339
20070071604
2007-03-29

Vertical axis windmill

#340
20070059174
2007-03-15

Windmill with rotating panes

#341
20060263199
2006-11-23

Guided fluid driven turbine

#342
20060251510
2006-11-09

Single sided power generator support frame

#343
20060210389
2006-09-21

Wind powered turbine

#344
20060152012
2006-07-13

Traffic-driven wind generator

#345
20060140748
2006-06-29

Method for channeling wind to produce electricity

#346
20060026954
2006-02-09

Wind and solar power plant with variable high speed rotor trains

#347
20050276682
2005-12-15

Guided fluid driven turbine

#348
20050155346
2005-07-21

Wind power machine

#349
20050141994
2005-06-30

Multi-directional wind power generator

#350
20050121242
2005-06-09

Motor vehicle energy recovery system

#351
20050019151
2005-01-27

Wind turbine assembly

#352
20050008472
2005-01-13

Unit type windmill

#353
18897721
2025-08-26

Dual wind turbine system

#354
18605083
2024-11-05

Flow conversion turbines and assemblies

#355
18585796
2025-05-20

Aerogenerator system, hybrid energy generating system and system

#356
18240716
2023-12-05

Sail-driven power generation system

#357
18122501
2025-10-14

Energy storage system

#358
17683640
2023-02-28

Renewable power generation system

#359
17591784
2023-04-18

Vertical spiral wind turbine

#360
17226576
2023-05-09

Energy storage system

#361
16526213
2022-11-22

Modular multi-axial rotor

#362
15606011
2020-04-28

Wind turbine

#363
15345423
2017-09-05

Multi-rotor vertical axis wind turbine

#364
15172700
2017-07-11

Modular multi-axial rotor

#365
13427937
2014-09-02

Wind energy conversion system