Patents-Review.com
ClassID:

142143 ⎘

F03B3/04 - CPC Classification

Classification description:

Machines or engines of reaction type; Parts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines

Sub-classes:
Recent Application in this class:
#1
20260103406
2026-04-16

Fluid-powered water quality system

 #2
20250359746
2025-11-27

APPARATUS FOR IMPROVED CLEANING OF MEDICAL DEVICES

 #3
20250334094
2025-10-30

HYDRAULIC TURBINE

 #4
20250196973
2025-06-19

Turbine Platform Current Energy Conversion System With Debris Protection

 #5
20250067239
2025-02-27

Hydraulic turbine

 #6
20250043761
2025-02-06

WATER TRANSPORTATION PIPE POWER GENERATION DEVICE WITH FLOW-REGULATING AND PRESSURE-REGULATING FUNCTION

 #7
20240287956
2024-08-29

HYDROELECTRIC/HYDROKINETIC TURBINE AND METHODS FOR MAKING AND USING SAME

 #8
20240191682
2024-06-13

Hydroelectric power generation system

 #9
20240175419
2024-05-30

ENERGY-RECOVERY TURBINE WITH PRESSURE-RELEASE VALVE

 #10
20240151205
2024-05-09

POWER AMPLIFICATION, STORAGE AND REGENERATION SYSTEM AND METHOD USING TIDES, WAVES AND/OR WIND

 #11
20240151203
2024-05-09

Fluid turbine with parachute-like catchers

 #12
20240068445
2024-02-29

POWER GENERATING WINDBAGS AND WATERBAGS

 #13
20240044310
2024-02-08

Power converter having boosting mechanism with multi-shaft vertically stepped turbine

 #14
20240026853
2024-01-25

Current energy collection unit

 #15
20230399952
2023-12-14

ROTOR FOR AN ELECTRICITY GENERATOR

 #16
20230397584
2023-12-14

Gate Mechanism for a Trawl Net

 #17
20230296073
2023-09-21

Hydraulic turbine

 #18
20230250791
2023-08-10

Outer turbine system

 #19
20230111613
2023-04-13

Accelerated and/or redirected flow-inducing and/or low pressure field or area-inducing arrangement, their use with turbine-like devices and methods for using same

 #20
20230044672
2023-02-09

Torque to linear displacement for downhole power regulation

 #21
20230041561
2023-02-09

Systems and Methods for a Hydrokinetic Micro Powerplant

 #22
20230010401
2023-01-12

Energy conversion device and energy conversion arrangement

 #23
20220381216
2022-12-01

Hydroelectric turbine for generating electricity by converting energy of ocean waves

 #24
20220372943
2022-11-24

RECOVERY OF WORK FROM A LIQUEFIED GAS USING HYBRID PROCESSING

 #25
20220213860
2022-07-07

Pumped-storage hydropower generation tower employing conduit turbines installed in multiple stages

 #26
20220090576
2022-03-24

POWER GENERATING WINDBAGS AND WATERBAGS

 #27
20220074381
2022-03-10

Conduit turbine for supporting conduit of water wheel rotational body, and hydroelectric generator having conduit turbines serially provided in multiple levels

 #28
20220074380
2022-03-10

Hydroelectric/hydrokinetic turbine and methods for making and using same

 #29
20220018323
2022-01-20

Accelerated and-or redirected flow-inducing and-or low pressure field or area-inducing arrangement, their use with turbine-like devices and method for using same

 #30
20210348590
2021-11-11

Powered augmented fluid turbines

 #31
20210288551
2021-09-16

Hybrid generator

 #32
20210270230
2021-09-02

Toroidal lift force engine

 #33
20210231094
2021-07-29

Hydraulic turbine

 #34
20210156352
2021-05-27

Kinetic modular machine for producing energy from fluid flows

 #35
20210040857
2021-02-11

Rotor for an electricity generator

 #36
20210025367
2021-01-28

Ocean water power-generator

 #37
20200325870
2020-10-15

Booster assembly and apparatus

 #38
20200232441
2020-07-23

Method for Starting a Hydroelectric Turbine

 #39
20200208389
2020-07-02

Flush valve with a power generation function

 #40
20200031446
2020-01-30

Rotating electrical machine apparatus

 #41
20190309724
2019-10-10

Floating screw turbines device

 #42
20190264647
2019-08-29

Hydroelectric/hydrokinetic turbine and methods for making and using same

 #43
20190153992
2019-05-23

Accelerated and-or redirected flow-inducing and-or low pressure field or area-inducing arrangement, their use with turbine-like devices and method for using same

 #44
20190136826
2019-05-09

Speed limiting turbine for a conduit

 #45
20190131889
2019-05-02

TRIBOELECTRIC TURBINE FOR GENERATING ELECTRICITY FROM THE MOTION OF FLUIDS

 #46
20190101094
2019-04-04

Water turbine, and connecting structure of two male screw shafts and connecting structure of two shafts respectively used for water turbine

 #47
20190099690
2019-04-04

Devices, systems and methods for capturing energy in distilling operations

 #48
20190068023
2019-02-28

Generator rotor for a generator of a wind turbine or a hydroelectric power plant, and a generator, wind turbine and hydroelectric power plant comprising same

 #49
20190063397
2019-02-28

Hydraulic drivetrain, method of starting same, power generator and method of starting same

 #50
20190055913
2019-02-21

Hydroelectric generating device

 #51
20180355844
2018-12-13

Combined omnidirectional flow turbine system

 #52
20180355835
2018-12-13

BOUYANT HYDROELECTRIC POWER GENERATOR

 #53
20180306166
2018-10-25

CONTINUOUS-FLOW ENERGY INSTALLATION IN PARTICULAR A WIND POWER INSTALLATION

 #54
20180291864
2018-10-11

Ocean current power generating device

 #55
20180291581
2018-10-11

Modular variable-head hydroelectric energy conversion system

 #56
20180266383
2018-09-20

Power generation systems, and related methods, components and control systems

 #57
20180195489
2018-07-12

Axial-flow turbine for low-head installations

 #58
20180118316
2018-05-03

Systems and methods for power generation based on surface air-to-water thermal differences

 #59
20180118315
2018-05-03

Systems and methods for augmenting power generation based on thermal energy conversion using solar or radiated thermal energy

 #60
20180106234
2018-04-19

Ship screw, pump screw or turbine screw

 #61
20180106233
2018-04-19

FLOATING POWERHOUSE

 #62
20180094617
2018-04-05

Device and Method to Convert Reciprocating Linear Motion into Linear Fluid Flow

 #63
20180087484
2018-03-29

Hydroelectric/hydrokinetic turbine and methods for making and using same

 #64
20180058417
2018-03-01

Fluid driven turbine apparatus

 #65
20180045165
2018-02-15

Direct drive portable hydroelectric generator and power source

 #66
20180038339
2018-02-08

Water flow power generator

 #67
20180030952
2018-02-01

Power generating device having hollow structures

 #68
20180010573
2018-01-11

Water power plant having a free-standing axis of rotation

 #69
20180010569
2018-01-11

Modularized ocean energy generating device and built-in module thereof

 #70
20180003145
2018-01-04

FREELY-CONTROLLED POWER GENERATION APPARATUS

 #71
20180003144
2018-01-04

Helical longitudinal blade turbine system including a funnel throat valve comprising a plurality of semi-circular valve plates

 #72
20170328340
2017-11-16

SYSTEMS AND METHODS FOR GENERATING ENERGY

 #73
20170260960
2017-09-14

Fluid turbine blade device

 #74
20170226646
2017-08-10

Water treatment system and method

 #75
20170218777
2017-08-03

Structure with rigid winglet adapted to traverse a fluid environment

 #76
20170089322
2017-03-30

Rotor

 #77
20160377045
2016-12-29

Energy-generating pump

 #78
20160341014
2016-11-24

In-riser power generation

 #79
20160333844
2016-11-17

Pumped-storage system

 #80
20160327011
2016-11-10

Hydraulic turbine

 #81
20160305396
2016-10-20

Systems and methods for generating energy

 #82
20160251964
2016-09-01

APPARATUS AND METHODS FOR ENERGY CONVERSION

 #83
20160245256
2016-08-25

Runner vane of axial hydraulic machine, runner of axial hydraulic machine, and axial hydraulic machine

 #84
20160226340
2016-08-04

Current generation device for pipeline

 #85
20160102650
2016-04-14

Waterfall apparatus

 #86
20160084216
2016-03-24

Method for manufacturing a rotating part of a hydraulic machine, rotating part manufactured according to this method, hydraulic machine and energy conversion installation

 #87
20160076508
2016-03-17

Rotating part of a hydraulic machine, hydraulic machine provided with such a rotating part and installation for converting energy comprising such a machine

 #88
20160013703
2016-01-14

POWER PLANT COMPRISING A STRUCTURE AND A VEHICLE

 #89
20160003212
2016-01-07

Underwater Multi-Turbine Generator

 #90
20150345461
2015-12-03

Water turbine generator

 #91
20150260148
2015-09-17

Floating, yawing spar current/tidal turbine

 #92
20150240777
2015-08-27

Turbine structure and OWC device comprising such turbine structure

 #93
20150167626
2015-06-18

Apparatus for converting energy from fluid flow

 #94
20150159619
2015-06-11

Ship screw, pump screw or turbine screw

 #95
20150145259
2015-05-28

Ocean current power generating apparatus using dual-duct with boundary layer control effect

 #96
20150118020
2015-04-30

POWER GENERATION SYSTEM

 #97
20150089937
2015-04-02

SYSTEM FOR CONVERSION OF WAVE ENERGY INTO ELECTRICAL ENERGY

 #98
20150086327
2015-03-26

Spent flow discharge apparatus for an instream fluid power-extraction machine

 #99
20150048619
2015-02-19

Modularized ocean energy generating device

 #100
20150042096
2015-02-12

Flexible water turbine

 #101
20150030430
2015-01-29

WATER TURBINE

 #102
20150021919
2015-01-22

Method of controlling depth of a buoyant submersible apparatus in a fluid flow

 #103
20140356136
2014-12-04

FLUID-POWERED MOTORS AND PUMPS

 #104
20140284934
2014-09-25

Energy generating unit

 #105
20140278152
2014-09-18

Enhanced disk actuator modeling

 #106
20140265337
2014-09-18

ARCHIMEDES SCREW TURBINE GENERATOR

 #107
20140102989
2014-04-17

Hydro-electric power plant comprising a grating assembly for taking water into the turbine, which is designed to discharge floating debris stopped by the grating

 #108
20140017065
2014-01-16

Rotor apparatus

 #109
20130230380
2013-09-05

Rotating housing turbine

 #110
20130213022
2013-08-22

Rescue and emergency power method and system

 #111
20130153242
2013-06-20

IN-RISER POWER GENERATION

 #112
20130121842
2013-05-16

PROPELLER / TURBINE BLADE POWER CHANNEL

 #113
20130106105
2013-05-02

Submerged electricity generation plane with marine current-driven rotors

 #114
20130099501
2013-04-25

Device for generating electric power from a source of air or other gas or fluid under pressure

 #115
20130022456
2013-01-24

Axial flow action turbine

 #116
20120169054
2012-07-05

Power conversion and energy storage device

 #117
20120133140
2012-05-31

Underwater power generator with dual blade sets

 #118
20110293416
2011-12-01

HYDROPOWER PLANT

 #119
20110260458
2011-10-27

Tubular turbine generator unit

 #120
20110233935
2011-09-29

MINIATURE HYDRO-POWER GENERATION SYSTEM

 #121
20110175361
2011-07-21

FLOW CONVERTER

 #122
20110148117
2011-06-23

UNDERWATER TURBINE WITH FINNED DIFFUSER FOR FLOW ENHANCEMENT

 #123
20110115228
2011-05-19

FLOW ENHANCEMENT FOR UNDERWATER TURBINE GENERATOR

 #124
20110101695
2011-05-05

Fluid turbine

 #125
20110095533
2011-04-28

Rescue and emergency power method and system

 #126
20110081251
2011-04-07

FREE-STANDING, IMMERSIBLE POWER GENERATION PLANT COMPRISING AN AXIAL TURBINE

 #127
20100310376
2010-12-09

Hydrokinetic Energy Transfer Device and Method

 #128
20100295311
2010-11-25

Miniature hydro-power generation system

 #129
20100290900
2010-11-18

HYDROPOWER SYSTEM WITH INCREASED POWER INPUT CHARACTERISTICS

 #130
20100258449
2010-10-14

Self-sufficient hydrogen generator

 #131
20100244452
2010-09-30

Device for converting kinetic energy of a flowing water into kinetic energy of a rotatable rotor shaft

 #132
20100237620
2010-09-23

Driving turbine blade assembly comprising a passage through which a fluid may pass

 #133
20100181771
2010-07-22

Integrated hydroelectric power-generating system and energy storage device

 #134
20100119362
2010-05-13

Shrouded turbine assembly

 #135
20100119358
2010-05-13

Fluid-powered motors and pumps

 #136
20090278355
2009-11-12

Miniature hydro-power generation system

 #137
20090263244
2009-10-22

Water turbines with mixers and ejectors

 #138
20090188995
2009-07-30

FAUCET APPARATUS

 #139
20090026769
2009-01-29

Faucet generator

 #140
20080273962
2008-11-06

Liquid Turbine Device Including a Turbine Wheel with More Than One Set of Blades in Radial Succession

 #141
20080136191
2008-06-12

Miniature hydro-power generation system

 #142
20070284884
2007-12-13

Flow enhancement for underwater turbine

 #143
20070248466
2007-10-25

Turbine and rotor therefor

 #144
20070145751
2007-06-28

Integrated fluid power conversion system

 #145
20060043738
2006-03-02

Integrated fluid power conversion system

 #146
20050123390
2005-06-09

Hydro turbine

 #147
20050005592
2005-01-13

Hollow turbine

 #148
18623519
2025-03-25

Siphonage hydroelectric generation device with screw turbine

 #149
18363694
2024-11-26

Faucet hand sterilizer

 #150
17883204
2023-05-23

Submersible hydro power generating system

 #151
17713779
2023-05-09

Through-hull passive inboard hydro-generator for a marine vessel

 #152
17187476
2025-10-28

Systems and methods for producing hydrogen gas from a water distribution system