ClassID:

142221

F03B13/264 - CPC Classification

Classification description:

Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus ; Power stations or aggregates characterised by using wave or tide energy using tide energy using the horizontal flow of water resulting from tide movement

Recent Application in this class:
#1
20260139656
2026-05-21

Buffer for tidal stream generation apparatus

#2
20260001625
2026-01-01

METHODS AND SYSTEMS FOR REVERSIBLE COUPLING OF CONDUITS

#3
20250297592
2025-09-25

SYSTEMS AND METHODS FOR ENERGY HARVEST

#4
20250277480
2025-09-04

SYSTEMS AND METHODS FOR HARNESSING MARINE HYDROKINETIC ENERGY

#5
20250249986
2025-08-07

METHODS AND SYSTEMS FOR REVERSIBLE COUPLING OF CONDUITS

#6
20250101943
2025-03-27

WATER-DRIVEN ELONGATED-CONVEYOR TURBINE AND METHOD OF USING A WATER-DRIVEN ELONGATED-CONVEYOR TURBINE

#7
20250092851
2025-03-20

SYSTEMS AND METHODS FOR POWER DISTRIBUTION AND HARNESSING OF MARINE HYDROKINETIC ENERGY

#8
20250084818
2025-03-13

SUBAQUATIC POWER GENERATION SYSTEMS

#9
20250043762
2025-02-06

UNDERWATER FLOW TURBINE

#10
20250003381
2025-01-02

TIDAL POWER GENERATING APPARATUS USING TIDE-INDUCING HYDRAULIC PIPELINE AND TIDAL POWER PIPELINE TURBINE

#11
20240418145
2024-12-19

FLUIDIC TURBINE STRUCTURE

#12
20240384698
2024-11-21

Imaging System and Method for Identifying a Boundary Between Active and Inactive Portions of a Digital Image and Applying Settings in Response

#13
20240376859
2024-11-14

APPARATUS FOR PRODUCING ELECTRICAL ENERGY FROM WATER CURRENTS

#14
20240348192
2024-10-17

CANAL FLOATING SOLAR AND INSTALLATION PROCESSES FOR SAME

#15
20240300622
2024-09-12

Methods and systems for reversible coupling of conduits

#16
20240263609
2024-08-08

Ocean wave and tidal current energy conversion system

#17
20240229760
2024-07-11

OCEAN WAVE AND TIDAL CURRENT ENERGY CONVERSION SYSTEM

#18
20240175419
2024-05-30

ENERGY-RECOVERY TURBINE WITH PRESSURE-RELEASE VALVE

#19
20240141865
2024-05-02

POWER PLANT

#20
20240125295
2024-04-18

SYSTEMS AND METHODS FOR ENERGY HARVEST

#21
20240102441
2024-03-28

Power generation and/or storage apparatus

#22
20240093451
2024-03-21

Tidal barrage

#23
20240068445
2024-02-29

POWER GENERATING WINDBAGS AND WATERBAGS

#24
20240011460
2024-01-11

Water-driven elongated-conveyor turbine and method of using a water-driven elongated-conveyor turbine

#25
20230399952
2023-12-14

ROTOR FOR AN ELECTRICITY GENERATOR

#26
20230392573
2023-12-07

Tidal stream generation apparatus with pump

#27
20230358205
2023-11-09

Combined marine hydrokinetic energy harvesting from currents and waves

#28
20230304466
2023-09-28

SYSTEMS AND METHODS FOR HARNESSING MARINE HYDROKINETIC ENERGY

#29
20230243331
2023-08-03

Turbine with dynamic blades

#30
20230151792
2023-05-18

Large tidal current energy generating device and assembly platform thereof

#31
20230121808
2023-04-20

Water-driven elongated-conveyor turbine and method of using a water-driven elongated-conveyor turbine

#32
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

#33
20230002012
2023-01-05

IMPROVED TURRET MOORING SYSTEM

#34
20220403815
2022-12-22

Hydrokinetic telescopic turbine device

#35
20220316441
2022-10-06

OCEAN CURRENT POWER PLANT

#36
20220186452
2022-06-16

Large tidal current energy generating device and assembly platform thereof

#37
20220082076
2022-03-17

Tidal current energy generating device

#38
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

#39
20220010765
2022-01-13

Hydro power plant

#40
20210396202
2021-12-23

Rolling bearing protection device and vertical-axis tidal current energy generating device applying the same

#41
20210340945
2021-11-04

Power generating apparatus

#42
20210332787
2021-10-28

Ocean current vortex-induced vibration power generation device

#43
20210277864
2021-09-09

Energy generating system and a method for generating energy from a sea tide

#44
20210262435
2021-08-26

Fluidic turbine structure

#45
20210246865
2021-08-12

Water-driven elongated-conveyor turbine and method of using a water-driven elongated-conveyor turbine

#46
20210221351
2021-07-22

Low density fluid displacement to store or generate power

#47
20210190032
2021-06-24

Hydroelectric energy systems and methods

#48
20210180558
2021-06-17

UNDERWATER INSTALLATION-TYPE WATER-FLOW POWER GENERATION SYSTEM

#49
20210140401
2021-05-13

POWER-ADJUSTABLE WAVE POWER GENERATOR

#50
20210040932
2021-02-11

Turbine with smart pitch system and blade pitch lock assembly

#51
20210040857
2021-02-11

Rotor for an electricity generator

#52
20210017954
2021-01-21

Breaking wave power generation

#53
20210003110
2021-01-07

Horizontal axis pi-pitch water turbine with reduced drag

#54
20200370529
2020-11-26

POWER DEVICE FOR INCREASING LOW FLOW RATE

#55
20200284238
2020-09-10

Method and system for harnessing energy from moving ice

#56
20200256310
2020-08-13

Fluid flow energy harvester

#57
20200198615
2020-06-25

Low density fluid displacement to store or generate power

#58
20200191120
2020-06-18

Concentric wing turbines

#59
20200191112
2020-06-18

HYDROELECTRIC POWER PLANT

#60
20200164850
2020-05-28

ANTI-FOULING DOCKS AND LOW DENSITY FLUID DISPLACEMENT

#61
20200105148
2020-04-02

Holding pattern determination

#62
20200088158
2020-03-19

Hydrokinetic energy device

#63
20200088157
2020-03-19

Power generating apparatus

#64
20200088156
2020-03-19

Expandable power marine hydrokinetic turbines, pumps, compressors and transmissions

#65
20200080532
2020-03-12

Method for orientating the blades of a turbine

#66
20200072183
2020-03-05

Ocean tidal current energy power generating system

#67
20200011289
2020-01-09

Wave energy conversion system and a method for generating electrical power from a wave energy

#68
20190390646
2019-12-26

Water-flow power generating apparatus

#69
20190372430
2019-12-05

Hydrokinetic power generator

#70
20190345911
2019-11-14

Underwater energy storage and electricity

#71
20190345910
2019-11-14

Low density fluid displacement to generate power

#72
20190329846
2019-10-31

MARINE POWER GENERATION SYSTEM

#73
20190309724
2019-10-10

Floating screw turbines device

#74
20190264648
2019-08-29

Water current catcher system for hydroelectricity generation

#75
20190257282
2019-08-22

Modular hydro-kinetic power source

#76
20190234372
2019-08-01

Method and Apparatus for Tidal Flow Power Generation

#77
20190195187
2019-06-27

Hydraulic turbine suspending device

#78
20190186548
2019-06-20

Bearing assembly

#79
20190170110
2019-06-06

Bidirectional system and apparatus for generating power

#80
20190169812
2019-06-06

System and method for extracting power from tides

#81
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

#82
20190136825
2019-05-09

Tidal current generator

#83
20190136824
2019-05-09

ANGLE-ADJUSTABLE TURBINE

#84
20190128239
2019-05-02

Underwater electrical power plant, a system and a method

#85
20190115803
2019-04-18

Fluid-powered generator

#86
20190048845
2019-02-14

River and tidal turbine with power control

#87
20190040881
2019-02-07

Magnetic failsafe piston retention assembly, and related components, systems, and methods

#88
20190024537
2019-01-24

Methods and apparatus to adjust hydrodynamic designs of a hydrokinetic turbine

#89
20190020223
2019-01-17

LONG DISTANCE TRANSMISSION OF OFFSHORE POWER

#90
20190017490
2019-01-17

Tidal current power generator

#91
20190003453
2019-01-03

Offset perpendicular axis turbine

#92
20190003447
2019-01-03

HYDROELECTRIC TURBINE BLADE CONNECTOR

#93
20180372069
2018-12-27

Fluidic turbine structure

#94
20180363619
2018-12-20

Inertial wave energy converter

#95
20180355837
2018-12-13

Systems and methods for energy harvest

#96
20180340508
2018-11-29

DRAG REDUCTION METHOD FOR HYDROKINETIC VERTICAL AXIS TURBINE BLADES AND STRUCTURES

#97
20180335011
2018-11-22

SUBMERGED TIDAL ENERGY POD

#98
20180320655
2018-11-08

Rotor reinforcing device for wind turbine

#99
20180313323
2018-11-01

System and method for converting fluid motion into electrical power

#100
20180313322
2018-11-01

Systems and methods for tidal energy conversion and electrical power generation using a rotatable drag panel

#101
20180291868
2018-10-11

Water turbine support structure

#102
20180266444
2018-09-20

Hydraulic oil tank for power generation system and method for sealing hydraulic oil in said hydraulic oil tank

#103
20180258906
2018-09-13

Method and device for deep ocean power generator turbine

#104
20180223792
2018-08-09

Hydroelectric power generation apparatus and power generation system

#105
20180198348
2018-07-12

MODULAR TIDAL AND RIVER CURRENT ENERGY PRODUCTION SYSTEM

#106
20180171969
2018-06-21

Magnus type thrust generating device

#107
20180156187
2018-06-07

MOUNTING FOR A TIDAL TURBINE

#108
20180156186
2018-06-07

Turbine System and Method

#109
20180128238
2018-05-10

Method and system for energy conversion from a flow of fluid

#110
20180119669
2018-05-03

Floating, yawing spar current/tidal turbine

#111
20180106236
2018-04-19

SUBMERSIBLE POWER GENERATION PLATFORM

#112
20180100482
2018-04-12

Hydroelectric power system and pump

#113
20180080431
2018-03-22

Hydrokinetic power source

#114
20180073483
2018-03-15

Inertial wave energy converter

#115
20180073482
2018-03-15

Inertial wave energy converter

#116
20180038340
2018-02-08

Commutator-less and brush-less direct current generator and applications for generating power to an electric power system

#117
20180038339
2018-02-08

Water flow power generator

#118
20180030958
2018-02-01

Hydro-pneumatic energy storage system

#119
20180030952
2018-02-01

Power generating device having hollow structures

#120
20180030949
2018-02-01

Bearing module for adjusting a rotor blade angle of attack in an underwater power plant

#121
20180023625
2018-01-25

Tidal current energy generating device

#122
20180023537
2018-01-25

Hydroelectric power generator using ebb and flow of seawater

#123
20180010573
2018-01-11

Water power plant having a free-standing axis of rotation

#124
20180010569
2018-01-11

Modularized ocean energy generating device and built-in module thereof

#125
20180003148
2018-01-04

Tidal power generator

#126
20180003144
2018-01-04

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

#127
20170356417
2017-12-14

ADAPTIVE HYDROELECTRIC TURBINE SYSTEM

#128
20170356416
2017-12-14

Buoyant housing device enabling large-scale power extraction from fluid current

#129
20170350366
2017-12-07

TIDAL CURRENT ENERGY GENERATING DEVICE

#130
20170342957
2017-11-30

SUPPORT STRUCTURE FOR TIDAL ENERGY CONVERTER SYSTEM

#131
20170335821
2017-11-23

Fluid power generation method and fluid power generation device

#132
20170318771
2017-11-09

Algae cultivation systems and methods with bore waves

#133
20170314528
2017-11-02

Water turbine assembly

#134
20170298896
2017-10-19

TIDAL CURRENT GENERATOR HAVING UNDERWATER CONNECTING STRUCTURE

#135
20170276116
2017-09-28

Method for controlling the operation of a submersible power plant

#136
20170198676
2017-07-13

Device for reversing a blade of a runner unit

#137
20170191463
2017-07-06

Power generating system using current around structural body

#138
20170167469
2017-06-15

Device for generating hydro-electric energy

#139
20170122299
2017-05-04

Multiple oscillating water pumping device

#140
20170122283
2017-05-04

Turbine system and method

#141
20170101978
2017-04-13

OSCILLATING FOIL TURBINE

#142
20170096981
2017-04-06

Hydrokinetic energy conversion system and use thereof

#143
20170089321
2017-03-30

APPARATUS FOR GENERATING ELECTRICITY FROM A TIDAL OR OCEAN CURRENT WATER FLOW

#144
20170082086
2017-03-23

APPARATUS FOR GENERATING ELECTRICITY FROM A TIDAL OR OCEAN CURRENT WATER FLOW

#145
20170074233
2017-03-16

Electrical generation system based on tidal flow

#146
20170074232
2017-03-16

Floating body for tidal current power generation and power generation method using same

#147
20170070098
2017-03-09

Long distance transmission of offshore power

#148
20170058698
2017-03-02

Methods and apparatus to adjust hydrodynamic designs of a hydrokinetic turbine

#149
20170030326
2017-02-02

Renewable energy marine hydrokinetic or wind turbine

#150
20170009807
2017-01-12

Energy conversion systems and methods

#151
20160356260
2016-12-08

Device for reversing a blade of a runner unit

#152
20160333845
2016-11-17

Rolling-door-type load regulating device and ocean energy power generating device using the same

#153
20160327014
2016-11-10

Hydrokinetic system

#154
20160327013
2016-11-10

Surface level follow-up arrangement for a wave energy re-covery system

#155
20160290312
2016-10-06

Underwater power generation apparatus

#156
20160237984
2016-08-18

Power generation apparatus utilizing water current energy

#157
20160237982
2016-08-18

WATER TURBINE DRIVE SYSTEM

#158
20160237981
2016-08-18

TIDAL CURRENT POWER GENERATION STRUCTURE

#159
20160215752
2016-07-28

METHOD FOR CONTROLLING A TURBINE

#160
20160201641
2016-07-14

Underwater device and method for controlling posture of underwater device

#161
20160201638
2016-07-14

Blade for a runner unit

#162
20160160650
2016-06-09

End supported helical turbine

#163
20160152307
2016-06-02

Multifunctional carrying device for tidal stream generator and using method thereof

#164
20160146181
2016-05-26

Wing and turbine configuration for power plant

#165
20160138560
2016-05-19

WATER CURRENT POWER GENERATION STRUCTURE

#166
20160138558
2016-05-19

Electrical generation system based on tidal flow

#167
20160138555
2016-05-19

Water current power generation systems

#168
20160138554
2016-05-19

Power generating systems

#169
20160115937
2016-04-28

SUBMERSIBLE POWER PLANT HAVING MULTIPLE TURBINES

#170
20160115936
2016-04-28

Tidal power generation system and methods

#171
20160102650
2016-04-14

Waterfall apparatus

#172
20160032888
2016-02-04

Power generating water turbine assembly

#173
20160017859
2016-01-21

Underwater device

#174
20160010620
2016-01-14

Marine hydrokinetic turbine

#175
20150361949
2015-12-17

Submersible power generator

#176
20150357951
2015-12-10

Adjustable assembly of rotor and stator and applications thereof with a variable power generator

#177
20150354528
2015-12-10

Device for generating hydro-electric energy

#178
20150337796
2015-11-26

Turbine for a flow power plant

#179
20150292555
2015-10-15

Water lubricated bearing device

#180
20150292474
2015-10-15

DEVICE FOR UTILISATION OF KINETIC ENERGY OF A FLOWING MEDIUM

#181
20150292473
2015-10-15

FLOATING MARINE CURRENT TURBINE

#182
20150285217
2015-10-08

Rotor

#183
20150285213
2015-10-08

Yaw control-by-rudder type tidal stream power generation apparatus and yaw control method of the same

#184
20150285210
2015-10-08

Endless belt energy converter

#185
20150260152
2015-09-17

Floating tower frame for ocean current turbine system

#186
20150260148
2015-09-17

Floating, yawing spar current/tidal turbine

#187
20150252776
2015-09-10

Device for generating hydroelectric energy

#188
20150226174
2015-08-13

Hydrokinetic rotor and device including such a rotor

#189
20150211489
2015-07-30

Carbon dioxide neutralizing power generating device

#190
20150152834
2015-06-04

Connection systems

#191
20150130191
2015-05-14

GRAVITY-BASED ENERGY-STORAGE SYSTEM AND METHOD

#192
20150123401
2015-05-07

Water-based power generation installations

#193
20150115613
2015-04-30

Flowing-water driveable turbine assembly

#194
20150091305
2015-04-02

Multiple oscillation-type generator

#195
20150086327
2015-03-26

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

#196
20150076828
2015-03-19

Water current power generation installations

#197
20150071784
2015-03-12

Rotor blade for a turbine

#198
20150048619
2015-02-19

Modularized ocean energy generating device

#199
20150042096
2015-02-12

Flexible water turbine

#200
20150042095
2015-02-12

Tidal current generating device and installation frame thereof

#201
20150028589
2015-01-29

UNDERWATER POWER GENERATOR WITH DUAL BLADE SETS

#202
20150013327
2015-01-15

Hydroelectric power system and pump

#203
20150008676
2015-01-08

Marine turbine comprising a stator, a rotor, a first magnetic bearing supporting the rotor and a second support bearing with rolling element(s)

#204
20150007934
2015-01-08

Method for producing a circuit board and use of such a method

#205
20140374330
2014-12-25

Device for sea water desalination and power generation

#206
20140369841
2014-12-18

Blade for a water current turbine rotor, water current turbine comprising such a blade, associated water current turbine and method for producing such a blade

#207
20140353972
2014-12-04

Water flow regulating device and ocean power generating device using the same

#208
20140352592
2014-12-04

Method of transporting a hydroelectric turbine system

#209
20140318117
2014-10-30

Water current power generation systems

#210
20140284925
2014-09-25

Tidal stream generator

#211
20140271122
2014-09-18

Rooster tail suppression apparatus

#212
20140246792
2014-09-04

Power transfer and generation using pressurized fluids

#213
20140232117
2014-08-21

Hydroelectric turbine coil arrangement

#214
20140210211
2014-07-31

INEXPENSIVE FLOATING HORIZONTAL AND VERTICAL AXIS WATER TURBINES MOUNTED ON BRIDGE AND OTHER STRUCTURES TO CONVERT HYDROKINETIC ENERGY TO ELECTRIC ENERGY

#215
20140203558
2014-07-24

Kinetic energy harvesting using cyber-physical systems

#216
20140178177
2014-06-26

Water flow power generation apparatus

#217
20140167418
2014-06-19

Dynamo with columnar oscillator

#218
20140127019
2014-05-08

Uni-directional axial turbine blade assembly

#219
20140105752
2014-04-17

DRUM POUCH WIND TURBINE

#220
20140102189
2014-04-17

Hydroelectric turbine testing method

#221
20140077772
2014-03-20

Turbine array and a method of controlling a turbine array during a loss-of-grid event

#222
20140062088
2014-03-06

Hydraulic tidal and wind turbines with hydraulic accumulator

#223
20140035283
2014-02-06

Tidal current power generator

#224
20140017065
2014-01-16

Rotor apparatus

#225
20130343869
2013-12-26

Hydroelectric turbine recovery system and a method therefor

#226
20130334823
2013-12-19

Method and apparatus for generating energy from a flowing water current

#227
20130333371
2013-12-19

Power generating equipment

#228
20130333370
2013-12-19

Method and apparatus for energy generation

#229
20130328313
2013-12-12

Direct drive rotary wave energy conversion

#230
20130328311
2013-12-12

Tidal power generating device

#231
20130300122
2013-11-14

System and method for converting fluid motion into electrical power

#232
20130216381
2013-08-22

Oscillating foil turbine

#233
20130216356
2013-08-22

Apparatus for extracting energy from a fluid flow

#234
20130147199
2013-06-13

Submerged power-generation system

#235
20130140823
2013-06-06

System for conversion of wave energy into electrical energy

#236
20130134715
2013-05-30

System and method for generating electrical power from a flowing current of fluid

#237
20130119800
2013-05-16

Dynamo-electric machine

#238
20130099502
2013-04-25

Apparatus for generating power from fluid flow

#239
20130074335
2013-03-28

Rotation blade attachment method for regeneration energy type electric generation apparatus

#240
20130069369
2013-03-21

Renewable energy extraction device

#241
20130052011
2013-02-28

ADVANCED WARNING SYSTEM AND METHOD FOR A TURBINE

#242
20130043682
2013-02-21

Direct drive rotary wave energy conversion

#243
20130036731
2013-02-14

MODULE FOR RECOVERING ENERGY FROM MARINE AND FLUVIAL CURRENTS

#244
20130015659
2013-01-17

Tidal Turbine System

#245
20130011257
2013-01-10

POWER GENERATING APPARATUS AND METHOD

#246
20120292907
2012-11-22

Fluid energy apparatus and method

#247
20120286518
2012-11-15

Maritime current power plant park and a method for its production

#248
20120282064
2012-11-08

APPARATUS AND METHODS OF POSITIONING A SUBSEA OBJECT

#249
20120280506
2012-11-08

Hydroelectric turbine cabling system

#250
20120275865
2012-11-01

Method and device for installing a tidal power plant

#251
20120272614
2012-11-01

Tidal power plant and method for the creation thereof

#252
20120248778
2012-10-04

Hydroelectric generator

#253
20120228878
2012-09-13

Tidal Power Plant and Method for the Construction Thereof

#254
20120211990
2012-08-23

Energy conversion systems and methods

#255
20120211988
2012-08-23

Submersible electric power generator system

#256
20120211987
2012-08-23

Marine energy hybrid

#257
20120202369
2012-08-09

Connector for mounting an underwater power generator

#258
20120201664
2012-08-09

Water born rotor mechanism adapted for generating power

#259
20120200084
2012-08-09

UNDERWATER POWER GENERATOR

#260
20120193922
2012-08-02

GENERATION APPARATUS

#261
20120189448
2012-07-26

EASY MAINTENANCE HYDRAULIC TURBINE ENGINE

#262
20120186676
2012-07-26

TIDAL FLOW MODULATOR

#263
20120175877
2012-07-12

Enhanced method of controlling the output of a hydroelectric turbine generator

#264
20120171035
2012-07-05

LEVERAGE-MAXIMIZING VERTICAL AXIS RECIPROCATING BLADE HYDRO POWER GENERATOR

#265
20120153625
2012-06-21

Hydrodynamic array with mass transit tunnels

#266
20120148424
2012-06-14

RIM DRIVE ELECTRICAL MACHINE

#267
20120133140
2012-05-31

Underwater power generator with dual blade sets

#268
20120119501
2012-05-17

System and Method for Fluid Flow Power Generation

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