F03B3/18 - CPC Classification Index

#1

20260009369

2026-01-08

GUIDE VANE

#2

20250347261

2025-11-13

FLUID CONNECTION FOR A HYDROMOTIVE MACHINE

#3

20250003380

2025-01-02

Hydroelectric Turbine Device and Method of Use

#4

20240352913

2024-10-24

FLUID CONNECTION FOR A HYDROMOTIVE MACHINE

#5

20240287956

2024-08-29

HYDROELECTRIC/HYDROKINETIC TURBINE AND METHODS FOR MAKING AND USING SAME

#6

20230417218

2023-12-28

Vertical-Axis Renewable-Power Generator

#7

20230175479

2023-06-08

Vertical-axis renewable-power generator

#8

20230108404

2023-04-06

SYSTEM INCLUDING CAVITATION IMPELLER AND TURBINE

#9

20220381216

2022-12-01

Hydroelectric turbine for generating electricity by converting energy of ocean waves

#10

20220074380

2022-03-10

Hydroelectric/hydrokinetic turbine and methods for making and using same

#11

20210270230

2021-09-02

Toroidal lift force engine

#12

20210207569

2021-07-08

Francis-type turbine runner and Francis-type turbine

#13

20210123410

2021-04-29

MOVABLE AND SEMI-SUBMERGED POWER GENERATOR USING WATERWHEEL TURBINE

#14

20200300210

2020-09-24

Apparatus and method for modifying a geometry of a turbine part

#15

20200296347

2020-09-17

Hand-held turbine cleaner

#16

20200149505

2020-05-14

Hydraulic turbine

#17

20190264647

2019-08-29

Hydroelectric/hydrokinetic turbine and methods for making and using same

#18

20180195489

2018-07-12

Axial-flow turbine for low-head installations

#19

20180171973

2018-06-21

Axial modulating mechanism for rotating shafts realizing controllable-pitch-blade fans

#20

20180091791

2018-03-29

Streaming volumetric video for six degrees of freedom virtual reality

#21

20180087484

2018-03-29

Hydroelectric/hydrokinetic turbine and methods for making and using same

#22

20180087286

2018-03-29

Turbine-Powered Pool Scrubber

#23

20180038345

2018-02-08

Fluid turbine systems

#24

20180038340

2018-02-08

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

#25

20180023534

2018-01-25

Hydraulic turbine

#26

20180023532

2018-01-25

Reversible water pump and hydroturbine

#27

20180017034

2018-01-18

Method for mounting a guide apparatus

#28

20180010573

2018-01-11

Water power plant having a free-standing axis of rotation

#29

20170321649

2017-11-09

Apparatus and method for modifying a geometry of a turbine part

#30

20170268477

2017-09-21

Method for stabilizing the rotation speed of a hydraulic machine with S-characteristics and installation for converting hydraulic energy into electrical energy

#31

20170145981

2017-05-25

Hydroelectric generator system including helical longitudinal blades forming an open bore and aligned with a current direction

#32

20170138331

2017-05-18

VARIABLE AREA BLADE TURBINE AND CONDITIONING FLOW DEFLECTORS DEVICE AND METHOD

#33

20170030324

2017-02-02

Submersible electrical wicket gates operator

#34

20170009736

2017-01-12

Fluid turbine with rotor

#35

20160341014

2016-11-24

In-riser power generation

#36

20160333844

2016-11-17

Pumped-storage system

#37

20160290309

2016-10-06

HYDRAULIC POWER GENERATION DEVICE

#38

20160251964

2016-09-01

APPARATUS AND METHODS FOR ENERGY CONVERSION

#39

20160245256

2016-08-25

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

#40

20160115936

2016-04-28

Tidal power generation system and methods

#41

20160084218

2016-03-24

Systems and Methods for Hydromotive Machines

#42

20160079829

2016-03-17

ACCELERATED FLUID MACHINE

#43

20160053743

2016-02-25

System comprising a vertical turbine with flow guides

#44

20160032888

2016-02-04

Power generating water turbine assembly

#45

20150285219

2015-10-08

Rotor and fluid turbine with rotor

#46

20150285208

2015-10-08

Fluid turbine

#47

20150240777

2015-08-27

Turbine structure and OWC device comprising such turbine structure

#48

20150233339

2015-08-20

Turbine with radial inlet and outlet and multi-element guide vanes for oscillating flows

#49

20150211475

2015-07-30

Power generating assembly

#50

20150147163

2015-05-28

FLUID TURBINE SYSTEMS

#51

20140308119

2014-10-16

HYDRAULIC MACHINERY

#52

20140241855

2014-08-28

Run-of-the-river or ocean current turbine

#53

20140154057

2014-06-05

FRANCIS TURBINE OR A FRANCIS PUMP OR A FRANCIS PUMP TURBINE

#54

20140141927

2014-05-22

Infinitely variable direction control

#55

20140137676

2014-05-22

Infinitely variable pumps and compressors

#56

20130320678

2013-12-05

Extracting energy from flowing fluids

#57

20130223978

2013-08-29

Method and system for tuning a turbine using secondary injection nozzles in nozzle ring

#58

20130177456

2013-07-11

Fluid pressure amplifier

#59

20130153242

2013-06-20

IN-RISER POWER GENERATION

#60

20130088015

2013-04-11

HYDROELECTRIC GENERATORS

#61

20130088014

2013-04-11

Power plant with cassette-type power unit

#62

20130011251

2013-01-10

Turbine with radial inlet and outlet rotor for use in bidirectional flows

#63

20120299301

2012-11-29

Infinitely variable motion control (IVMC) for river turbines

#64

20120292264

2012-11-22

Device and method for removing suspended-material particles

#65

20120251322

2012-10-04

Rotating fluid conduit utilized such a propeller or turbine, characterized by a rotating annulus, formed by a rotating inner hub and a rotating outer shell

#66

20120187687

2012-07-26

Hydroelectric Generators

#67

20120187686

2012-07-26

HYDROELECTRIC GENERATORS

#68

20120169054

2012-07-05

Power conversion and energy storage device

#69

20120107090

2012-05-03

Machine for increased hydro power generation

#70

20120082544

2012-04-05

Girder for supporting a tidal turbine fairing and tidal turbine comprising such a girder

#71

20110309624

2011-12-22

DEVICE AND SYSTEM FOR EXTRACTING TIDAL ENERGY

#72

20110293400

2011-12-01

Installation for converting hydraulic energy, and a method of controlling such an installation

#73

20110268565

2011-11-03

Tunnel turbine system generates potential energy from dorment kinetic energy

#74

20110148117

2011-06-23

UNDERWATER TURBINE WITH FINNED DIFFUSER FOR FLOW ENHANCEMENT

#75

20110115228

2011-05-19

FLOW ENHANCEMENT FOR UNDERWATER TURBINE GENERATOR

#76

20100290900

2010-11-18

HYDROPOWER SYSTEM WITH INCREASED POWER INPUT CHARACTERISTICS

#77

20100260596

2010-10-14

Hydraulic bulb turbine with mixed-flow propeller runner

#78

20100181771

2010-07-22

Integrated hydroelectric power-generating system and energy storage device

#79

20100129193

2010-05-27

System and method for extracting power from fluid using a Tesla-type bladeless turbine

#80

20090087305

2009-04-02

Exit stay apparatus with intermediate flange

#81

20090087301

2009-04-02

Machine for increased hydro power generation

#82

20070284884

2007-12-13

Flow enhancement for underwater turbine

#83

20070140829

2007-06-21

Modular Hydraulic or Hydroelectric Machine

#84

20050265820

2005-12-01

Means to regulate water velocity through a hydro electric turbine

#85

20050186068

2005-08-25

Fish friendly hydraulic turbine distributor