Patents-Review.com
ClassID:

142226 ⎘

F03B15/02 - CPC Classification

Classification description:

Controlling by varying liquid flow

Sub-classes:
Recent Application in this class:
#1
20240376857
2024-11-14

SUBMERGED FIN FOR WAVE ENERGY CONVERSION

 #2
20240344495
2024-10-17

Two-body variable geometry wave energy converter

 #3
20240301852
2024-09-12

Method for starting a turbine in a pump mode

 #4
20240253809
2024-08-01

SYSTEMS FOR HARVESTING ROTATIONAL WHEEL ENERGY FOR LANDING GEAR RETRACTION

 #5
20240191683
2024-06-13

ENERGY GENERATING DEVICE

 #6
20240175419
2024-05-30

ENERGY-RECOVERY TURBINE WITH PRESSURE-RELEASE VALVE

 #7
20230003185
2023-01-05

ENERGY GENERATION AND WATER CONSERVATION

 #8
20220389897
2022-12-08

Method for starting a turbine in a pump mode

 #9
20220252037
2022-08-11

MULTI-MODE SUBTERRANEAN ENERGY SYSTEM

 #10
20210215128
2021-07-15

Pumped storage system with waterfall control subsystem

 #11
20210214096
2021-07-15

Systems for harvesting rotational wheel energy for landing gear retraction

 #12
20210199084
2021-07-01

Hydraulic turbine with self-power generation to manage, monitor and control the pressure and flow in a water or other fluid supply system

 #13
20210164434
2021-06-03

System for generating electrical energy from the wave motion of the sea

 #14
20200240389
2020-07-30

Pump and drop electrical generation apparatus

 #15
20200095972
2020-03-26

Method for controlling a wave power system by means of an integral proportional-control law

 #16
20200025180
2020-01-23

DEVICE PROVIDING NON-INERTIAL PROPULSION WHILE CONSERVING PROPELLANT MASS AND METHOD THEREFOR

 #17
20190301425
2019-10-03

METHOD AND APPARATUS FOR GENERATING POWER FROM ATMOSPHERIC PRESSURE AND VACUUM

 #18
20190277244
2019-09-12

Method for controlling a wave power system by means of a control obtained by minimizing an objective function weighted and discretized by the trapezoidal rule

 #19
20190271291
2019-09-05

Hydroelectric power generation system

 #20
20190219024
2019-07-18

Francis turbine and method of operating same

 #21
20190024624
2019-01-24

BUOYANCY-DRIVEN POWER GENERATION APPARATUS

 #22
20180347550
2018-12-06

DEVICE PROVIDING NON-INERTIAL PROPULSION WHILE CONSERVING PROPELLANT MASS AND METHOD THEREFOR

 #23
20180335012
2018-11-22

NATURAL FORCES ENERGY SYSTEM

 #24
20180180019
2018-06-28

Energy storage and power generation system and method

 #25
20180128238
2018-05-10

Method and system for energy conversion from a flow of fluid

 #26
20180038340
2018-02-08

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

 #27
20180023537
2018-01-25

Hydroelectric power generator using ebb and flow of seawater

 #28
20180010572
2018-01-11

ROTARY AIDED CONJUNCTIVE ENERGY SYSTEM

 #29
20180003148
2018-01-04

Tidal power generator

 #30
20170350428
2017-12-07

Pressure exchanger as choke

 #31
20170226984
2017-08-10

Wave energy converter

 #32
20170089320
2017-03-30

Controller for pendulum type wave-power generating apparatus

 #33
20160237980
2016-08-18

Method and system for extracting kinetic energy from surface waves of a water

 #34
20160115938
2016-04-28

High building power generation device

 #35
20160097369
2016-04-07

Low profile ocean pump array generation station

 #36
20160061181
2016-03-03

ARRANGEMENT FOR CONTROLLING WATER FLOW AT EDGE OF RECIPROCATING PANEL ELEMENT OF A WAVE ENERGY RECOVERY UNIT

 #37
20150047332
2015-02-19

HYDROSTATIC ENERGY RECOVERY SYSTEM AND METHOD

 #38
20140197638
2014-07-17

Control system of variable speed pumped storage hydropower system and method of controlling the same

 #39
20140141927
2014-05-22

Infinitely variable direction control

 #40
20140137676
2014-05-22

Infinitely variable pumps and compressors

 #41
20140075932
2014-03-20

Wave power converting device

 #42
20130309071
2013-11-21

Turbines

 #43
20130147193
2013-06-13

Method for operating a machine located in choppy waters

 #44
20120313373
2012-12-13

CONTROLLER FOR PENDULUM TYPE WAVE-POWER GENERATING APPARATUS

 #45
20120299301
2012-11-29

Infinitely variable motion control (IVMC) for river turbines

 #46
20120107090
2012-05-03

Machine for increased hydro power generation

 #47
20120059523
2012-03-08

Fluid-working machine and method of operating a fluid-working machine

 #48
20110299988
2011-12-08

WATER WHEEL

 #49
20110062714
2011-03-17

Energy converter device with reactive hydraulic power transformer

 #50
20090087301
2009-04-02

Machine for increased hydro power generation

 #51
20090085356
2009-04-02

Dam-free hydro-power plant

 #52
20070182159
2007-08-09

Sewer line power generating system

 #53
18825232
2025-09-30

Hydropower plant with offshore water supply

 #54
16549108
2020-10-27

Liquid-filled hydroelectric generation device