ClassID:

144492

F05B2210/18 - CPC Classification

Classification description:

Working fluid Air and water being simultaneously used as working fluid

Recent Application in this class:
#1
20250257711
2025-08-14

JOHNSON EJECTOR WATER AND POWER GENERATOR

#2
20250116252
2025-04-10

SYSTEM FOR HARNESSING A PRESSURE FLUCTUATION OF A LIQUID

#3
20250059942
2025-02-20

Two-Body Flexible Tether-Connected Oscillating Water Column

#4
20240392741
2024-11-28

Buoyancy engine

#5
20240318622
2024-09-26

POWER GENERATOR DRIVING DEVICE UTILIZING TIDES TO FORM LIQUID PISTON

#6
20240297529
2024-09-05

System and method for storing energy, and for recovering stored energy by using liquid and gas as pistons

#7
20240271592
2024-08-15

HERMETIC CAP TIDAL PULSE RESPONDER

#8
20240035435
2024-02-01

ENERGY GENERATION AND STORAGE SYSTEM BASED ON TRAVELING PISTON IN A NON-HORIZONTAL TUBE

#9
20230400003
2023-12-14

AN IMPROVED SYSTEM AND METHOD FOR GENERATING ELECTRICAL ENERGY FROM AIR HYDROPOWER

#10
20230175472
2023-06-08

SYSTEM FOR STORING AND RECOVERING ENERGY

#11
20210108612
2021-04-15

RENEWABLE ENERGY CONVERSION APPARATUS

#12
20200362820
2020-11-19

COUNTERBALANCED AND COMPENSATED POWER GENERATION SYSTEM

#13
20200325870
2020-10-15

Booster assembly and apparatus

#14
20200309085
2020-10-01

Air-driven generator

#15
20200080531
2020-03-12

Apparatus and method for generating electricity with pressurized water and air flow media

#16
20190063396
2019-02-28

Air-driven generator

#17
20180291866
2018-10-11

Buoyant force conversion device and method

#18
20180119710
2018-05-03

Pump device for converting rotation into fluid flow

#19
20180023536
2018-01-25

SYSTEM AND METHOD FOR ENERGY GENERATION AND FLUID TREATMENT

#20
20180010572
2018-01-11

ROTARY AIDED CONJUNCTIVE ENERGY SYSTEM

#21
20170204738
2017-07-20

Hydroelectric power generating system

#22
20150211489
2015-07-30

Carbon dioxide neutralizing power generating device

#23
20140327247
2014-11-06

Multisource renewable energy generation

#24
20130216356
2013-08-22

Apparatus for extracting energy from a fluid flow

#25
20130099496
2013-04-25

Ocean wave energy system

#26
20130088013
2013-04-11

Water current energy converter system

#27
20130011257
2013-01-10

POWER GENERATING APPARATUS AND METHOD

#28
20120321481
2012-12-20

Spinnable Bladed Device For Operation In Air, Water Or Other Fluid Medium

#29
20120301297
2012-11-29

Fluid turbine device for power generation

#30
20120297759
2012-11-29

System of power generation with under water pressure of air

#31
20120292910
2012-11-22

WAVE ENERGY CONVERTER

#32
20120292907
2012-11-22

Fluid energy apparatus and method

#33
20120167828
2012-07-05

Ocean current electrical generating system

#34
20120043764
2012-02-23

Wind and water power generator ship

#35
20120038173
2012-02-16

Method, system and apparatus for providing water to a heat engine via a dammed water source

#36
20120038165
2012-02-16

SYSTEM AND METHOD FOR GENERATING POWER IN A DAM

#37
20120032444
2012-02-09

Wave Catcher

#38
20110266803
2011-11-03

Maritime device for producing electric power

#39
20110237839
2011-09-29

Modular power plant unconnected to the grid

#40
20110031344
2011-02-10

High voltage flying apparatus employing multiple motors

#41
20110018275
2011-01-27

Wave power plant and transmission

#42
20100289264
2010-11-18

Wind-hydro power generating system and method

#43
20100283251
2010-11-11

Turbine assembly

#44
20100278630
2010-11-04

Power generation assemblies, and apparatus for use therewith

#45
20100187827
2010-07-29

Method of Generating Hydroelectric Power

#46
20100156102
2010-06-24

Electric generation system including multiple motor/generators

#47
20100133903
2010-06-03

Energy storage systems

#48
20100045045
2010-02-25

WAVE POWER CONVERSION

#49
20090309366
2009-12-17

Wave energy converter

#50
20090295162
2009-12-03

Wind power generation system of a type provided with power storage system

#51
20090267347
2009-10-29

Pelagic sustainable energy system

#52
20090243293
2009-10-01

Conversion of ocean wave energy into electrical power

#53
20090226331
2009-09-10

Wave energy accumulator

#54
20090169354
2009-07-02

Apparatus for use of flow energy

#55
20090160195
2009-06-25

Wind-catcher and accelerator for generating electricity

#56
20090140523
2009-06-04

System and process for generating hydroelectric power

#57
20090134623
2009-05-28

Fluid energy apparatus and method

#58
20090129953
2009-05-21

PUMP, POWER PLANT, A WINDMILL, AND A METHOD OF PRODUCING ELECTRICAL POWER FROM WIND ENERGY

#59
20090102415
2009-04-23

Suitcase power system

#60
20090045632
2009-02-19

Flow energy installation

#61
20090041575
2009-02-12

Driving Apparatus for a Wave Power Device

#62
20090021021
2009-01-22

Power generation system including multiple motors/generators

#63
20090008940
2009-01-08

Hydroelectric device

#64
20080279687
2008-11-13

Submersible waterwheel with hinged rotor blades and spring-loaded water seals

#65
20080211234
2008-09-04

Power towers/innovative method of power extraction using static airfoils

#66
20080141652
2008-06-19

Ring jet propulsor

#67
20080078316
2008-04-03

TURBINE-INTEGRATED HYDROFOIL

#68
20070267874
2007-11-22

Integrated power plant that utilizes renewable and alternative energy sources

#69
20070240752
2007-10-18

Built-in universal solar collector with its applied structures

#70
20070120371
2007-05-31

Current power generator

#71
20070114796
2007-05-24

System and method for integrating wind and hydroelectric generation and pumped hydro energy storage systems

#72
20070046028
2007-03-01

Turbine-integrated hydrofoil

#73
20070036650
2007-02-15

Rotor and system

#74
20060212845
2006-09-21

Extracting energy from flowing fluids

#75
20060171798
2006-08-03

Power generation assemblies, and apparatus for use therewith

#76
20060125243
2006-06-15

Mechanism for rotating the rotor/s, stator/s, an electric power generator/s

#77
20060061107
2006-03-23

Energy scavenging methods and apparatus

#78
20050134050
2005-06-23

Offshore energy platform

#79
18118652
2024-06-18

Power storage system