ClassID:

144504

F05B2220/20 - CPC Classification

Classification description:

Application within closed fluid conduits, e.g. pipes

Recent Application in this class:
#1
20250257712
2025-08-14

TUBULAR TURBINE SYSTEMS AND METHODS

#2
20240418142
2024-12-19

COMPRESSION RECOVERY DEVICE FOR DELIVERING ELECTRICITY IN PIPELINE SYSTEMS

#3
20240318623
2024-09-26

Apparatuses, Systems, and Methods for Providing Power Generation

#4
20240309846
2024-09-19

TURBOEXPANDER ISLANDING OPERATION

#5
20240209826
2024-06-27

Tubular turbine device for a fluid transport network

#6
20240159218
2024-05-16

A POWER AND FUEL GENERATION SYSTEM

#7
20230383729
2023-11-30

Turboexpander islanding operation

#8
20230340935
2023-10-26

Hydraulic system for a water network and water network comprising such a system

#9
20230203919
2023-06-29

Turbine current generator

#10
20230202870
2023-06-29

System for water desalination and electricity generation

#11
20230028761
2023-01-26

EXHAUST AND ELECTRICAL GENERATION SYSTEM

#12
20220325690
2022-10-13

Energy transmission system and installation with a such energy transmission system

#13
20220307460
2022-09-29

ASSEMBLY FOR THE GENERATION OF POWER FROM A FLUID FLOW AND INSTALLATION PROCESS FOR SUCH ASSEMBLIES

#14
20220299005
2022-09-22

Energy conversion system

#15
20220252037
2022-08-11

MULTI-MODE SUBTERRANEAN ENERGY SYSTEM

#16
20220235733
2022-07-28

Hydroelectric power generation system

#17
20220220932
2022-07-14

ELECTRICAL ENERGY GENERATION DEVICE

#18
20220213999
2022-07-07

Stop and go pig

#19
20220195978
2022-06-23

Apparatuses, systems, and methods for providing power generation

#20
20220128025
2022-04-28

SYSTEM FOR ELECTRICITY GENERATION USING HEAT PUMP AND HYDRO TURBINES

#21
20220039911
2022-02-10

Energy recovery device

#22
20210348590
2021-11-11

Powered augmented fluid turbines

#23
20210269132
2021-09-02

FLUID MACHINE WITH IMPELLER DRIVEN VIA ITS RIM

#24
20210095546
2021-04-01

Power-generating apparatus for downhole tubulars

#25
20200378353
2020-12-03

Adapter element with integrated water turbine generator

#26
20200355182
2020-11-12

Fluid end crossbore

#27
20200325870
2020-10-15

Booster assembly and apparatus

#28
20200235639
2020-07-23

In-pipe turbine generator assembly having a stator comprising different length stator segments

#29
20200224635
2020-07-16

Power Generator

#30
20200031446
2020-01-30

Rotating electrical machine apparatus

#31
20190242355
2019-08-08

Adapter element with integrated water turbine generator

#32
20190136826
2019-05-09

Speed limiting turbine for a conduit

#33
20190128125
2019-05-02

Power generator

#34
20190101114
2019-04-04

Fluid end crossbore

#35
20190055913
2019-02-21

Hydroelectric generating device

#36
20190010619
2019-01-10

WATER TREATMENT SYSTEM AND METHOD

#37
20180202844
2018-07-19

Regulating pressure and harvesting energy as relates to flow meters and metrology hardware

#38
20180202309
2018-07-19

Apparatus using magnets for harvesting energy on a metrology device

#39
20180142666
2018-05-24

Double Paddle Mechanism for Pool Cleaner

#40
20180087799
2018-03-29

Tethered control for direct drive motor integrated into damper blade

#41
20180045169
2018-02-15

IMPROVED APPARATUS FOR EXCHANGING KINETIC ENERGY BETWEEN A FLUID AND A STRUCTURE MOVEABLE RELATIVE TO THE FLUID

#42
20170328340
2017-11-16

SYSTEMS AND METHODS FOR GENERATING ENERGY

#43
20170314527
2017-11-02

Fluid system

#44
20170241242
2017-08-24

Downhole transducer assembly

#45
20170226646
2017-08-10

Water treatment system and method

#46
20160305396
2016-10-20

Systems and methods for generating energy

#47
20160290310
2016-10-06

In-pipe turbine and hydro-electric power generation system with separable housing and detachable vane arrangements

#48
20160290153
2016-10-06

Turbine-type flow rate controlling device

#49
20160290152
2016-10-06

Turbine-type flow rate controlling device

#50
20160252072
2016-09-01

System and method for insertion and extraction of a device to and from a fluid-containing body

#51
20160226340
2016-08-04

Current generation device for pipeline

#52
20160194975
2016-07-07

Energy reclamation from fluid-moving systems

#53
20160185431
2016-06-30

Rotating electrical machine apparatus

#54
20150369375
2015-12-24

Adjustment valve with energy recovery

#55
20150345461
2015-12-03

Water turbine generator

#56
20150267884
2015-09-24

Shaft-less radial vane turbine generator

#57
20150185737
2015-07-02

Cold bathing water to toilet diverting apparatus

#58
20150102603
2015-04-16

Method and device for supplying a measurement electronics system with electrical energy

#59
20140375059
2014-12-25

Fluid-driven power generating apparatus

#60
20140346776
2014-11-27

Generator-type pressure relief device for water supply and drainage pipes

#61
20140339326
2014-11-20

Sprinkler control module

#62
20140271124
2014-09-18

Double paddle mechanism for pool cleaner

#63
20140077497
2014-03-20

Fluid-driven power generating apparatus

#64
20140062092
2014-03-06

Underground watermill

#65
20140042751
2014-02-13

Apparatus for creating electricity from pressure fluctuations in pipes

#66
20130292334
2013-11-07

Water desalination mechanism

#67
20130207390
2013-08-15

Hydroelectric in-pipe turbine uses

#68
20130136627
2013-05-30

Outlet device with collected outer sound to control the waterway

#69
20130099499
2013-04-25

SMALL TURBINES IN URBAN SEWAGE AND STORM WATER FLOW SYSTEMS USED IN ONSITE POWER PLANTS FOR HYDROGEN FUEL PRODUCTION AND WATER PURIFICATION

#70
20130043681
2013-02-21

METHODS AND SYSTEMS FORHYDROELECTRIC POWER GENERATION

#71
20120319409
2012-12-20

Retractable power turbine and method thereof

#72
20120318386
2012-12-20

FLOW CONTROLLER FOR LIQUIDS, HAVING AN ENERGY SUPPLY BY MEANS OF THE FLOW

#73
20120306205
2012-12-06

NOVEL SYSTEMS FOR INCREASING EFFICIENCY AND POWER OUTPUT OF IN-CONDUIT HYDROELECTRIC POWER SYSTEM AND TURBINE

#74
20120274066
2012-11-01

In-pipe turbine

#75
20120187691
2012-07-26

Source of electric green-energy extracted at the maximum potential point from discharged wastewater of residential and commercial buildings

#76
20120139249
2012-06-07

AIR CURRENT GENERATING SYSTEM AND METHOD

#77
20120138447
2012-06-07

Solar desalination system with solar-initiated wind power pumps

#78
20120086204
2012-04-12

SYSTEM AND METHOD FOR CONTROLLED HYDROELECTRIC POWER GENERATION

#79
20120055160
2012-03-08

AIR CURRENT GENERATING SYSTEM AND METHOD

#80
20120031518
2012-02-09

NOVEL DESIGNS AND ASSEMBLY METHODS FOR CONDUIT USED IN HARNESSING HYDROKINETIC ENERGY

#81
20110268565
2011-11-03

Tunnel turbine system generates potential energy from dorment kinetic energy

#82
20110233935
2011-09-29

MINIATURE HYDRO-POWER GENERATION SYSTEM

#83
20110233933
2011-09-29

PRESSURE REGULATION DEVICE ADAPTED TO MAINTAIN A PREDETERMINED PRESSURE DROP AND DERIVE ENERGY THEREBY

#84
20110225724
2011-09-22

VERTICAL POSITIONING SHOWER ATTACHMENT

#85
20110162718
2011-07-07

Rotatable flange for a water monitor

#86
20110133467
2011-06-09

Kinetic energy recycling system for usable electric and hydraulic power generation

#87
20110133452
2011-06-09

Energy generating assembly and a method for generating energy

#88
20110114561
2011-05-19

SPIRAL TYPE MEMBRANE FILTERING DEVICE AND MOUNTING MEMBER, AND MEMBRANE FILTERING DEVICE MANAGING SYSTEM AND MEMBRANE FILTERING DEVICE MANAGING METHOD USING THE SAME

#89
20110114560
2011-05-19

SPIRAL TYPE MEMBRANE ELEMENT AND SPIRAL TYPE MEMBRANE FILTERING DEVICE HAVING THE MEMBRANE ELEMENT, AND MEMBRANE FILTERING DEVICE MANAGING SYSTEM AND MEMBRANE FILTERING DEVICE MANAGING METHOD USING THE DEVICE

#90
20110042953
2011-02-24

EMBEDDED TURBINE GENERATOR SET

#91
20110018278
2011-01-27

Device and method for capturing energy from building systems

#92
20100308591
2010-12-09

INLINE HYDRO ELECTRIC GENERATION SYSTEM

#93
20100295311
2010-11-25

Miniature hydro-power generation system

#94
20100090465
2010-04-15

Process of installing prefabricated sections of pressurized and/or non-pressurized fluid-, utility-, and/or matter-carrying and encapsulated mediums with turbine systems attached into medium systems

#95
20090278355
2009-11-12

Miniature hydro-power generation system

#96
20090188995
2009-07-30

FAUCET APPARATUS

#97
20090026769
2009-01-29

Faucet generator

#98
20080315593
2008-12-25

WIND DAM

#99
20080303286
2008-12-11

WIND ELECTRICAL GENERATION SYSTEM

#100
20080290663
2008-11-27

Hydroelectric in-pipe generator

#101
20080219831
2008-09-11

Pipe flow-driven power generator

#102
20080136191
2008-06-12

Miniature hydro-power generation system

#103
20070246941
2007-10-25

Hydraulic power generating device and manufacturing method therefor

#104
20070145751
2007-06-28

Integrated fluid power conversion system

#105
20050129503
2005-06-16

Small-sized hydroelectric generator

#106
20050069413
2005-03-31

System and method and for use in hydroelectric power station and hydroelectric power station employing same

#107
20050039921
2005-02-24

Wellbore power generating system for downhole operation

#108
18773932
2025-07-01

Water treatment system power generation

#109
14320642
2017-04-04

Hydroelectric power generating device and system