ClassID:

160475

F25J2240/40 - CPC Classification

Classification description:

Processes or apparatus involving steps for expanding of process streams Expansion without extracting work, i.e. isenthalpic throttling, e.g. JT valve, regulating valve or venturi, or isentropic nozzle, e.g. Laval

Sub-classes:
Recent Application in this class:
#1
20260146787
2026-05-28

NATURAL GAS LETDOWN GENERATOR SYSTEM AND METHOD

#2
20260098682
2026-04-09

METHOD AND INSTALLATION FOR THE PRODUCTION OF A LIQUEFIED CRYOGENIC FLUID

#3
20260092734
2026-04-02

Method of Hydrogen Liquefaction Using Optimized Claude Refrigeration Cycles

#4
20260049764
2026-02-19

Recovering Natural Gas Liquids

#5
20250314423
2025-10-09

METHOD AND APPARATUS FOR RELIQUEFACTION AND RECYCLING OF BOIL-OFF GAS INTO AN LNG TANK

#6
20250264273
2025-08-21

PHASE IMPLEMENTATION OF NATURAL GAS LIQUID RECOVERY PLANTS

#7
20250180285
2025-06-05

INSTALLATION AND METHOD FOR PRODUCING LIQUEFIED HYDROGEN

#8
20240410649
2024-12-12

INSTALLATION AND A METHOD FOR COOLING A FLUID TO CRYOGENIC TEMPERATURE

#9
20240343578
2024-10-17

HELIUM SEPARATION AND RECOVERY PROCESS

#10
20240310115
2024-09-19

HYDROGEN LIQUEFACTION DEVICE AND HYDROGEN LIQUEFACTION METHOD

#11
20240219115
2024-07-04

DYNAMIC RATE LIMITER FOR LOAD SHARING APPLICATION

#12
20240068744
2024-02-29

METHOD FOR LIQUEFYING A STREAM RICH IN CO2

#13
20230392861
2023-12-07

SYSTEM FOR COOLING AND CONDENSING GAS

#14
20230324115
2023-10-12

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#15
20230304732
2023-09-28

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#16
20230266061
2023-08-24

Fuel Gas Conditioning System and Process to Improve Output Gas Quality

#17
20230160633
2023-05-25

Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent Vapor Stream

#18
20230131311
2023-04-27

Natural gas letdown generator system and method

#19
20230128794
2023-04-27

NATURAL GAS LETDOWN GENERATOR SYSTEM AND METHOD

#20
20230119458
2023-04-20

PLANT FOR TREATING GAS, PARTICULARLY NATURAL GAS, SUPPLIED BY A TRANSMISSION NETWORK

#21
20230050081
2023-02-16

Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent Vapor Stream

#22
20230025321
2023-01-26

CO2 SEPARATION & LIQUEFACTION SYSTEM AND METHOD

#23
20220397343
2022-12-15

FACILITY FOR THE SEPARATION AND LIQUEFACTION OF METHANE AND CO2 COMPRISING A VAPO/CONDENSER PLACED IN AN INTERMEDIATE STAGE OF THE DISTILLATION COLUMN

#24
20220373257
2022-11-24

Pretreatment of natural gas prior to liquefaction

#25
20220364789
2022-11-17

Side draw reflux heavy hydrocarbon removal system and method

#26
20220236004
2022-07-28

Systems and Methods for Improving the Efficiency of Combined Cascade and Multicomponent Refrigeration Systems

#27
20220018597
2022-01-20

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#28
20210381762
2021-12-09

Method for obtaining one or more air products, and air separation unit

#29
20210381760
2021-12-09

Phase implementation of natural gas liquid recovery plants

#30
20210348838
2021-11-11

SYSTEM AND METHOD FOR NATURAL GAS AND NITROGEN LIQUEFACTION WITH DIRECT DRIVE MACHINES FOR TURBINES AND BOOSTERS

#31
20210341224
2021-11-04

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#32
20210341221
2021-11-04

CONFIGURATIONS AND METHODS FOR SMALL SCALE LNG PRODUCTION

#33
20210310731
2021-10-07

FLEXIBLE INSTALLATION OF A HYDROCARBON LIQUEFACTION UNIT

#34
20210215420
2021-07-15

HEAVY HYDROCARBON REMOVAL FROM LEAN GAS TO LNG LIQUEFACTION

#35
20210190420
2021-06-24

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#36
20210172676
2021-06-10

Preparing hydrocarbon streams for storage

#37
20210088278
2021-03-25

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#38
20200333050
2020-10-22

Refrigeration cycle for liquid oxygen densification

#39
20200309451
2020-10-01

CO2 separation and liquefaction system and method

#40
20200292230
2020-09-17

Hydrocarbon gas processing

#41
20200284507
2020-09-10

Methods for providing refrigeration in natural gas liquids recovery plants

#42
20200232704
2020-07-23

Systems and methods for using multiple cryogenic hydraulic turbines

#43
20200208910
2020-07-02

Apparatus for liquefying natural gas and method for liquefying natural gas

#44
20190154331
2019-05-23

Method And System For At Least Partially Converting Methane-Containing Gas, In Particular Boil-Off Gas, Retained In A Container, To A Liquid State

#45
20190137172
2019-05-09

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#46
20190137170
2019-05-09

System and method for producing liquefied natural gas

#47
20190120550
2019-04-25

Phase implementation of natural gas liquid recovery plants

#48
20190118134
2019-04-25

Apparatus and method for separating COat low temperature comprising a step of separation by permeation

#49
20190049176
2019-02-14

METHODS FOR PROVIDING REFRIGERATION IN NATURAL GAS LIQUIDS RECOVERY PLANTS

#50
20190041126
2019-02-07

Systems and methods for multi-stage refrigeration

#51
20180363979
2018-12-20

Supersonic separation of hydrocarbons

#52
20180347899
2018-12-06

Hydrocarbon gas processing

#53
20180347898
2018-12-06

Hydrocarbon gas processing

#54
20180347897
2018-12-06

Large-scale hydrogen liquefaction by means of a high pressure hydrogen refrigeration cycle combined to a novel single mixed-refrigerant precooling

#55
20180320957
2018-11-08

Low-temperature mixed-refrigerant for hydrogen precooling in large scale

#56
20180313604
2018-11-01

Hydrogen-neon mixture refrigeration cycle for large-scale hydrogen cooling and liquefaction

#57
20180306214
2018-10-25

SYSTEM FOR CONTROLLING A FLOW OF FLUID, FEEDING SYSTEM COMPRISING SUCH A CONTROL SYSTEM AND METHOD USING SUCH A FEEDING SYSTEM

#58
20180292128
2018-10-11

Liquid natural gas liquefier utilizing mechanical and liquid nitrogen refrigeration

#59
20180266760
2018-09-20

Ethane recovery or ethane rejection operation

#60
20180266756
2018-09-20

Systems and methods for flexible propane recovery

#61
20180252468
2018-09-06

Method for natural gas liquefaction and filtration of solidified carbon dioxide

#62
20180224205
2018-08-09

Method for condensing a CO2 vapor stream beyond the frost point

#63
20180216880
2018-08-02

In-line L-grade recovery systems and methods

#64
20180209726
2018-07-26

Method and system for separating carbon dioxide from flue gas

#65
20180202690
2018-07-19

Refrigeration cycle for liquid oxygen densification

#66
20180100694
2018-04-12

Multiple pressure mixed refrigerant cooling process and system

#67
20180087832
2018-03-29

Mixed refrigerant cooling process and system

#68
20180080710
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#69
20180080709
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#70
20180080708
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#71
20180066889
2018-03-08

Pretreatment of natural gas prior to liquefaction

#72
20180031315
2018-02-01

Carbon Dioxide Capture from Flu Gas

#73
20180023889
2018-01-25

Heavy hydrocarbon removal system for lean natural gas liquefaction

#74
20180017319
2018-01-18

Heavy hydrocarbon removal from lean gas to LNG liquefaction

#75
20180003429
2018-01-04

Configurations and methods for small scale LNG production

#76
20170370641
2017-12-28

SYSTEMS AND METHODS FOR REMOVAL OF NITROGEN FROM LNG

#77
20170370640
2017-12-28

Reducing refrigeration and dehydration load for a feed stream entering a cryogenic distillation process

#78
20170307291
2017-10-26

Low pressure ethane liquefaction and purification from a high pressure liquid ethane source

#79
20170284736
2017-10-05

System, apparatus and methods for a superduct based on a thermally reactive nosecone

#80
20170261257
2017-09-14

HEAT PUMP ON C2 SPLITTER BOTTOM TO UNLOAD PROPYLENE REFRIGERATION

#81
20170241707
2017-08-24

Method for the capture of carbon dioxide through cryogenically processing gaseous emissions from fossil-fuel power generation

#82
20170234612
2017-08-17

Treatment of nitrogen-rich natural gas streams

#83
20170227283
2017-08-10

Gas liquefaction systems and methods

#84
20170191751
2017-07-06

Hydrocarbon gas processing

#85
20170191748
2017-07-06

Hydrocarbon condensate stabilizer and a method for producing a stabilized hydrocarbon condensate stream

#86
20170122658
2017-05-04

Enhanced low temperature separation process

#87
20170114960
2017-04-27

LIQUEFIED GAS TREATMENT SYSTEM

#88
20170081186
2017-03-23

Treatment method for separating carbon dioxide and hydrogen from a mixture

#89
20170074583
2017-03-16

Method and system to control the methane mass flow rate for the production of liquefied methane gas (LMG)

#90
20170051971
2017-02-23

Distillation column system and plant for production of oxygen by cryogenic fractionation of air

#91
20170051970
2017-02-23

Ethane recovery and ethane rejection methods and configurations

#92
20170045290
2017-02-16

Helium recovery from streams containing helium, carbon dioxide, and at least one of nitrogen and methane

#93
20170038139
2017-02-09

METHOD FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS

#94
20170038138
2017-02-09

APPARATUS FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS

#95
20170038135
2017-02-09

METHOD FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS AND LIQUID NITROGEN

#96
20170038134
2017-02-09

METHOD FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS

#97
20170038132
2017-02-09

Methods and systems for integration of industrial site efficiency losses to produce LNG and/or LIN

#98
20170030633
2017-02-02

SYSTEM AND METHOD FOR LIQUEFACATION OF NATURAL GAS

#99
20170023293
2017-01-26

Configurations and methods for nitrogen rejection, LNG and NGL production from high nitrogen feed gases

#100
20170010041
2017-01-12

Systems and methods for the production of liquefied nitrogen using liquefied natural gas

#101
20170003072
2017-01-05

Systems and methods for using multiple cryogenic hydraulic turbines

#102
20160377341
2016-12-29

HYDROCARBON GAS PROCESSING FEATURING A COMPRESSED REFLUX STREAM FORMED BY COMBINING A PORTION OF COLUMN RESIDUE GAS WITH A DISTILLATION VAPOR STREAM WITHDRAWN FROM THE SIDE OF THE COLUMN

#103
20160377340
2016-12-29

Liquefaction system using a turboexpander

#104
20160370110
2016-12-22

Purge to intermediate pressure in cryogenic distillation

#105
20160327336
2016-11-10

Preparing hydrocarbon streams for storage

#106
20160327333
2016-11-10

METHOD AND DEVICE FOR THE LIQUEFACTION OF A GASEOUS CO2 STREAM

#107
20160305709
2016-10-20

Liquefied gas treatment system

#108
20160245584
2016-08-25

Method for denitrogenation of natural gas with or without helium recovery

#109
20150345858
2015-12-03

Method to produce LNG at gas pressure letdown stations in natural gas transmission pipeline systems

#110
20150219392
2015-08-06

Method of producing and distributing liquid natural gas

#111
20150184931
2015-07-02

Systems and methods for flexible propane recovery

#112
20150135767
2015-05-21

Systems and methods for hydrocarbon refrigeration with a mixed refrigerant cycle

#113
20150114033
2015-04-30

Purification of carbon dioxide

#114
20150013380
2015-01-15

Method for separating off acid gases from natural gas

#115
20140283938
2014-09-25

Three-way integrated Joule-Thomson valve and liquefied gas expander

#116
20140283549
2014-09-25

Method of gas expansion using liquefied gas expander and integrated Joule-Thomson valve

#117
20130259782
2013-10-03

Method and device for producing a fluid enriched with carbon dioxide from a waste gas of a ferrous-metallurgy unit

#118
20130192296
2013-08-01

Refining system and method for refining a feed gas stream

#119
20130180282
2013-07-18

Simplified LNG process

#120
20130091893
2013-04-18

GAS LIQUEFACTION APPARATUS

#121
20130035534
2013-02-07

METHOD AND AN APPARATUS FOR NGL/GPL RECOVERY FROM A HYDROCARBON GAS, IN PARTICULAR FROM NATURAL GAS

#122
20130019612
2013-01-24

Method and apparatus for recovering from a pressurized gas a liquid fraction, in particular hydrocarbons having two or more carbon atoms

#123
20130000349
2013-01-03

APPARATUS AND METHODS FOR THE RECOVERY OF HYDROCARBONACEOUS AND ADDITIONAL PRODUCTS FROM OIL SHALE AND SANDS VIA MULTI-STAGE CONDENSATION

#124
20120096895
2012-04-26

Process for separating and recovering NGLs from hydrocarbon streams

#125
20120090467
2012-04-19

Separation system comprising a swirl valve

#126
20120079852
2012-04-05

Systems and Methods for Removing Heavy Hydrocarbons and Acid Gases From a Hydrocarbon Gas Stream

#127
20120047943
2012-03-01

Process for natural gas liquefaction

#128
20120036890
2012-02-16

NITROGEN REJECTION METHODS AND SYSTEMS

#129
20120031144
2012-02-09

Cryogenic system for removing acid gases from a hydrocarbon gas stream, and method of removing acid gases

#130
20120031143
2012-02-09

PROCESS AND APPARTUS FOR REMOVING GASEOUS CONTAMINANTS FROM GAS STREAM COMPRISING GASEOUS CONTAMINANTS

#131
20120006055
2012-01-12

PROCESS AND APPARATUS FOR SEPARATING A GASEOUS PRODUCT FROM A FEED STREAM COMPRISING CONTAMINANTS

#132
20110239701
2011-10-06

METHOD OF REJECTING NITROGEN FROM A HYDROCARBON STREAM TO PROVIDE A FUEL GAS STREAM AND AN APPARATUS THEREFOR

#133
20110226010
2011-09-22

CARBON DIOXIDE CAPTURE FROM FLUE GAS

#134
20110167869
2011-07-14

Process and apparatus for removing gaseous contaminants from gas stream comprising gaseous contaminants

#135
20110067443
2011-03-24

Hydrocarbon Gas Processing

#136
20110067442
2011-03-24

Hydrocarbon gas processing featuring a compressed reflux stream formed by combining a portion of column residue gas with a distillation vapor stream withdrawn from the side of the column

#137
20110067441
2011-03-24

Hydrocarbon Gas Processing

#138
20110056239
2011-03-10

Method and device for cryogenically separating a mixture of hydrogen and carbon monoxide

#139
20110023540
2011-02-03

Method and device for low-temperature air separation

#140
20100326134
2010-12-30

Hydrocarbon gas processing including a single equipment item processing assembly

#141
20100313598
2010-12-16

Separation of a Fluid Mixture Using Self-Cooling of the Mixture

#142
20100300144
2010-12-02

Liquefied gas expander and integrated Joule-Thomson valve

#143
20100258476
2010-10-14

Apparatus for the recovery of hydrocarbonaceous and additional products from oil shale and sands via multi-stage condensation

#144
20100147022
2010-06-17

PROCESS AND APPARATUS FOR REMOVAL OF SOUR SPECIES FROM A NATURAL GAS STREAM

#145
20100140510
2010-06-10

METHOD AND DEVICE FOR COOLING A GAS

#146
20100126215
2010-05-27

Method For Cooling A Cryogenic Exchange Line

#147
20100126214
2010-05-27

Process for the production of a subcooled liquefied natural gas stream from a natural gas feed stream, and associated installation

#148
20100071411
2010-03-25

Method and device for separating a mixture of at least hydrogen, nitrogen, and carbon monoxide by cryogenic distillation

#149
20100043488
2010-02-25

NGL recovery methods and configurations

#150
20100024471
2010-02-04

Method and system for extracting carbon dioxide by anti-sublimation at raised pressure

#151
20100018248
2010-01-28

Controlled Freeze Zone Tower

#152
20090308101
2009-12-17

Propane recovery methods and configurations

#153
20090293539
2009-12-03

Method And Apparatus For Producing Carbon Monoxide By Cryogenic Distillation

#154
20090293538
2009-12-03

NATURAL GAS LIQUEFACTION

#155
20090293537
2009-12-03

NGL Extraction From Natural Gas

#156
20090266107
2009-10-29

Integrated controlled freeze zone (CFZ) tower and dividing wall (DWC) for enhanced hydrocarbon recovery

#157
20090120127
2009-05-14

METHOD FOR PRODUCING LIQUEFIED NATURAL GAS

#158
20090084132
2009-04-02

METHOD FOR PRODUCING LIQUEFIED NATURAL GAS

#159
20090031754
2009-02-05

METHOD AND APPARATUS TO IMPROVE OVERALL EFFICIENCY OF LNG LIQUEFACTION SYSTEMS

#160
20080314079
2008-12-25

Nitrogen Rejection Column Reboiler Configuration

#161
20080307827
2008-12-18

METHOD OF REFINING NATURAL GAS AND NATURAL GAS REFINING SYSTEM

#162
20080282731
2008-11-20

Liquefied natural gas processing

#163
20080196587
2008-08-21

COseparation apparatus and process for oxy-combustion coal power plants

#164
20080196585
2008-08-21

Process for vaporizing the product COat two different pressures during COseparation

#165
20080196584
2008-08-21

Process for feed gas cooling in reboiler during COseparation

#166
20080196583
2008-08-21

PROCESS FOR RECYCLING OF TOP GAS DURING CO2 SEPARTION

#167
20080173363
2008-07-24

Throttling valve and method for enlarging liquid droplet sizes in the throttled fluid stream

#168
20080098770
2008-05-01

INTERMEDIATE PRESSURE LNG REFLUXED NGL RECOVERY PROCESS

#169
20080028790
2008-02-07

Natural gas liquefaction

#170
20070232706
2007-10-04

Carbon dioxide production method

#171
20070204650
2007-09-06

Self-contained distillation purifier/superheater for liquid-fill product container and delivery systems

#172
20070157662
2007-07-12

Method and apparatus for producing products from natural gas including helium and liquefied natural gas

#173
20070113584
2007-05-24

Optimized LNG system with liquid expander

#174
20060239879
2006-10-26

Acid gas pretreating method

#175
20050284176
2005-12-29

LNG system employing refluxed heavies removal column with overhead condensing

#176
20050268649
2005-12-08

Natural gas liquefaction

#177
20050072186
2005-04-07

Process and device for production of LNG by removal of freezable solids

#178
18436588
2025-02-18

Fuel gas conditioning units for natural gas systems

#179
15367804
2020-09-29

Modular, mobile and scalable LNG plant