ClassID:

160516

F25J2270/04 - CPC Classification

Classification description:

Refrigeration techniques used Internal refrigeration with work-producing gas expansion loop

Sub-classes:
Recent Application in this class:
#1
20260139898
2026-05-21

SIDE DRAW REFLUX HEAVY HYDROCARBON REMOVAL SYSTEM AND METHOD

#2
20260029192
2026-01-29

COOLING FACILITY AND METHOD

#3
20240393039
2024-11-28

SYSTEM AND PROCESS FOR NATURAL GAS LIQUEFACTION

#4
20240377127
2024-11-14

Cryogenic Gas Cooling System and Method

#5
20240019206
2024-01-18

CRYOGENIC PROCESS FOR RECOVERING VALUABLE COMPONENTS FROM A HYDROGEN-RICH FEED GAS

#6
20230408188
2023-12-21

LIQUID NITROGEN ENERGY STORAGE SYSTEM

#7
20220252343
2022-08-11

PROCESS AND APPARATUS FOR HEAVY HYDROCARBON REMOVAL FROM LEAN NATURAL GAS BEFORE LIQUEFACTION

#8
20220128301
2022-04-28

METHOD AND APPARATUS FOR PRODUCING HIGH-PRESSURE NITROGEN

#9
20220128299
2022-04-28

Liquefaction of production gas

#10
20210372698
2021-12-02

ENHANCEMENTS TO A DUAL COLUMN NITROGEN PRODUCING CRYOGENIC AIR SEPARATION UNIT

#11
20210254891
2021-08-19

METHOD FOR AN IMPROVED PARTIAL CONDENSATION CARBON MONOXIDE COLD BOX OPERATION

#12
20210130264
2021-05-06

Method and system for obtaining one or more olefins

#13
20210130261
2021-05-06

Ethylene-to-liquids systems and methods

#14
20210080174
2021-03-18

METHOD OF COOLING A NATURAL GAS FEED STREAM AND RECOVERING A NATURAL GAS LIQUID STREAM FROM THE NATURAL GAS FEED STREAM

#15
20210063083
2021-03-04

Liquefaction of Production Gas

#16
20200386090
2020-12-10

Method to recover and process methane and condensates from flare gas systems

#17
20200385641
2020-12-10

METHOD AND SYSTEM FOR TREATING A FLOW BACK FLUID EXITING A WELL SITE

#18
20200378680
2020-12-03

Gas separation system with auto-refrigeration and selective recycle for carbon dioxide capture and compression

#19
20200284507
2020-09-10

Methods for providing refrigeration in natural gas liquids recovery plants

#20
20200207685
2020-07-02

Ethylene-to-liquids systems and methods

#21
20200080773
2020-03-12

CRYOGENIC AIR SEPARATION UNIT WITH FLEXIBLE LIQUID PRODUCT MAKE

#22
20190368810
2019-12-05

Method and installation for cryogenic separation of a gaseous mixture by methane scrubbing

#23
20190128601
2019-05-02

Process and plant for the combination production of a mixture of hydrogen and nitrogen and also of carbon monoxide by cryogenic distillation and cryogenic scrubbing

#24
20190118134
2019-04-25

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

#25
20190049176
2019-02-14

METHODS FOR PROVIDING REFRIGERATION IN NATURAL GAS LIQUIDS RECOVERY PLANTS

#26
20190046921
2019-02-14

Method of preparing natural gas at a gas pressure reduction stations to produce liquid natural gas (LNG)

#27
20190041128
2019-02-07

Recovery Of Helium From Nitrogen-Rich Streams

#28
20190041124
2019-02-07

Integrated expander-motor compressor

#29
20190003766
2019-01-03

System and method for rare gas recovery

#30
20180356152
2018-12-13

System and method for enhanced argon recovery from a feed stream comprising hydrogen, methane, nitrogen and argon

#31
20180347901
2018-12-06

Method of liquefying a CO2 contaminated hydrocarbon-containing gas stream

#32
20180265795
2018-09-20

Method of preparing natural gas to produce liquid natural gas (LNG)

#33
20180251373
2018-09-06

Method and apparatus for producing a mixture of carbon monoxide and hydrogen

#34
20180209729
2018-07-26

Circulating fluidized bed connected to a desublimating heat exchanger

#35
20180202713
2018-07-19

Method and system for cooling and separating a hydrocarbon stream

#36
20180202610
2018-07-19

Process for expansion and storage of a flow of liquefied natural gas from a natural gas liquefaction plant, and associated plant

#37
20180187971
2018-07-05

Method for thermally assisted electric energy storage

#38
20180180356
2018-06-28

Simplified method for producing a methane-rich stream and a C2+ hydrocarbon-rich fraction from a feed natural-gas stream, and associated facility

#39
20180142950
2018-05-24

LNG integration with cryogenic unit

#40
20180058757
2018-03-01

Process and apparatus for producing carbon monoxide

#41
20180038644
2018-02-08

Method for liquefaction of industrial gas by integration of methanol plant and air separation unit

#42
20180038643
2018-02-08

Method for the integration of liquefied natural gas and syngas production

#43
20180038642
2018-02-08

PROCESS INTEGRATION OF A GAS PROCESSING UNIT WITH LIQUEFACTION UNIT

#44
20180038641
2018-02-08

Method for liquefaction of industrial gas by integration of methanol plant and air separation unit

#45
20180038638
2018-02-08

Integration of industrial gas site with liquid hydrogen production

#46
20180031315
2018-02-01

Carbon Dioxide Capture from Flu Gas

#47
20180023888
2018-01-25

METHOD FOR RECOVERING HELIUM

#48
20170268820
2017-09-21

System and method for argon recovery from a feed stream comprising hydrogen, methane, nitrogen and argon

#49
20170260114
2017-09-14

ETHYLENE-TO-LIQUIDS SYSTEMS AND METHODS

#50
20170248364
2017-08-31

Process for increasing ethylene and propylene yield from a propylene plant

#51
20170241709
2017-08-24

Method of removing carbon dioxide during liquid natural gas production from natural gas at gas pressure letdown stations

#52
20170234612
2017-08-17

Treatment of nitrogen-rich natural gas streams

#53
20170227283
2017-08-10

Gas liquefaction systems and methods

#54
20170176099
2017-06-22

PROCESS AND APPARATUS FOR HEAVY HYDROCARBON REMOVAL FROM LEAN NATURAL GAS BEFORE LIQUEFACTION

#55
20170122661
2017-05-04

System and method for argon recovery from the tail gas of an ammonia production plant

#56
20160370109
2016-12-22

Method for producing a flow rich in methane and a flow rich in C2hydrocarbons, and associated installation

#57
20160363368
2016-12-15

Auto-refrigerated gas separation system for carbon dioxide capture and compression

#58
20160313058
2016-10-27

Process and apparatus for separating NOfrom a COand NO-containing fluid

#59
20160252298
2016-09-01

System and Method for the Production of Liquefied Natural Gas

#60
20160153710
2016-06-02

Cryogenic separation of synthesis gas

#61
20160003533
2016-01-07

Separation at sub-ambient temperature of a gaseous mixture containing carbon dioxide and a lighter contaminant

#62
20150362251
2015-12-17

Method for separating a feed gas in a column

#63
20150276309
2015-10-01

Process and apparatus for separating NOfrom a COand NO—containing fluid

#64
20150267131
2015-09-24

NOremoval method

#65
20150232395
2015-08-20

Ethylene-to-liquids systems and methods

#66
20150210936
2015-07-30

Method and system for treating a flow back fluid exiting a well site

#67
20140238075
2014-08-28

Method for producing a flow which is rich in methane and a cut which is rich in Chydrocarbons from a flow of feed natural gas and an associated installation

#68
20130340473
2013-12-26

Method for producing a C+ hydrocarbon-rich fraction and a methane- and ethane-rich stream from a hydrocarbon-rich feed stream, and related facility

#69
20130255311
2013-10-03

Simplified method for producing a methane-rich stream and a C hydrocarbon-rich fraction from a feed natural-gas stream, and associated facility

#70
20130167583
2013-07-04

Method and installation for liquefying flue gas from combustion installations

#71
20130152627
2013-06-20

Method to produce liquefied natural gas (LNG) at midstream natural gas liquids (NGLs) recovery plants

#72
20130081426
2013-04-04

LOW TEMPERATURE HEAT EXCHANGER SYSTEM AND METHOD

#73
20130025317
2013-01-31

Process for Removing Carbon Dioxide From a Gas Stream using Desublimation

#74
20120279254
2012-11-08

Method for cryogenically separating a mixture of nitrogen and carbon monoxide

#75
20120266630
2012-10-25

Method for fractionating a stream of cracked gas to obtain an ethylene-rich cut and a stream of fuel, and related installation

#76
20120255325
2012-10-11

Single-unit gas separation process having expanded, post-separation vent stream

#77
20120240619
2012-09-27

METHOD AND DEVICE FOR TREATING A CARBON-DIOXIDE-CONTAINING GAS FLOW, WHEREIN THE ENERGY OF THE VENT GAS (WORK AND COLD DUE TO EXPANSION) IS USED

#78
20120213676
2012-08-23

Process for the Production of Ammonia Synthesis Gas With Improved Cryogenic Purification

#79
20120180657
2012-07-19

METHOD FOR PRODUCING AT LEAST ONE GAS HAVING A LOW CO2 CONTENT AND AT LEAST ONE FLUID HAVING A HIGH CO2 CONTENT

#80
20120167620
2012-07-05

METHOD AND SYSTEM FOR SEPARATING CO2 FROM SYNTHESIS GAS OR FLUE GAS

#81
20120137728
2012-06-07

AUTO-REFRIGERATED GAS SEPARATION SYSTEM FOR CARBON DIOXIDE CAPTURE AND COMPRESSION

#82
20120137726
2012-06-07

NGL recovery from natural gas using a mixed refrigerant

#83
20120132072
2012-05-31

Methods and systems for separating condensable vapors from gases

#84
20120118010
2012-05-17

Separation of carbon dioxide and hydrogen

#85
20120103010
2012-05-03

System and method for producing LNG from contaminated gas streams

#86
20120090350
2012-04-19

Configurations and methods of heating value control in LNG liquefaction plant

#87
20120067081
2012-03-22

Process And Plant For Recovering Argon In A Separation Unit For A Purge Gas Used In The Synthesis Of Ammonia

#88
20120060528
2012-03-15

Gas treatment device

#89
20110302955
2011-12-15

Method For Trapping CO2 By Solid Cryocondensation In A Turbine

#90
20110296868
2011-12-08

CO2 Recovery Method Using Cryo-Condensation

#91
20110277500
2011-11-17

Nitrogen removal from natural gas

#92
20110257276
2011-10-20

Process and apparatus for the production of hydrocarbon compounds from methane

#93
20110252827
2011-10-20

CO2 Recovery And Cold Water Production Method

#94
20110226010
2011-09-22

CARBON DIOXIDE CAPTURE FROM FLUE GAS

#95
20110226009
2011-09-22

Process for producing liquid and gaseous nitrogen streams, a gaseous stream which is rich in helium and a denitrided stream of hydrocarbons and associated installation

#96
20110209498
2011-09-01

PROCESS FOR SEPARATING OFF NITROGEN

#97
20110167866
2011-07-14

SYSTEM AND METHOD FOR SEPARATING GASSES IN AN EXHAUST GAS

#98
20110138852
2011-06-16

Method of obtaining carbon dioxide from carbon dioxide-containing gas mixture

#99
20110041550
2011-02-24

PROCESS AND APPARATUS FOR THE SEPARATION OF LIGHT-BOILING COMPONENTS FROM HYDROCARBON MIXTURES

#100
20110005273
2011-01-13

Method for producing a flow rich in methane and a flow rich in C hydrocarbons, and associated installation

#101
20100263407
2010-10-21

Method for producing a flow which is rich in methane and a cut which is rich in C2+ hydrocarbons from a flow of feed natural gas and an associated installation

#102
20100251765
2010-10-07

Cryogenic Separation of Synthesis Gas

#103
20100217059
2010-08-26

Process for Recovering Ethylene From an Autothermal Cracking Reactor Effluent

#104
20100199718
2010-08-12

Storage enclosure, method and apparatus for producing carbon monoxide and/or hydrogen by means of cryogenic separation, including one such enclosure

#105
20100192626
2010-08-05

Method and apparatus for liquefying a gaseous hydrocarbon stream

#106
20100186446
2010-07-29

APPARATUS FOR THE LIQUEFACTION OF A GAS AND METHODS RELATING TO SAME

#107
20100186445
2010-07-29

Natural gas liquefaction processes with feed gas refrigerant cooling loops

#108
20100162755
2010-07-01

Method for nitrogen rejection and or helium recovery in an LNG liquefaction plant

#109
20100126215
2010-05-27

Method For Cooling A Cryogenic Exchange Line

#110
20100126187
2010-05-27

Configurations and methods for offshore LNG regasification and heating value conditioning

#111
20100126180
2010-05-27

SEPARATION OF CARBON DIOXIDE AND HYDROGEN

#112
20100107688
2010-05-06

Separation Method Using A Column With A Corrugated Cross Structure Packing For Separating A Gaseous Mixture

#113
20100071411
2010-03-25

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

#114
20100055021
2010-03-04

Method and system for producing carbon monoxide by cryogenic distillation

#115
20100051876
2010-03-04

PROCESS FOR THE PRODUCTION OF AMMONIA SYNTHESIS GAS WITH IMPROVED CRYOGENIC PURIFICATION

#116
20100043489
2010-02-25

Method for separating a mixture of carbon monoxide, methane, hydrogen and optionally nitrogen by cryogenic distillation

#117
20100037655
2010-02-18

Hydrogen Recovery From A Mixture Of Hydrogen and Hydrocarbons At Low Pressure And Of Low Hydrogen Content

#118
20100024471
2010-02-04

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

#119
20090314994
2009-12-24

Process for the production of syngas for ammonia synthesis

#120
20090277218
2009-11-12

Method and apparatus for liquefying a natural gas stream

#121
20090193846
2009-08-06

Recovery of Carbon Monoxide and Hydrogen From Hydrocarbon Streams

#122
20090188279
2009-07-30

METHOD AND APPARATUS FOR TREATING A HYDROCARBON STREAM

#123
20090113931
2009-05-07

Multiple reflux stream hydrocarbon recovery process

#124
20090113930
2009-05-07

Multiple reflux stream hydrocarbon recovery process

#125
20090112037
2009-04-30

Process for Recovering Ethylene From an Autothermal Cracking Reactor Effluent

#126
20090107175
2009-04-30

Multiple reflux stream hydrocarbon recovery process

#127
20090013718
2009-01-15

METHOD FOR THE SIMULTANEOUS RECOVERY OF A PURE HELIUM AND PURE NITROGEN FRACTION

#128
20080256977
2008-10-23

Hydrocarbon recovery and light product purity when processing gases with physical solvents

#129
20080245101
2008-10-09

Integrated Method and Installation for Cryogenic Adsorption and Separation for Producing Co2

#130
20080202161
2008-08-28

METHOD FOR ADJUSTING HEATING VALUE OF LNG

#131
20080134716
2008-06-12

Method for Separating Trace Components from a Nitrogen-Rich Stream

#132
20080096985
2008-04-24

Light ends recovery process for a GTL plant

#133
20080066493
2008-03-20

Treating Liquefied Natural Gas

#134
20080066492
2008-03-20

Treating Liquefied Natural Gas

#135
20080034789
2008-02-14

Integrated Acid Gas And Sour Gas Reinjection Process

#136
20080029381
2008-02-07

Distillation Installation Comprising Columns With Corrugated-Crossed Structured Packings And Method Of Increasing The Capacity Of A Distillation Installation

#137
20070245771
2007-10-25

Dual stage nitrogen rejection from liquefied natural gas

#138
20070227186
2007-10-04

Systems and methods for low-temperature gas separation

#139
20070186564
2007-08-16

Apparatus for cryogenic fluids having floating liquefaction unit and floating regasification unit connected by shuttle vessel, and cryogenic fluid methods

#140
20070151291
2007-07-05

Method and installation for producing carbon monoxide by cryogenic distillation

#141
20070107465
2007-05-17

APPARATUS FOR THE LIQUEFACTION OF GAS AND METHODS RELATING TO SAME

#142
20070095099
2007-05-03

Method for processing a stream of LNG obtained by means of cooling using a first refrigeration cycle and associated installation

#143
20070056319
2007-03-15

Process and installation for providing a fluid mixture containing at least 10% carbon monoxide

#144
20070017250
2007-01-25

Apparatus for the liquefaction of a gas and methods relating to same

#145
20060254311
2006-11-16

Process and installation for supplying gaseous carbon monoxide and/or a gaseous mixture containing at least 10% carbon monoxide

#146
20060230783
2006-10-19

Nitrogen rejection method and apparatus

#147
20060218939
2006-10-05

Apparatus for the liquefaction of natural gas and methods relating to same

#148
20060198781
2006-09-07

Process for synthesis gas production

#149
20060135840
2006-06-22

Recovery and purification of ethylene

#150
20060131218
2006-06-22

Method for recovery of natural gas liquids for liquefied natural gas

#151
20060130521
2006-06-22

Method for recovery of natural gas liquids for liquefied natural gas

#152
20060130520
2006-06-22

Method for recovery of natural gas liquids for liquefied natural gas

#153
20060074132
2006-04-06

Process and apparatus for the production of hydrocarbon compounds from methane

#154
20060010911
2006-01-19

Apparatus for cryogenic fluids having floating liquefaction unit and floating regasification unit connected by shuttle vessel, and cryogenic fluid methods

#155
20060010910
2006-01-19

Apparatus for cryogenic fluids having floating liquefaction unit and floating regasification unit connected by shuttle vessel, and cryogenic fluid methods

#156
20050229634
2005-10-20

Hydrocarbon gas processing for rich gas streams

#157
20050217314
2005-10-06

Apparatus and methods for processing hydrocarbons to produce liquified natural gas

#158
20050198998
2005-09-15

Refrigeration system

#159
20050113468
2005-05-26

Natural gas liquefaction and conversion method