ClassID:

160443

F25J2230/08 - CPC Classification

Classification description:

Processes or apparatus involving steps for increasing the pressure of gaseous process streams Cold compressor, i.e. suction of the gas at cryogenic temperature and generally without afterstage-cooler

Recent Application in this class:
#1
20250207732
2025-06-26

SYSTEM FOR TRANSFORMING A PRODUCT

#2
20240384926
2024-11-21

FACILITY AND METHOD FOR THE LIQUEFACTION OF HYDROGEN

#3
20240151464
2024-05-09

DEVICE AND METHOD FOR LIQUEFYING A FLUID SUCH AS HYDROGEN AND/OR HELIUM

#4
20240142170
2024-05-02

DEVICE AND METHOD FOR LIQUEFYING A FLUID SUCH AS HYDROGEN AND/OR HELIUM

#5
20240125547
2024-04-18

DEVICE AND METHOD FOR LIQUEFYING A FLUID SUCH AS HYDROGEN AND/OR HELIUM

#6
20230408192
2023-12-21

POWER GENERATION PROCESS UTILIZING FUEL, LIQUID AIR AND/OR OXYGEN WITH ZERO CO2 EMISSIONS

#7
20230324115
2023-10-12

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#8
20230304732
2023-09-28

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#9
20230168031
2023-06-01

Systems For Extracting Oxygen From A Fluid

#10
20230160633
2023-05-25

Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent Vapor Stream

#11
20230050081
2023-02-16

Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent Vapor Stream

#12
20220404094
2022-12-22

SYSTEM AND M ETHOD FOR SUPPLYING CRYOGENIC REFRIGERATION

#13
20220373254
2022-11-24

Mixed refrigerant system and method

#14
20220252343
2022-08-11

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

#15
20220196004
2022-06-23

GAS HANDLING SYSTEM AND METHOD FOR EFFICIENTLY MANAGING CHANGES IN GASEOUS CONDITIONS

#16
20220196003
2022-06-23

GAS HANDLING SYSTEM AND METHOD FOR EFFICIENTLY MANAGING CHANGES IN GASEOUS CONDITIONS

#17
20220074657
2022-03-10

Method for starting up a cryogenic air separation unit and associated air separation unit

#18
20220018597
2022-01-20

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#19
20210364229
2021-11-25

Systems and Methods of Removing Contaminants in a Liquid Nitrogen Stream Used to Liquefy Natural Gas

#20
20210348838
2021-11-11

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

#21
20210341224
2021-11-04

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#22
20210231368
2021-07-29

Systems for extracting oxygen from a fluid

#23
20210190420
2021-06-24

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#24
20210156303
2021-05-27

Cryogenic liquefier by integration with power plant

#25
20210130261
2021-05-06

Ethylene-to-liquids systems and methods

#26
20210088278
2021-03-25

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#27
20200263922
2020-08-20

Processes for recovering LPG from a reforming-zone effluent

#28
20200248962
2020-08-06

Mixed refrigerant system and method

#29
20200232703
2020-07-23

System and method for removing freezing components from a feed gas

#30
20200208910
2020-07-02

Apparatus for liquefying natural gas and method for liquefying natural gas

#31
20200207685
2020-07-02

Ethylene-to-liquids systems and methods

#32
20200103166
2020-04-02

NITROGEN RECOVERY APPARATUS AND METHOD OF RECOVERING NITROGEN

#33
20200088465
2020-03-19

Helium Extraction from Natural Gas

#34
20200080771
2020-03-12

Containerised LNG liquefaction unit and associated method of producing LNG

#35
20200003488
2020-01-02

DEVICE AND METHOD FOR LIQUEFYING A NATURAL GAS AND SHIP COMPRISING SUCH A DEVICE

#36
20190204007
2019-07-04

System and method for removing freezing components from a feed gas

#37
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

#38
20190137172
2019-05-09

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#39
20190101329
2019-04-04

System for treating a gas deriving from the evaporation of a cryogenic liquid and supplying pressurized gas to a gas engine

#40
20190054992
2019-02-21

Cooling of a vaporized content of a liquefied gas for the purpose of powering machinery, plants or vehicles

#41
20190049177
2019-02-14

Apparatus and method for separation of air by cryogenic distillation

#42
20190003425
2019-01-03

System for supplying compressed gas to several gas-fed devices

#43
20180347899
2018-12-06

Hydrocarbon gas processing

#44
20180347898
2018-12-06

Hydrocarbon gas processing

#45
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

#46
20180328654
2018-11-15

METHODS FOR RECOVERING ALKENES AND NITROGEN FROM PROCESS GAS STREAMS

#47
20180320960
2018-11-08

REFLUX OF DEMETHENIZATION COLUMNS

#48
20180320957
2018-11-08

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

#49
20180313604
2018-11-01

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

#50
20180186632
2018-07-05

Method and system for obtaining hydrogen from a feed mixture which contains hydrogen and hydrocarbons

#51
20180080710
2018-03-22

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

#52
20180080709
2018-03-22

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

#53
20180051215
2018-02-22

Method for removing nitrogen from a hydrocarbon-rich fraction

#54
20180016977
2018-01-18

Methods and systems for treating fuel gas

#55
20180003430
2018-01-04

Mixed refrigerant liquefaction system and method

#56
20170363351
2017-12-21

METHOD AND APPARATUS FOR SEPARATING A FEED GAS CONTAINING AT LEAST 20 MOL % OF CO2 AND AT LEAST 20 MOL % OF METHANE, BY PARTIAL CONDENSATION AND/OR BY DISTILLATION

#57
20170284737
2017-10-05

Integrated nitrogen removal in the production of liquefied natural gas using intermediate feed gas separation

#58
20170260114
2017-09-14

ETHYLENE-TO-LIQUIDS SYSTEMS AND METHODS

#59
20170241709
2017-08-24

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

#60
20170241708
2017-08-24

Systems for extracting oxygen from a liquid

#61
20170234613
2017-08-17

Methods and apparatuses for reforming of hydrocarbons including recovery of products using an absorption zone

#62
20170205142
2017-07-20

Method for obtaining an air product in an air separation plant and air separation plant

#63
20170176099
2017-06-22

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

#64
20170160008
2017-06-08

SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GAS

#65
20170030634
2017-02-02

Using methane rejection to process a natural gas stream

#66
20170023293
2017-01-26

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

#67
20170016668
2017-01-19

Increasing efficiency in an LNG production system by pre-cooling a natural gas feed stream

#68
20170010043
2017-01-12

Mixed refrigerant system and method

#69
20170010041
2017-01-12

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

#70
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

#71
20160377340
2016-12-29

Liquefaction system using a turboexpander

#72
20160327334
2016-11-10

SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GAS

#73
20160313057
2016-10-27

Integrated methane refrigeration system for liquefying natural gas

#74
20160313056
2016-10-27

SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GAS

#75
20160298898
2016-10-13

Mixed refrigerant liquefaction system and method

#76
20160245584
2016-08-25

Method for denitrogenation of natural gas with or without helium recovery

#77
20160231053
2016-08-11

Process and apparatus for producing gaseous oxygen by cryogenic distillation of air

#78
20150330574
2015-11-19

Method and apparatus for reliquefying natural gas

#79
20150308738
2015-10-29

Integrated nitrogen removal in the production of liquefied natural gas using refrigerated heat pump

#80
20150308736
2015-10-29

Integrated nitrogen removal in the production of liquefied natural gas using dedicated reinjection circuit

#81
20150253074
2015-09-10

Hydrocarbon gas processing

#82
20150233633
2015-08-20

LNG recovery from syngas using a mixed refrigerant

#83
20150232395
2015-08-20

Ethylene-to-liquids systems and methods

#84
20150135767
2015-05-21

Systems and methods for hydrocarbon refrigeration with a mixed refrigerant cycle

#85
20140260422
2014-09-18

Low temperature air separation process for producing pressurized gaseous product

#86
20140102298
2014-04-17

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

#87
20140075943
2014-03-20

Method for operating fuel supply system for marine structure having reliquefaction apparatus and high-pressure natural gas injection engine

#88
20130192296
2013-08-01

Refining system and method for refining a feed gas stream

#89
20130084794
2013-04-04

SYSTEMS AND METHODS FOR PROVIDING UTILITIES AND CARBON DIOXIDE

#90
20130061633
2013-03-14

CONFIGURATIONS AND METHODS OF INTEGRATED NGL RECOVERY AND LNG LIQUEFACTION

#91
20130055891
2013-03-07

Method and equipment for treating CO-rich smoke

#92
20130035534
2013-02-07

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

#93
20130025294
2013-01-31

SYSTEM AND METHOD FOR CARBON DIOXIDE REMOVAL

#94
20120216520
2012-08-30

Energy storage system using supercritical air

#95
20120151962
2012-06-21

Ethylene Recovery From Off-Gas

#96
20120144861
2012-06-14

Process and installation for producing high-pressure nitrogen

#97
20120118006
2012-05-17

Method and apparatus for separating air by cryogenic distillation

#98
20120096896
2012-04-26

Process for separating and recovering ethane and heavier hydrocarbons from LNG

#99
20120042690
2012-02-23

LNG facility with integrated NGL recovery for enhanced liquid recovery and product flexibility

#100
20120017639
2012-01-26

METHODS AND SYSTEMS FOR STORING AND TRANSPORTING GASES

#101
20120000246
2012-01-05

Liquefied natural gas and hydrocarbon gas processing

#102
20110302955
2011-12-15

Method For Trapping CO2 By Solid Cryocondensation In A Turbine

#103
20110296868
2011-12-08

CO2 Recovery Method Using Cryo-Condensation

#104
20110296867
2011-12-08

Hydrocabon gas processing

#105
20110265494
2011-11-03

Production of Liquefied Natural Gas

#106
20110252827
2011-10-20

CO2 Recovery And Cold Water Production Method

#107
20110247360
2011-10-13

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

#108
20110239700
2011-10-06

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

#109
20110232327
2011-09-29

Method for Processing Off Gas

#110
20110067443
2011-03-24

Hydrocarbon Gas Processing

#111
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

#112
20110067441
2011-03-24

Hydrocarbon Gas Processing

#113
20110067439
2011-03-24

METHOD AND SYSTEM FOR PRODUCTION OF LIQUID NATURAL GAS

#114
20110056237
2011-03-10

Method and apparatus for liquefying a hydrocarbon stream

#115
20100287985
2010-11-18

Liquefied Natural Gas And Hydrocarbon Gas Processing

#116
20100287982
2010-11-18

Liquefied Natural Gas and Hydrocarbon Gas Processing

#117
20100275646
2010-11-04

Method of Separating Off Nitrogen from Liquefied Natural Gas

#118
20100263532
2010-10-21

Dry natural gas liquefaction method

#119
20100251763
2010-10-07

Apparatus and Methods for Natural Gas Transportation and Processing

#120
20100218551
2010-09-02

Method for utilization of lean boil-off gas stream as a refrigerant source

#121
20100212329
2010-08-26

BOIL-OFF GAS TREATMENT PROCESS AND SYSTEM

#122
20100186447
2010-07-29

METHOD AND APPARATUS FOR CONTROLLING THE TURNDOWN OF A COMPRESSOR FOR A GASEOUS HYDROCARBON STREAM

#123
20100175425
2010-07-15

METHODS AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS AND PRODUCTS THEREFROM

#124
20100175424
2010-07-15

METHODS AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS AND PRODUCTS THEREFROM

#125
20100175423
2010-07-15

METHODS AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS AND PRODUCTS THEREFROM

#126
20100139316
2010-06-10

Operating system of liquefied natural gas ship for subcooling and liquefying boil-off gas

#127
20100126186
2010-05-27

METHOD AND APPARATUS FOR GENERATING A GASEOUS HYDROCARBON STREAM FROM A LIQUEFIED HYDROCARBON STREAM

#128
20100122551
2010-05-20

Liquefaction method and system

#129
20100122542
2010-05-20

METHOD AND APPARATUS FOR ADJUSTING HEATING VALUE OF NATURAL GAS

#130
20100107686
2010-05-06

METHOD AND APPARATUS FOR SEPARATING ONE OR MORE C2+ HYDROCARBONS FROM A MIXED PHASE HYDROCARBON STREAM

#131
20100050688
2010-03-04

NGL Extraction from Liquefied Natural Gas

#132
20100024471
2010-02-04

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

#133
20100011810
2010-01-21

NGL Recovery Methods and Configurations

#134
20100000253
2010-01-07

METHOD AND APPARATUS FOR THE RELIQUEFACTION OF A VAPOUR

#135
20090293538
2009-12-03

NATURAL GAS LIQUEFACTION

#136
20090282865
2009-11-19

Liquefied Natural Gas and Hydrocarbon Gas Processing

#137
20090277219
2009-11-12

Configurations and methods for offshore LNG regasification and BTU control

#138
20090255294
2009-10-15

Method and apparatus for liquefying a hydrocarbon stream

#139
20090229276
2009-09-17

METHOD AND SYSTEM FOR THE REGASIFICATION OF LNG

#140
20090217701
2009-09-03

Natural Gas Liquefaction Process for Ling

#141
20090211263
2009-08-27

Apparatus and method for regasification of liquefied natural gas

#142
20090158774
2009-06-25

Equipment and process for liquefaction of LNG boiloff gas

#143
20090158773
2009-06-25

Equipment and process for liquefaction of LNG boiloff gas

#144
20090107174
2009-04-30

Method and apparatus for liquefying a hydrocarbon stream

#145
20090100844
2009-04-23

Apparatus and method for controlling temperature in a boil-off gas

#146
20090056371
2009-03-05

Method and Apparatus for Deriching a Stream of Liquefied Natural Gas

#147
20090013868
2009-01-15

PROCESS AND APPARATUS FOR THE SEPARATION OF A GASEOUS MIXTURE

#148
20090013717
2009-01-15

Process and apparatus for the separation of a gaseous mixture

#149
20090007595
2009-01-08

Low temperature air separation process for producing pressurized gaseous product

#150
20080282731
2008-11-20

Liquefied natural gas processing

#151
20080271480
2008-11-06

Intergrated Ngl Recovery and Lng Liquefaction

#152
20080223075
2008-09-18

Process and Apparatus for the Separation of Air by Cryogenic Distillation

#153
20080216512
2008-09-11

Air separation process utilizing refrigeration extracted from LNG for production of liquid oxygen

#154
20080202161
2008-08-28

METHOD FOR ADJUSTING HEATING VALUE OF LNG

#155
20080202158
2008-08-28

System And Method For Cooling A Bog Stream

#156
20080190136
2008-08-14

Hydrocarbon gas processing

#157
20080141712
2008-06-19

Integrated olefin recovery process

#158
20080120993
2008-05-29

Operating system of liquefied natural gas ship for sub-cooling and liquefying boil-off gas

#159
20080098770
2008-05-01

INTERMEDIATE PRESSURE LNG REFLUXED NGL RECOVERY PROCESS

#160
20080087041
2008-04-17

Method of extracting ethane from liquefied natural gas

#161
20080083246
2008-04-10

Gas conditioning method and apparatus for the recovery of LPG/NGL(C2+) from LNG

#162
20080078205
2008-04-03

Hydrocarbon Gas Processing

#163
20080028790
2008-02-07

Natural gas liquefaction

#164
20080022717
2008-01-31

PROCESS AND APPARATUS FOR SEPARATION OF HYDROCARBONS FROM LIQUEFIED NATURAL GAS

#165
20080000436
2008-01-03

LOW EMISSION ENERGY SOURCE

#166
20080000266
2008-01-03

System to increase capacity of LNG-based liquefier in air separation process

#167
20080000265
2008-01-03

Liquefied natural gas processing

#168
20070256450
2007-11-08

Equipment and process for liquefaction of LNG boiloff gas

#169
20070251266
2007-11-01

Cryogenic liquefying/refrigerating method and system

#170
20070240450
2007-10-18

Flexible NGL process and methods

#171
20070227186
2007-10-04

Systems and methods for low-temperature gas separation

#172
20070157663
2007-07-12

Configurations and methods of integrated NGL recovery and LNG liquefaction

#173
20070149838
2007-06-28

Method for adjusting the high heating value of gas in the LNG chain

#174
20070101732
2007-05-10

Power cycle with liquefied natural gas regasification

#175
20070062216
2007-03-22

Liquefied natural gas regasification configuration and method

#176
20070056318
2007-03-15

Enhanced heavies removal/LPG recovery process for LNG facilities

#177
20070012072
2007-01-18

LNG FACILITY WITH INTEGRATED NGL EXTRACTION TECHNOLOGY FOR ENHANCED NGL RECOVERY AND PRODUCT FLEXIBILITY

#178
20060283207
2006-12-21

Hydrocarbon gas processing

#179
20060277943
2006-12-14

Process and apparatus for separation of hydrocarbons from liquefied natural gas

#180
20060260356
2006-11-23

Liquid natural gas processing

#181
20060156758
2006-07-20

Operating system of liquefied natural gas ship for sub-cooling and liquefying boil-off gas

#182
20060131218
2006-06-22

Method for recovery of natural gas liquids for liquefied natural gas

#183
20060130521
2006-06-22

Method for recovery of natural gas liquids for liquefied natural gas

#184
20060130520
2006-06-22

Method for recovery of natural gas liquids for liquefied natural gas

#185
20060042312
2006-03-02

Process for extracting ethane and heavier hydrocarbons from LNG

#186
20060010912
2006-01-19

Low temperature air separation process for producing pressurized gaseous product

#187
20060000234
2006-01-05

Liquefied natural gas processing

#188
20050268649
2005-12-08

Natural gas liquefaction

#189
20050247078
2005-11-10

Natural gas liquefaction

#190
20050218041
2005-10-06

Process and apparatus for separation of hydrocarbons from liquefied natural gas

#191
20050155382
2005-07-21

Process and apparatus for separation of hydrocarbons

#192
20050113468
2005-05-26

Natural gas liquefaction and conversion method

#193
20050092594
2005-05-05

Membrane/distillation method and system for extracting CO2 from hydrocarbon gas

#194
20050066686
2005-03-31

Liquefied natural gas processing

#195
20050005636
2005-01-13

Cryogenic liquid natural gas recovery process