ClassID:

160127

F25J1/0292 - CPC Classification

Classification description:

Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process; Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used; Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc. Refrigerant compression by cold or cryogenic suction of the refrigerant gas

Recent Application in this class:
#1
20260146788
2026-05-28

Compressor-Energized Refrigerant Isolation Valves

#2
20260126245
2026-05-07

SYSTEMS AND METHODS FOR ALIGNING SEQUENCES TO PERSONALIZED REFERENCES

#3
20260036361
2026-02-05

FACILITY AND METHOD FOR THE LIQUEFACTION OF HYDROGEN

#4
20240410647
2024-12-12

Dehydration Separation Unit with Mixed Refrigerant Cooling

#5
20240377127
2024-11-14

Cryogenic Gas Cooling System and Method

#6
20240295359
2024-09-05

Device and Method for Recovering Gas with Variable Low-Temperature

#7
20240288218
2024-08-29

METHOD FOR PRODUCTION AND SUPPLY OF A DENSIFIED LIQUID OXYGEN PRODUCT FOR SPACE VEHICLE APPLICATIONS

#8
20240288217
2024-08-29

SYSTEM AND METHOD FOR RELIQUEFYING BOIL-OFF GAS OF VESSEL

#9
20240255216
2024-08-01

METHOD AND PLANT FOR HYDROGEN LIQUEFACTION

#10
20240230221
2024-07-11

SYSTEM AND METHOD FOR CO-PRODUCTION OF A DENSIFIED LIQUID OXYGEN PRODUCT AND DENSIFIED LIQUID METHANE PRODUCT

#11
20240151464
2024-05-09

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

#12
20240142170
2024-05-02

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

#13
20240125547
2024-04-18

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

#14
20230392860
2023-12-07

COMPACT SYSTEM AND METHOD FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS

#15
20230332833
2023-10-19

Process for Producing Liquefied Hydrogen

#16
20230168029
2023-06-01

REFRIGERANT AND NITROGEN RECOVERY

#17
20230083389
2023-03-16

METHOD AND SYSTEM FOR PRODUCTION OPTIMIZATION

#18
20230016298
2023-01-19

METHOD AND APPARATUS FOR COOLING IN LIQUEFACTION PROCESS

#19
20230003447
2023-01-05

Heat exchanger having an arrangement of mixing devices improving the dispensing of a biphasic material

#20
20220390171
2022-12-08

System for transferring condensate

#21
20220373254
2022-11-24

Mixed refrigerant system and method

#22
20220316795
2022-10-06

Method for liquefying natural gas with improved injection of a mixed refrigerant stream

#23
20220290917
2022-09-15

Natural gas liquefying apparatus

#24
20220290916
2022-09-15

HEAT EXCHANGER SYSTEM AND METHOD

#25
20220228802
2022-07-21

Dehydrogenation separation unit with mixed refrigerant cooling

#26
20220155008
2022-05-19

Method and system for efficient nonsynchronous LNG production using large scale multi-shaft gas turbines

#27
20210278130
2021-09-09

METHOD AND APPARATUS FOR COOLING DOWN A CRYOGENIC HEAT EXCHANGER AND METHOD OF LIQUEFYING A HYDROCARBON STREAM

#28
20210148632
2021-05-20

Dehydrogenation separation unit with mixed refrigerant cooling

#29
20200333050
2020-10-22

Refrigeration cycle for liquid oxygen densification

#30
20200309450
2020-10-01

COMPACT LNG PRODUCTION TRAIN AND METHOD

#31
20200248962
2020-08-06

Mixed refrigerant system and method

#32
20200124344
2020-04-23

Systems and Methods for Liquefaction of a Gas by Hybrid Heat Exchange

#33
20190310015
2019-10-10

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

#34
20190271502
2019-09-05

Split refrigerant compressor for the liquefaction of natural gas

#35
20190264978
2019-08-29

System for treating and cooling a hydrocarbon stream

#36
20190242645
2019-08-08

Systems and methods for LNG production with propane and ethane recovery

#37
20190195555
2019-06-27

System and method for operating a liquefaction train

#38
20190128599
2019-05-02

Gas processing facility

#39
20190093947
2019-03-28

Multiple pressure mixed refrigerant cooling system

#40
20190093946
2019-03-28

Multiple pressure mixed refrigerant cooling process

#41
20190063825
2019-02-28

Method and system for LNG production using standardized multi-shaft gas turbines, compressors and refrigerant systems

#42
20190056175
2019-02-21

REFRIGERANT AND NITROGEN RECOVERY

#43
20190056174
2019-02-21

System for liquefying a gas

#44
20190049174
2019-02-14

METHOD AND SYSTEM FOR LIQUEFYING A NATURAL GAS FEED STREAM

#45
20180356149
2018-12-13

Controlling refrigerant compression power in a natural gas liquefaction process

#46
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

#47
20180335253
2018-11-22

Method and system for efficient nonsynchronous LNG production using large scale multi-shaft gas turbines

#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
20180313603
2018-11-01

APPARATUS AND METHOD FOR PRODUCING LIQUEFIED GAS

#51
20180245843
2018-08-30

SYSTEM AND METHOD FOR TREATING GAS RESULTING FROM THE EVAPORATION OF A CRYOGENIC LIQUID

#52
20180209728
2018-07-26

Compression train including one centrifugal compressor and LNG plant

#53
20180202690
2018-07-19

Refrigeration cycle for liquid oxygen densification

#54
20180128543
2018-05-10

Method and controller for controlling a continuous process

#55
20180100694
2018-04-12

Multiple pressure mixed refrigerant cooling process and system

#56
20180087832
2018-03-29

Mixed refrigerant cooling process and system

#57
20180058752
2018-03-01

Refrigerant recovery in natural gas liquefaction processes

#58
20180038643
2018-02-08

Method for the integration of liquefied natural gas and syngas production

#59
20180038640
2018-02-08

Plant for the liquefaction of nitrogen using the recovery of cold energy deriving from the evaporation of liquefied natural gas

#60
20170336136
2017-11-23

Liquefaction method and system

#61
20170268818
2017-09-21

System and Method for the Production of Liquefied Natural Gas

#62
20170191749
2017-07-06

Method for the production of liquefied natural gas

#63
20170160009
2017-06-08

Gas liquefaction plant

#64
20170160008
2017-06-08

SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GAS

#65
20170131026
2017-05-11

Method and system for producing a pressurized and at least partially condensed mixture of hydrocarbons

#66
20170122660
2017-05-04

De-superheater system and compression system employing such de-superheater system, and method of producing a pressurized and at least partially condensed mixture of hydrocarbons

#67
20170089637
2017-03-30

Parallel compression in LNG plants using a positive displacement compressor

#68
20170051968
2017-02-23

Integrated pre-cooled mixed refrigerant system and method

#69
20170038136
2017-02-09

METHOD FOR THE INTEGRATION OF A NITROGEN LIQUEFIER AND LIQUEFACTION OF NATURAL GAS FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS AND LIQUID NITROGEN

#70
20170038133
2017-02-09

METHOD FOR THE INTEGRATION OF A NITROGEN LIQUEFIER AND LETDOWN OF NATURAL GAS FOR THE PRODUCTION OF LIQUID NITROGEN AND LOWER PRESSURE NATURAL GAS

#71
20170038132
2017-02-09

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

#72
20170010043
2017-01-12

Mixed refrigerant system and method

#73
20160341471
2016-11-24

Integrated pre-cooled mixed refrigerant system and method

#74
20160327334
2016-11-10

SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GAS

#75
20160327333
2016-11-10

METHOD AND DEVICE FOR THE LIQUEFACTION OF A GASEOUS CO2 STREAM

#76
20160313057
2016-10-27

Integrated methane refrigeration system for liquefying natural gas

#77
20160313056
2016-10-27

SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GAS

#78
20160268874
2016-09-15

Liquefaction system and power generation system

#79
20160252298
2016-09-01

System and Method for the Production of Liquefied Natural Gas

#80
20160138862
2016-05-19

Method and apparatus for cooling a hydrocarbon stream

#81
20160109180
2016-04-21

Apparatus and method for producing low-temperature compressed gas or liquefied gas

#82
20150211787
2015-07-30

System and method for the production of liquefied natural gas

#83
20150184930
2015-07-02

Method for liquefying a natural gas, including a phase change

#84
20140305160
2014-10-16

System and process for natural gas liquefaction

#85
20130192297
2013-08-01

Configurations and methods for small scale LNG production

#86
20130098103
2013-04-25

Method of treating a hydrocarbon stream comprising methane, and an apparatus therefor

#87
20130061633
2013-03-14

CONFIGURATIONS AND METHODS OF INTEGRATED NGL RECOVERY AND LNG LIQUEFACTION

#88
20120289407
2012-11-15

Superconducting system for enhanced natural gas production

#89
20120240618
2012-09-27

Apparatus and method for cooling and liquefying a fluid

#90
20120186296
2012-07-26

PROCESS AND APPARATUS FOR SWEETENING AND LIQUEFYING A GAS STREAM

#91
20120090351
2012-04-19

METHOD OF COOLING A HYDROCARBON STREAM AND APPARATUS THEREFOR

#92
20120079850
2012-04-05

Controlling liquefaction of natural gas

#93
20120067080
2012-03-22

Mixed refrigerant compression circuit

#94
20120060552
2012-03-15

METHOD AND APPARATUS FOR COOLING A GASEOUS HYDROCARBON STREAM

#95
20110265511
2011-11-03

NATURAL GAS LIQUEFACTION METHOD WITH ENHANCED PROPANE RECOVERY

#96
20110259045
2011-10-27

Power Matched Mixed Refrigerant Compression Circuit

#97
20110226008
2011-09-22

Integrated pre-cooled mixed refrigerant system and method

#98
20110185767
2011-08-04

METHOD AND APPARATUS FOR LIQUEFYING A HYDROCARBON-CONTAINING FEED STREAM

#99
20110168377
2011-07-14

METHOD OF COOLING A HYDROCARBON STREAM AND AN APPARATUS THEREFOR

#100
20110067440
2011-03-24

Method of cooling and liquefying a hydrocarbon stream, an apparatus therefor, and a floating structure, caisson or off-shore platform comprising such an apparatus

#101
20110056237
2011-03-10

Method and apparatus for liquefying a hydrocarbon stream

#102
20110048067
2011-03-03

Natural gas liquefaction method with high-pressure fractionation

#103
20110041389
2011-02-24

Process for Separating Off Nitrogen from Natural Gas

#104
20110036120
2011-02-17

METHOD AND APPARATUS FOR RECOVERING AND FRACTIONATING A MIXED HYDROCARBON FEED STREAM

#105
20110023536
2011-02-03

Method and apparatus for cooling a hydrocarbon stream

#106
20100326133
2010-12-30

METHOD AND APPARATUS FOR COOLING DOWN A CRYOGENIC HEAT EXCHANGER AND METHOD OF LIQUEFYING A HYDROCARBON STREAM

#107
20100319396
2010-12-23

METHOD AND APPARATUS FOR LIQUEFYING HYDROCARBON STREAMS

#108
20100307193
2010-12-09

METHOD AND APPARATUS FOR COOLING AND SEPARATING A HYDROCARBON STREAM

#109
20100293996
2010-11-25

METHOD AND APPARATUS FOR LIQUEFYING A HYDROCARBON STREAM AND FLOATING VESSEL OR OFFSHORE PLATFORM COMPRISING THE SAME

#110
20100281915
2010-11-11

Pre-Cooled Liquefaction Process

#111
20100275644
2010-11-04

Natural gas liquefaction plant and motive power supply equipment for same

#112
20100223951
2010-09-09

METHOD AND APPARATUS FOR COOLING A HYDROCARBON STREAM

#113
20100186929
2010-07-29

Method and apparatus for cooling a hydrocarbon stream

#114
20100154469
2010-06-24

Process and system for liquefaction of hydrocarbon-rich gas stream utilizing three refrigeration cycles

#115
20100147024
2010-06-17

ALTERNATIVE PRE-COOLING ARRANGEMENT

#116
20100139316
2010-06-10

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

#117
20100122551
2010-05-20

Liquefaction method and system

#118
20100115990
2010-05-13

METHOD FOR LIQUEFYING A HYDROCARBON-RICH FLOW

#119
20100107684
2010-05-06

Natural gas liquefaction process

#120
20100101272
2010-04-29

PROCESS OF LIQUEFYING A GASEOUS METHANE-RICH FEED FOR OBTAINING LIQUID NATURAL GAS

#121
20100071409
2010-03-25

METHOD AND APPARATUS FOR LIQUEFYING A HYDROCARBON STREAM

#122
20100037654
2010-02-18

Method and apparatus for cooling a hydrocarbon stream

#123
20100031699
2010-02-11

Method and apparatus for liquefying a hydrocarbon stream

#124
20100024477
2010-02-04

Integrated NGL Recovery And Liquefied Natural Gas Production

#125
20100024474
2010-02-04

Method and apparatus for cooling a hydrocarbon stream

#126
20100011808
2010-01-21

METHOD AND APPARATUS FOR LIQUEFYING A HYDROCARBON STREAM

#127
20100000253
2010-01-07

METHOD AND APPARATUS FOR THE RELIQUEFACTION OF A VAPOUR

#128
20090314030
2009-12-24

Method and apparatus for liquefying a hydrocarbon stream

#129
20090301131
2009-12-10

METHOD AND APPARATUS FOR TREATING A HYDROCARBON STREAM

#130
20090282862
2009-11-19

METHOD AND APPARATUS FOR PRODUCING A COOLED HYDROCARBON STREAM

#131
20090255294
2009-10-15

Method and apparatus for liquefying a hydrocarbon stream

#132
20090249828
2009-10-08

LNG SYSTEM WITH ENHANCED PRE-COOLING CYCLE

#133
20090241593
2009-10-01

METHOD AND APPARATUS FOR COOLING A HYDROCARBON STREAM

#134
20090100844
2009-04-23

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

#135
20090025422
2009-01-29

Controlling Liquefaction of Natural Gas

#136
20090019888
2009-01-22

METHOD FOR LIQUEFYING A HYDROCARBON-RICH STREAM

#137
20080307826
2008-12-18

Apparatus and method for optimizing a natural gas liquefaction train having a nitrogen cooling loop

#138
20080216512
2008-09-11

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

#139
20080173043
2008-07-24

Method For the Liquefaction of a Hydrocarbon-Rich Stream

#140
20080156037
2008-07-03

Plant and Method for Liquefying Natural Gas

#141
20080156036
2008-07-03

Plant and Method for Liquefying Natural Gas

#142
20080141711
2008-06-19

Hybrid cycle liquefaction of natural gas with propane pre-cooling

#143
20080120993
2008-05-29

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

#144
20080006053
2008-01-10

Natural Gas Liquefaction Process

#145
20080000266
2008-01-03

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

#146
20070251266
2007-11-01

Cryogenic liquefying/refrigerating method and system

#147
20070245771
2007-10-25

Dual stage nitrogen rejection from liquefied natural gas

#148
20070227185
2007-10-04

Mixed Refrigerant Liquefaction Process

#149
20070157663
2007-07-12

Configurations and methods of integrated NGL recovery and LNG liquefaction

#150
20070149838
2007-06-28

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

#151
20070113584
2007-05-24

Optimized LNG system with liquid expander

#152
20070107464
2007-05-17

LNG system with high pressure pre-cooling cycle

#153
20060260355
2006-11-23

Integrated NGL recovery and liquefied natural gas production

#154
20060162378
2006-07-27

Integrated multiple-loop refrigeration process for gas liquefaction

#155
20060156758
2006-07-20

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

#156
20050210914
2005-09-29

Process and apparatus for liquefying hydrogen

#157
20050126219
2005-06-16

Refrigeration compression system with multiple inlet streams

#158
20050113468
2005-05-26

Natural gas liquefaction and conversion method

#159
20050056051
2005-03-17

Hybrid gas liquefaction cycle with multiple expanders

#160
20050005635
2005-01-13

Plant and process for liquefying natural gas