ClassID:

160024

F25J1/0035 - CPC Classification

Classification description:

Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by gas expansion with extraction of work

Sub-classes:
Recent Application in this class:
#1
20260092734
2026-04-02

Method of Hydrogen Liquefaction Using Optimized Claude Refrigeration Cycles

#2
20260049762
2026-02-19

SEMI-OPEN LOOP LIQUEFACTION PROCESS

#3
20250297802
2025-09-25

SYSTEM AND METHOD FOR THE PRODUCTION AND SUPPLY OF A DENSIFIED LIQUID OXYGEN PRODUCT

#4
20240393039
2024-11-28

SYSTEM AND PROCESS FOR NATURAL GAS LIQUEFACTION

#5
20240295359
2024-09-05

Device and Method for Recovering Gas with Variable Low-Temperature

#6
20240159460
2024-05-16

METHOD FOR COOLING A HEAT EXCHANGER OF A GAS SUPPLY SYSTEM FOR A GAS-CONSUMING APPARATUS OF A SHIP

#7
20240125544
2024-04-18

Semi-Open Loop Liquefaction Process

#8
20240102729
2024-03-28

LNG PROCESS USING FEEDSTOCK AS PRIMARY REFRIGERANT

#9
20240060717
2024-02-22

SYSTEM FOR STORING AND PRODUCING ENERGY TO STABILIZE THE POWER NETWORK

#10
20230408188
2023-12-21

LIQUID NITROGEN ENERGY STORAGE SYSTEM

#11
20230366619
2023-11-16

LNG Liquefaction System and Process

#12
20230130572
2023-04-27

Gas Purification and Liquefication System and Method Using Liquid Nitrogen

#13
20230129424
2023-04-27

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

#14
20230085320
2023-03-16

INTEGRATED MULTI-FUNCTIONAL PIPELINE SYSTEM FOR DELIVERY OF CHILLED MIXTURES OF NATURAL GAS AND CHILLED MIXTURES OF NATURAL GAS AND NGLS

#15
20230016298
2023-01-19

METHOD AND APPARATUS FOR COOLING IN LIQUEFACTION PROCESS

#16
20220364787
2022-11-17

HEAT EXCHANGER FOR A LIQUEFIED NATURAL GAS FACILITY

#17
20220357103
2022-11-10

Plant and method for liquefying gas

#18
20220228803
2022-07-21

Fuel gas conditioning

#19
20220074652
2022-03-10

Natural gas liquefaction by a high pressure expansion process

#20
20210404738
2021-12-30

Liquefaction system

#21
20210388946
2021-12-16

Filling station for means of transport

#22
20210364229
2021-11-25

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

#23
20210331917
2021-10-28

Nitrogen process for production of ammonia and liquid hydrogen

#24
20210088275
2021-03-25

Pretreatment and pre-cooling of natural gas by high pressure compression and expansion

#25
20210033337
2021-02-04

SYSTEM AND METHOD FOR PRODUCING LIQUEFIED NATURAL GAS

#26
20200386473
2020-12-10

APPARATUS, SYSTEM AND METHOD FOR RELIQUEFACTION OF PREVIOUSLY REGASIFIED LNG

#27
20200232703
2020-07-23

System and method for removing freezing components from a feed gas

#28
20200224966
2020-07-16

Process for Producing Liquefied Natural Gas

#29
20200124345
2020-04-23

Large scale coastal liquefaction

#30
20200064062
2020-02-27

Primary loop start-up method for a high pressure expander process

#31
20190390900
2019-12-26

Gas liquefaction column

#32
20190376740
2019-12-12

Pretreatment and pre-cooling of natural gas by high pressure compression and expansion

#33
20190310013
2019-10-10

Method for liquefying natural gas and for recovering possible liquids from the natural gas, comprising two refrigerant cycles semi-open to the natural gas and a refrigerant cycle closed to the refrigerant gas

#34
20190242645
2019-08-08

Systems and methods for LNG production with propane and ethane recovery

#35
20190204007
2019-07-04

System and method for removing freezing components from a feed gas

#36
20190072007
2019-03-07

Method for liquid air energy storage with semi-closed CObottoming cycle

#37
20190041124
2019-02-07

Integrated expander-motor compressor

#38
20180347901
2018-12-06

Method of liquefying a CO2 contaminated hydrocarbon-containing gas stream

#39
20180306498
2018-10-25

Method and system for preparing a lean methane-containing gas stream

#40
20180259251
2018-09-13

METHOD OF REMOVING CO2 FROM A CONTAMINATED HYDROCARBON STREAM

#41
20180231305
2018-08-16

Increasing Efficiency in an LNG Production System by Pre-Cooling a Natural Gas Feed Stream

#42
20180202713
2018-07-19

Method and system for cooling and separating a hydrocarbon stream

#43
20180180354
2018-06-28

Process for producing liquefied natural gas

#44
20180172344
2018-06-21

Liquefaction of Natural Gas

#45
20180149424
2018-05-31

Liquefied Natural Gas Production

#46
20180128171
2018-05-10

Method and apparatus for power storage

#47
20180080710
2018-03-22

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

#48
20180080709
2018-03-22

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

#49
20180080708
2018-03-22

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

#50
20180058753
2018-03-01

Methods and configurations for LNG liquefaction

#51
20180038643
2018-02-08

Method for the integration of liquefied natural gas and syngas production

#52
20180038638
2018-02-08

Integration of industrial gas site with liquid hydrogen production

#53
20180003430
2018-01-04

Mixed refrigerant liquefaction system and method

#54
20170356687
2017-12-14

Gas liquefaction apparatus and gas liquefaction method

#55
20170336138
2017-11-23

INTEGRATED PROCESS FOR NGL (NATURAL GAS LIQUIDS RECOVERY) AND LNG (LIQUEFACTION OF NATURAL GAS)

#56
20170336137
2017-11-23

Systems and methods for LNG production with propane and ethane recovery

#57
20170241709
2017-08-24

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

#58
20170227283
2017-08-10

Gas liquefaction systems and methods

#59
20170210997
2017-07-27

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

#60
20170191748
2017-07-06

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

#61
20170030633
2017-02-02

SYSTEM AND METHOD FOR LIQUEFACATION OF NATURAL GAS

#62
20170016668
2017-01-19

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

#63
20160377340
2016-12-29

Liquefaction system using a turboexpander

#64
20160313056
2016-10-27

SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GAS

#65
20160305709
2016-10-20

Liquefied gas treatment system

#66
20160298898
2016-10-13

Mixed refrigerant liquefaction system and method

#67
20160268874
2016-09-15

Liquefaction system and power generation system

#68
20160069609
2016-03-10

Method of liquefying a contaminated hydrocarbon-containing gas stream

#69
20150253071
2015-09-10

Heat exchanger for a liquefied natural gas facility

#70
20150226094
2015-08-13

Method and device for generating electrical energy

#71
20150107297
2015-04-23

Temperature controlled method to liquefy gas and a production plant using the method

#72
20140245756
2014-09-04

Method and apparatus for power storage

#73
20140182331
2014-07-03

Integrated process for NGL (natural gas liquids recovery) and LNG (liquefaction of natural gas)

#74
20130199238
2013-08-08

Liquefied natural gas plant with ethylene independent heavies recovery system

#75
20130081409
2013-04-04

METHODS AND SYSTEMS FOR CO2 CONDENSATION

#76
20130061633
2013-03-14

CONFIGURATIONS AND METHODS OF INTEGRATED NGL RECOVERY AND LNG LIQUEFACTION

#77
20120047942
2012-03-01

METHOD, SYSTEM, AND PRODUCTION AND STORAGE FACILITY FOR OFFSHORE LPG and LNG PROCESSING OF ASSOCIATED GASES

#78
20120042690
2012-02-23

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

#79
20120017639
2012-01-26

METHODS AND SYSTEMS FOR STORING AND TRANSPORTING GASES

#80
20110308275
2011-12-22

METHOD AND SYSTEM FOR PERIODIC COOLING, STORING, AND HEATING OF ATMOSPHERIC GAS

#81
20110297346
2011-12-08

Methods and Systems of Regenerative Heat Exchange

#82
20110126584
2011-06-02

METHOD AND APPARATUS FOR TREATING A HYDROCARBON STREAM AND METHOD OF COOLING A HYDROCARBON STREAM

#83
20110120183
2011-05-26

Liquefied natural gas production

#84
20110056237
2011-03-10

Method and apparatus for liquefying a hydrocarbon stream

#85
20100251763
2010-10-07

Apparatus and Methods for Natural Gas Transportation and Processing

#86
20100192626
2010-08-05

Method and apparatus for liquefying a gaseous hydrocarbon stream

#87
20100186447
2010-07-29

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

#88
20100186445
2010-07-29

Natural gas liquefaction processes with feed gas refrigerant cooling loops

#89
20100126214
2010-05-27

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

#90
20100031700
2010-02-11

Liquefied natural gas and hydrocarbon gas processing

#91
20090301132
2009-12-10

Optimized heavies removal system in an LNG facility

#92
20090301131
2009-12-10

METHOD AND APPARATUS FOR TREATING A HYDROCARBON STREAM

#93
20090277218
2009-11-12

Method and apparatus for liquefying a natural gas stream

#94
20090255294
2009-10-15

Method and apparatus for liquefying a hydrocarbon stream

#95
20090229275
2009-09-17

COMPACT CONFIGURATION FOR CRYOGENIC PUMPS AND TURBINES

#96
20090217701
2009-09-03

Natural Gas Liquefaction Process for Ling

#97
20090199579
2009-08-13

Process for cooling a storage container

#98
20090113928
2009-05-07

Method and system for the small-scale production of liquified natural gas (LNG) from low-pressure gas

#99
20090064713
2009-03-12

Method and Apparatus for Liquefying a Natural Gas Stream

#100
20090064712
2009-03-12

Method and Apparatus for Liquefying a Natural Gas Stream

#101
20090019887
2009-01-22

Method of conditioning natural gas in preparation for storage

#102
20080271480
2008-11-06

Intergrated Ngl Recovery and Lng Liquefaction

#103
20080163645
2008-07-10

NATURAL GAS PROCESSING METHOD

#104
20080098770
2008-05-01

INTERMEDIATE PRESSURE LNG REFLUXED NGL RECOVERY PROCESS

#105
20070186564
2007-08-16

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

#106
20070157663
2007-07-12

Configurations and methods of integrated NGL recovery and LNG liquefaction

#107
20070157662
2007-07-12

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

#108
20070056318
2007-03-15

Enhanced heavies removal/LPG recovery process for LNG facilities

#109
20070012072
2007-01-18

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

#110
20060213223
2006-09-28

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

#111
20060213222
2006-09-28

Compact, modular method and apparatus for liquefying natural gas

#112
20060196226
2006-09-07

Method and system for condensation of unprocessed well stream from offshore gas or gas condensate field

#113
20060112725
2006-06-01

Natural gas liquefaction process

#114
20060010911
2006-01-19

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

#115
20060010910
2006-01-19

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

#116
20050279132
2005-12-22

LNG system with enhanced turboexpander configuration

#117
20050247078
2005-11-10

Natural gas liquefaction

#118
20050217314
2005-10-06

Apparatus and methods for processing hydrocarbons to produce liquified natural gas

#119
20050144979
2005-07-07

Method of Liquifying a gas

#120
20050113468
2005-05-26

Natural gas liquefaction and conversion method

#121
20050091991
2005-05-05

System and method for storing gases at low temperature using a cold recovery system