ClassID:

160106

F25J1/0265 - 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; Construction and layout of liquefaction equipments, e.g. valves, machines; Details of the cold heat exchange system; Arrangement of heat exchanger cores in parallel with different functions, e.g. different cooling streams comprising cores associated exclusively with the cooling of a refrigerant stream, e.g. for auto-refrigeration or economizer

Recent Application in this class:
#1
20240255216
2024-08-01

METHOD AND PLANT FOR HYDROGEN LIQUEFACTION

#2
20230160632
2023-05-25

LIQUEFACTION AND SUBCOOLING SYSTEM AND METHOD

#3
20230003443
2023-01-05

Arctic cascade method for natural gas liquefaction in a high-pressure cycle with pre-cooling by ethane and sub-cooling by nitrogen, and a plant for its implementation

#4
20220373254
2022-11-24

Mixed refrigerant system and method

#5
20220333859
2022-10-20

Refrigeration device and system

#6
20220099365
2022-03-31

Method of Cooling Boil-Off Gas and Apparatus Therefor

#7
20220074652
2022-03-10

Natural gas liquefaction by a high pressure expansion process

#8
20210140707
2021-05-13

Arctic cascade method for natural gas liquefaction in a high-pressure cycle with pre-cooling by ethane and sub-cooling by nitrogen, and a plant for its implementation

#9
20200248962
2020-08-06

Mixed refrigerant system and method

#10
20200217585
2020-07-09

Method and system for cooling a hydrocarbon stream

#11
20190072323
2019-03-07

Method of cooling boil-off gas and apparatus therefor

#12
20180313603
2018-11-01

APPARATUS AND METHOD FOR PRODUCING LIQUEFIED GAS

#13
20180292128
2018-10-11

Liquid natural gas liquefier utilizing mechanical and liquid nitrogen refrigeration

#14
20180252468
2018-09-06

Method for natural gas liquefaction and filtration of solidified carbon dioxide

#15
20180172344
2018-06-21

Liquefaction of Natural Gas

#16
20180149424
2018-05-31

Liquefied Natural Gas Production

#17
20180087832
2018-03-29

Mixed refrigerant cooling process and system

#18
20180087809
2018-03-29

Refrigerator and operation method for refrigerator

#19
20180058753
2018-03-01

Methods and configurations for LNG liquefaction

#20
20170336136
2017-11-23

Liquefaction method and system

#21
20170219265
2017-08-03

Method for adjusting a Cryogenic refrigeration apparatus and corresponding apparatus

#22
20170167787
2017-06-15

Method of natural gas liquefaction on LNG carriers storing liquid nitrogen

#23
20170010043
2017-01-12

Mixed refrigerant system and method

#24
20160138862
2016-05-19

Method and apparatus for cooling a hydrocarbon stream

#25
20160138861
2016-05-19

System and method for liquefied natural gas production

#26
20150330574
2015-11-19

Method and apparatus for reliquefying natural gas

#27
20150300732
2015-10-22

System and process for liquefying natural gas

#28
20140238074
2014-08-28

Refrigeration method and installation

#29
20140238070
2014-08-28

Refrigeration method and installation using parallel refrigerators/liquefiers

#30
20140069931
2014-03-13

Liquefied natural gas storage container and method for manufacturing the same

#31
20130327085
2013-12-12

Semi-closed loop LNG process

#32
20130061632
2013-03-14

Integrated NGL Recovery In the Production Of Liquefied Natural Gas

#33
20120289407
2012-11-15

Superconducting system for enhanced natural gas production

#34
20120186296
2012-07-26

PROCESS AND APPARATUS FOR SWEETENING AND LIQUEFYING A GAS STREAM

#35
20120118007
2012-05-17

PROCESS OF HEAT INTEGRATING FEED AND COMPRESSOR DISCHARGE STREAMS WITH HEAVIES REMOVAL SYSTEM IN A LIQUEFIED NATURAL GAS FACILITY

#36
20120103011
2012-05-03

METHOD AND APPARATUS FOR PRODUCING A COOLED HYDROCARBON STREAM

#37
20120060553
2012-03-15

NATURAL GAS LIQUEFACTION

#38
20120042690
2012-02-23

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

#39
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

#40
20110185767
2011-08-04

METHOD AND APPARATUS FOR LIQUEFYING A HYDROCARBON-CONTAINING FEED STREAM

#41
20110146341
2011-06-23

GAS SUPPLY SYSTEM FOR GAS ENGINES

#42
20110036121
2011-02-17

Refrigerant composition control

#43
20100307193
2010-12-09

METHOD AND APPARATUS FOR COOLING AND SEPARATING A HYDROCARBON STREAM

#44
20100223951
2010-09-09

METHOD AND APPARATUS FOR COOLING A HYDROCARBON STREAM

#45
20100218551
2010-09-02

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

#46
20100170297
2010-07-08

Liquefied gas reliquefier, liquefied-gas storage facility and liquefied-gas transport ship including the same, and liquefied-gas reliquefaction method

#47
20100126214
2010-05-27

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

#48
20100122551
2010-05-20

Liquefaction method and system

#49
20100083695
2010-04-08

PROCESS FOR LIQUEFYING HYDROGEN

#50
20100058802
2010-03-11

Method for liquefaction of gas

#51
20100037654
2010-02-18

Method and apparatus for cooling a hydrocarbon stream

#52
20100024475
2010-02-04

Natural gas liquefaction system with turbine expander and liquefaction method thereof

#53
20100000253
2010-01-07

METHOD AND APPARATUS FOR THE RELIQUEFACTION OF A VAPOUR

#54
20090314030
2009-12-24

Method and apparatus for liquefying a hydrocarbon stream

#55
20090282862
2009-11-19

METHOD AND APPARATUS FOR PRODUCING A COOLED HYDROCARBON STREAM

#56
20090277217
2009-11-12

Enhanced nitrogen removal in an LNG facility

#57
20090232663
2009-09-17

Compressor-expander set critical speed avoidance

#58
20090126401
2009-05-21

Dual-refluxed heavies removal column in an LNG facility

#59
20090113929
2009-05-07

METHOD AND APPARATUS FOR PRE-HEATING LNG BOIL-OFF GAS TO AMBIENT TEMPERATURE PRIOR TO COMPRESSION IN A RELIQUEFACTION SYSTEM

#60
20090019888
2009-01-22

METHOD FOR LIQUEFYING A HYDROCARBON-RICH STREAM

#61
20080256976
2008-10-23

SEMI-CLOSED LOOP LNG PROCESS

#62
20080156037
2008-07-03

Plant and Method for Liquefying Natural Gas

#63
20080156036
2008-07-03

Plant and Method for Liquefying Natural Gas

#64
20080141711
2008-06-19

Hybrid cycle liquefaction of natural gas with propane pre-cooling

#65
20080098770
2008-05-01

INTERMEDIATE PRESSURE LNG REFLUXED NGL RECOVERY PROCESS

#66
20080016910
2008-01-24

Integrated NGL recovery in the production of liquefied natural gas

#67
20080016908
2008-01-24

LNG system with enhanced refrigeration efficiency

#68
20070283718
2007-12-13

LNG SYSTEM WITH OPTIMIZED HEAT EXCHANGER CONFIGURATION

#69
20070234755
2007-10-11

Natural gas liquefaction system

#70
20070056318
2007-03-15

Enhanced heavies removal/LPG recovery process for LNG facilities

#71
20070012072
2007-01-18

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

#72
20070012071
2007-01-18

LNG facility providing enhanced liquid recovery and product flexibility

#73
20060213222
2006-09-28

Compact, modular method and apparatus for liquefying natural gas

#74
20060162378
2006-07-27

Integrated multiple-loop refrigeration process for gas liquefaction

#75
20060137391
2006-06-29

Enhanced methane flash system for natural gas liquefaction

#76
20060090508
2006-05-04

Natural gas liquefaction system

#77
20050284176
2005-12-29

LNG system employing refluxed heavies removal column with overhead condensing

#78
20050279133
2005-12-22

Semi-closed loop LNG process

#79
20050279132
2005-12-22

LNG system with enhanced turboexpander configuration

#80
20050183452
2005-08-25

LNG system with warm nitrogen rejection