ClassID:

160123

F25J1/0288 - 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.; Combination of different types of drivers mechanically coupled to the same refrigerant compressor, possibly split on multiple compressor casings using work extraction by mechanical coupling of compression and expansion of the refrigerant, so-called companders

Recent Application in this class:
#1
20250257939
2025-08-14

SYSTEMS AND METHODS FOR LNG REFRIGERATION AND LIQUEFACTION

#2
20240361071
2024-10-31

SYSTEMS AND METHODS FOR HYDROGEN LIQUEFACTION

#3
20240310116
2024-09-19

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

#4
20240151464
2024-05-09

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

#5
20240142170
2024-05-02

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

#6
20240125547
2024-04-18

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

#7
20230408187
2023-12-21

METHOD FOR PRODUCING LIQUEFIED NATURAL GAS FROM NATURAL GAS, AND CORRESPONDING PLANT

#8
20230160632
2023-05-25

LIQUEFACTION AND SUBCOOLING SYSTEM AND METHOD

#9
20230115492
2023-04-13

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

#10
20230113326
2023-04-13

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

#11
20230067883
2023-03-02

Mixed refrigerant hydrogen liquefaction device and method of using same

#12
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

#13
20220357103
2022-11-10

Plant and method for liquefying gas

#14
20220333859
2022-10-20

Refrigeration device and system

#15
20220333858
2022-10-20

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS USING TWO DISTINCT REFRIGERATION CYCLES WITH AN INTEGRAL GEAR MACHINE

#16
20220333828
2022-10-20

Refrigeration device and facility

#17
20220307731
2022-09-29

SYSTEM, METHOD AND APPARATUS FOR THE REGENERATION OF NITROGEN ENERGY WITHIN A CLOSED LOOP CRYOGENIC SYSTEM

#18
20220260310
2022-08-18

Cooling and/or liquefying method and system

#19
20220220977
2022-07-14

Methods and systems for cooling a pressurized fluid with a reduced-pressure fluid

#20
20220128298
2022-04-28

Methods and configurations for LNG liquefaction

#21
20210404738
2021-12-30

Liquefaction system

#22
20210341221
2021-11-04

CONFIGURATIONS AND METHODS FOR SMALL SCALE LNG PRODUCTION

#23
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

#24
20200277968
2020-09-03

Methods and systems for cooling a pressurized fluid with a reduced-pressure fluid

#25
20200124345
2020-04-23

Large scale coastal liquefaction

#26
20200079485
2020-03-12

Boil-off gas re-liquefying system

#27
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

#28
20190204006
2019-07-04

Systems and methods for LNG refrigeration and liquefaction

#29
20190195536
2019-06-27

Fluid cooling apparatus

#30
20190120548
2019-04-25

Natural Gas Liquefaction by a High Pressure Expansion Process using Multiple Turboexpander Compressors

#31
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

#32
20190056174
2019-02-21

System for liquefying a gas

#33
20190041124
2019-02-07

Integrated expander-motor compressor

#34
20180372404
2018-12-27

Method for liquefying natural gas and nitrogen

#35
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

#36
20180320957
2018-11-08

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

#37
20180313604
2018-11-01

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

#38
20180245843
2018-08-30

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

#39
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

#40
20180187971
2018-07-05

Method for thermally assisted electric energy storage

#41
20180170507
2018-06-21

Ship

#42
20180170506
2018-06-21

Ship

#43
20180170505
2018-06-21

Ship with boil-off gas liquefaction system

#44
20180170504
2018-06-21

Ship

#45
20180148138
2018-05-31

BOIL-OFF GAS RE-LIQUEFYING SYSTEM

#46
20180128171
2018-05-10

Method and apparatus for power storage

#47
20180087809
2018-03-29

Refrigerator and operation method for refrigerator

#48
20180080710
2018-03-22

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

#49
20180080709
2018-03-22

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

#50
20180080708
2018-03-22

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

#51
20180038643
2018-02-08

Method for the integration of liquefied natural gas and syngas production

#52
20180003429
2018-01-04

Configurations and methods for small scale LNG production

#53
20170356687
2017-12-14

Gas liquefaction apparatus and gas liquefaction method

#54
20170356677
2017-12-14

System, method and apparatus for the regeneration of nitrogen energy within a closed loop cryogenic system

#55
20170268818
2017-09-21

System and Method for the Production of Liquefied Natural Gas

#56
20170191749
2017-07-06

Method for the production of liquefied natural gas

#57
20170122659
2017-05-04

PROCESS AND APPARATUS FOR SWEETENING AND LIQUEFYING A GAS STREAM

#58
20170010042
2017-01-12

System and Method for the Production of Liquefied Natural Gas

#59
20160313057
2016-10-27

Integrated methane refrigeration system for liquefying natural gas

#60
20160268874
2016-09-15

Liquefaction system and power generation system

#61
20160252298
2016-09-01

System and Method for the Production of Liquefied Natural Gas

#62
20160138861
2016-05-19

System and method for liquefied natural gas production

#63
20160131115
2016-05-12

Systems and methods of utilizing axial flow expanders

#64
20160054053
2016-02-25

Process for cooling a hydrocarbon-rich fraction

#65
20150330574
2015-11-19

Method and apparatus for reliquefying natural gas

#66
20150211787
2015-07-30

System and method for the production of liquefied natural gas

#67
20140305160
2014-10-16

System and process for natural gas liquefaction

#68
20140250911
2014-09-11

Power generation and LNG production

#69
20140245780
2014-09-04

Multi nitrogen expansion process for LNG production

#70
20140245756
2014-09-04

Method and apparatus for power storage

#71
20140190205
2014-07-10

Method for liquefying natural gas with a triple closed circuit of coolant gas

#72
20140116084
2014-05-01

Method for liquefying natural gas with a mixture of coolant gas

#73
20130192297
2013-08-01

Configurations and methods for small scale LNG production

#74
20130091869
2013-04-18

Integral compressor-expander

#75
20120186296
2012-07-26

PROCESS AND APPARATUS FOR SWEETENING AND LIQUEFYING A GAS STREAM

#76
20120060553
2012-03-15

NATURAL GAS LIQUEFACTION

#77
20120047943
2012-03-01

Process for natural gas liquefaction

#78
20120036888
2012-02-16

METHOD AND SYSTEM FOR THE SMALL-SCALE PRODUCTION OF LIQUIFIED NATURAL GAS (LNG) AND COLD COMPRESSED GAS (CCNG) FROM LOW-PRESSURE NATURAL GAS

#79
20110318160
2011-12-29

Turboexpander and method for using moveable inlet guide vanes at compressor inlet

#80
20110209497
2011-09-01

System of carbon capture and sequestration

#81
20110209496
2011-09-01

SYSTEM FOR COMBINED CYCLE MECHANICAL DRIVE IN CRYOGENIC LIQUEFACTION PROCESSES

#82
20110203312
2011-08-25

Method and system for optimized LNG production

#83
20110146341
2011-06-23

GAS SUPPLY SYSTEM FOR GAS ENGINES

#84
20110113825
2011-05-19

DUAL NITROGEN EXPANSION PROCESS

#85
20110056238
2011-03-10

Methods and configurations of boil-off gas handling in LNG regasification terminals

#86
20110030332
2011-02-10

System and method for liquid air production, power storage and power release

#87
20110000256
2011-01-06

System and method for liquid air production, power storage and power release

#88
20100275616
2010-11-04

CRYOGENIC REFRIGERATOR AND CONTROL METHOD THEREFOR

#89
20100263405
2010-10-21

Cryogenic Refrigeration Method And Device

#90
20100236286
2010-09-23

Method and system for regulation of cooling capacity of a cooling system based on a gas expansion process

#91
20100186445
2010-07-29

Natural gas liquefaction processes with feed gas refrigerant cooling loops

#92
20100175862
2010-07-15

BRAZED ALUMINUM HEAT EXCHANGER WITH SPLIT CORE ARRANGEMENT

#93
20100175425
2010-07-15

METHODS AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS AND PRODUCTS THEREFROM

#94
20100175424
2010-07-15

METHODS AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS AND PRODUCTS THEREFROM

#95
20100175423
2010-07-15

METHODS AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS AND PRODUCTS THEREFROM

#96
20100154470
2010-06-24

Method and system for producing liquefied natural gas (LNG)

#97
20100132405
2010-06-03

Method and system for producing LNG

#98
20100126214
2010-05-27

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

#99
20100122551
2010-05-20

Liquefaction method and system

#100
20100107684
2010-05-06

Natural gas liquefaction process

#101
20100084256
2010-04-08

System and method of carbon capture and sequestration

#102
20100024474
2010-02-04

Method and apparatus for cooling a hydrocarbon stream

#103
20100011808
2010-01-21

METHOD AND APPARATUS FOR LIQUEFYING A HYDROCARBON STREAM

#104
20100000253
2010-01-07

METHOD AND APPARATUS FOR THE RELIQUEFACTION OF A VAPOUR

#105
20090293503
2009-12-03

System and method for liquid air production, power storage and power release

#106
20090293502
2009-12-03

System and method for liquid air production, power storage and power release

#107
20090232663
2009-09-17

Compressor-expander set critical speed avoidance

#108
20090217701
2009-09-03

Natural Gas Liquefaction Process for Ling

#109
20090158774
2009-06-25

Equipment and process for liquefaction of LNG boiloff gas

#110
20090158773
2009-06-25

Equipment and process for liquefaction of LNG boiloff gas

#111
20090120127
2009-05-14

METHOD FOR PRODUCING LIQUEFIED NATURAL GAS

#112
20090113929
2009-05-07

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

#113
20090113928
2009-05-07

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

#114
20090100844
2009-04-23

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

#115
20090084132
2009-04-02

METHOD FOR PRODUCING LIQUEFIED NATURAL GAS

#116
20080202158
2008-08-28

System And Method For Cooling A Bog Stream

#117
20080148770
2008-06-26

Process to obtain liquefied natural gas

#118
20070256450
2007-11-08

Equipment and process for liquefaction of LNG boiloff gas

#119
20070234755
2007-10-11

Natural gas liquefaction system

#120
20070095099
2007-05-03

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

#121
20060225461
2006-10-12

Process for sub-cooling an LNG stream obtained by cooling by means of a first refrigeration cycle, and associated installation

#122
20060213222
2006-09-28

Compact, modular method and apparatus for liquefying natural gas

#123
20060090508
2006-05-04

Natural gas liquefaction system