ClassID:

160096

F25J1/0254 - 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; Operation; Control and regulation; Instrumentation controlling particular process parameter, e.g. pressure, temperature

Sub-classes:
Recent Application in this class:
#1
20260049763
2026-02-19

Containerized Gas Processing System with Evacuated Processing Compartment

#2
20260016224
2026-01-15

BOIL-OFF GAS RE-CONDENSATION DEVICE

#3
20250257940
2025-08-14

OXYGEN LIQUEFACTION PROCESS

#4
20240384926
2024-11-21

FACILITY AND METHOD FOR THE LIQUEFACTION OF HYDROGEN

#5
20240369295
2024-11-07

LIQUID CARBON DIOXIDE SUBCOOLER

#6
20240318908
2024-09-26

HYDROGEN LIQUEFACTION SYSTEM AND HYDROGEN LIQUEFACTION METHOD

#7
20240263872
2024-08-08

Cryocooler Suitable for Gas Liquefaction Applications, Gas Liquefaction System and Method Comprising the Same

#8
20240219113
2024-07-04

METHOD AND SYSTEM FOR AVOIDING FREEZING OF AT LEAST ONE COMPONENT OF A CRYOGENIC FLUID INSIDE A CRYOGENIC HEAT EXCHANGER

#9
20240125548
2024-04-18

OIL-LUBRICATED CRYOCOOLER COMPRESSOR AND OPERATION METHOD THEREOF

#10
20240125545
2024-04-18

DEVICE AND METHOD FOR REFRIGERATING OR LIQUEFYING A FLUID

#11
20240118025
2024-04-11

DEVICE AND METHOD FOR REFRIGERATING OR LIQUEFYING A FLUID

#12
20240118023
2024-04-11

METHODS, APPARATUS, SYSTEMS, AND ARTICLES OF MANUFACTURE TO PRODUCE CRYO-COMPRESSED HYDROGEN

#13
20240085101
2024-03-14

REFRIGERANT CYCLE PRESSURE CONTROL SYSTEM FOR RELIQUEFACTION SYSTEM FOR SHIP

#14
20240060715
2024-02-22

LIQUEFACTION SYSTEM AND METHOD FOR CONTROLLING TURBINE INLET TEMPERATURE OF LIQUEFACTION SYSTEM

#15
20240019204
2024-01-18

OPERATING COMPRESSORS IN AN INDUSTRIAL FACILITY

#16
20230213278
2023-07-06

APPARATUS FOR PRECOOLING HYDROGEN FOR LIQUEFACTION USING EXTERNAL LIQUID NITROGEN AND HIGH PRESSURE GASEOUS NITROGEN

#17
20230213273
2023-07-06

INTEGRATED INDUSTRIAL UNIT

#18
20230136307
2023-05-04

Managing make-up gas composition variation for a high pressure expander process

#19
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

#20
20230031233
2023-02-02

ANNULAR CRYOCOOLER COMPRESSOR SYSTEMS AND METHODS

#21
20220357101
2022-11-10

BOIL-OFF GAS RELIQUEFACTION METHOD AND SYSTEM FOR LNG VESSEL

#22
20220205713
2022-06-30

Method and system for controlling refrigerant composition in case of gas tube leaks in a heat exchanger

#23
20220196323
2022-06-23

Cryogenic Containment System

#24
20220128299
2022-04-28

Liquefaction of production gas

#25
20220074654
2022-03-10

Method to control the cooldown of main heat exchangers in liquefied natural gas plant

#26
20210396463
2021-12-23

Operation guidance searching method and operation guidance searching system

#27
20210222948
2021-07-22

Liquefaction apparatus

#28
20210215421
2021-07-15

Cryocooler Suitable for Gas Liquefaction Applications, Gas Liquefaction System and Method Comprising the Same

#29
20210063083
2021-03-04

Liquefaction of Production Gas

#30
20200386473
2020-12-10

APPARATUS, SYSTEM AND METHOD FOR RELIQUEFACTION OF PREVIOUSLY REGASIFIED LNG

#31
20200333050
2020-10-22

Refrigeration cycle for liquid oxygen densification

#32
20200224966
2020-07-16

Process for Producing Liquefied Natural Gas

#33
20200064062
2020-02-27

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

#34
20200064061
2020-02-27

Managing make-up gas composition variation for a high pressure expander process

#35
20200064060
2020-02-27

Heat exchanger configuration for a high pressure expander process and a method of natural gas liquefaction using the same

#36
20200018543
2020-01-16

Method of refrigerant composition control in premixed refrigerant cycle of liquefied natural gas production

#37
20190351988
2019-11-21

Boil-off gas re-liquefying method for LNG ship

#38
20190195555
2019-06-27

System and method for operating a liquefaction train

#39
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

#40
20190120549
2019-04-25

BOIL-OFF GAS RELIQUEFACTION METHOD AND SYSTEM FOR LNG VESSEL

#41
20190120548
2019-04-25

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

#42
20190049174
2019-02-14

METHOD AND SYSTEM FOR LIQUEFYING A NATURAL GAS FEED STREAM

#43
20190011179
2019-01-10

Boil-off gas supply device

#44
20180363976
2018-12-20

Booster system

#45
20180320958
2018-11-08

Method of control of the natural gas liquefaction process

#46
20180214841
2018-08-02

METHOD AND APPARATUS FOR PARTIALLY SOLIDIFYING A METHANE COMPRISING STREAM

#47
20180202712
2018-07-19

Method for cooling a process flow

#48
20180202690
2018-07-19

Refrigeration cycle for liquid oxygen densification

#49
20180180354
2018-06-28

Process for producing liquefied natural gas

#50
20180058753
2018-03-01

Methods and configurations for LNG liquefaction

#51
20180038639
2018-02-08

ROBUST RECOVERY OF NATURAL GAS LETDOWN ENERGY FOR SMALL SCALE LIQUEFIED NATURAL GAS PRODUCTION

#52
20170241705
2017-08-24

Method and apparatus to avoid LNG flash when expanding to the LNG storage facility

#53
20170051969
2017-02-23

Method and device for liquefaction of methane

#54
20160305709
2016-10-20

Liquefied gas treatment system

#55
20160138862
2016-05-19

Method and apparatus for cooling a hydrocarbon stream

#56
20160003527
2016-01-07

SYSTEM AND METHOD FOR LIQUEFYING NATURAL GAS EMPLOYING TURBO EXPANDER

#57
20150027682
2015-01-29

Method and apparatus for dampening flow variations and pressurizing carbon dioxide

#58
20140190205
2014-07-10

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

#59
20140116084
2014-05-01

Method for liquefying natural gas with a mixture of coolant gas

#60
20140075943
2014-03-20

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

#61
20140069931
2014-03-13

Liquefied natural gas storage container and method for manufacturing the same

#62
20130192301
2013-08-01

Method and system for air separation using a supplemental refrigeration cycle

#63
20130180282
2013-07-18

Simplified LNG process

#64
20130111947
2013-05-09

Rebalancing a main heat exchanger in a process for liquefying a tube side stream

#65
20120060553
2012-03-15

NATURAL GAS LIQUEFACTION

#66
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

#67
20100186445
2010-07-29

Natural gas liquefaction processes with feed gas refrigerant cooling loops

#68
20100122551
2010-05-20

Liquefaction method and system

#69
20100115990
2010-05-13

METHOD FOR LIQUEFYING A HYDROCARBON-RICH FLOW

#70
20100107684
2010-05-06

Natural gas liquefaction process

#71
20100037654
2010-02-18

Method and apparatus for cooling a hydrocarbon stream

#72
20090249828
2009-10-08

LNG SYSTEM WITH ENHANCED PRE-COOLING CYCLE

#73
20090241593
2009-10-01

METHOD AND APPARATUS FOR COOLING A HYDROCARBON STREAM

#74
20090217701
2009-09-03

Natural Gas Liquefaction Process for Ling

#75
20090113928
2009-05-07

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

#76
20090019887
2009-01-22

Method of conditioning natural gas in preparation for storage

#77
20080173043
2008-07-24

Method For the Liquefaction of a Hydrocarbon-Rich Stream

#78
20080163645
2008-07-10

NATURAL GAS PROCESSING METHOD

#79
20070186563
2007-08-16

System and method for cold recovery

#80
20070107464
2007-05-17

LNG system with high pressure pre-cooling cycle

#81
20060213222
2006-09-28

Compact, modular method and apparatus for liquefying natural gas

#82
20060196226
2006-09-07

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

#83
20060112725
2006-06-01

Natural gas liquefaction process