Patents-Review.com
ClassID:

160517 ⎘

F25J2270/06 - CPC Classification

Classification description:

Refrigeration techniques used; Internal refrigeration with work-producing gas expansion loop with multiple gas expansion loops

Recent Application in this class:
#1
20260049762
2026-02-19

SEMI-OPEN LOOP LIQUEFACTION PROCESS

 #2
20250334332
2025-10-30

LIQUID NITROGEN GENERATOR AND PROCESS

 #3
20250297802
2025-09-25

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

 #4
20250207852
2025-06-26

OPEN LOOP LIQUEFACTION PROCESS WITH NGL RECOVERY

 #5
20240384928
2024-11-21

METHOD AND PLANT FOR PROVIDING A PRESSURIZED OXYGEN-RICH, GASEOUS AIR PRODUCT

 #6
20240230218
2024-07-11

SYSTEM AND METHOD FOR DENSIFICATION OF LIQUID OXYGEN

 #7
20240200869
2024-06-20

PROCESS AND APPARATUS FOR SEPARATING HYDROCARBON

 #8
20240125549
2024-04-18

Open Loop Liquefaction Process with NGL Recovery

 #9
20240125544
2024-04-18

Semi-Open Loop Liquefaction Process

 #10
20230366619
2023-11-16

LNG Liquefaction System and Process

 #11
20230332833
2023-10-19

Process for Producing Liquefied Hydrogen

 #12
20230324115
2023-10-12

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

 #13
20230304732
2023-09-28

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

 #14
20230251030
2023-08-10

FACILITY AND METHOD FOR HYDROGEN REFRIGERATION

 #15
20230160633
2023-05-25

Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent Vapor Stream

 #16
20230050081
2023-02-16

Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent Vapor Stream

 #17
20230016298
2023-01-19

METHOD AND APPARATUS FOR COOLING IN LIQUEFACTION PROCESS

 #18
20220252345
2022-08-11

Method for operating a heat exchanger, arrangement with a heat exchanger, and system with a corresponding arrangement

 #19
20220018597
2022-01-20

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

 #20
20210404738
2021-12-30

Liquefaction system

 #21
20210341224
2021-11-04

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

 #22
20210270523
2021-09-02

System and method for natural gas and nitrogen liquefaction with independent nitrogen recycle loops

 #23
20210190420
2021-06-24

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

 #24
20210164729
2021-06-03

Apparatus and process for liquefying gases

 #25
20210131728
2021-05-06

PROCESS AND APPARATUS FOR SEPARATING HYDROCARBON

 #26
20210130261
2021-05-06

Ethylene-to-liquids systems and methods

 #27
20210088278
2021-03-25

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

 #28
20200400372
2020-12-24

Heat-of-compression recycle system, and sub-systems thereof

 #29
20200378680
2020-12-03

Gas separation system with auto-refrigeration and selective recycle for carbon dioxide capture and compression

 #30
20200370823
2020-11-26

System and method for small scale LNG production

 #31
20200318897
2020-10-08

CO2 Removal or Capture from CO2-rich Gas Mixtures

 #32
20200275630
2020-09-03

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

 #33
20200224966
2020-07-16

Process for Producing Liquefied Natural Gas

 #34
20200207685
2020-07-02

Ethylene-to-liquids systems and methods

 #35
20190204008
2019-07-04

ABOVE CRYOGENIC SEPARATION PROCESS FOR PROPANE DEHYDROGENATION REACTOR EFFLUENT

 #36
20190137172
2019-05-09

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

 #37
20190049174
2019-02-14

METHOD AND SYSTEM FOR LIQUEFYING A NATURAL GAS FEED STREAM

 #38
20180372404
2018-12-27

Method for liquefying natural gas and nitrogen

 #39
20180335256
2018-11-22

Apparatus and process for liquefying gases

 #40
20180335254
2018-11-22

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

 #41
20180180356
2018-06-28

Simplified method for producing a methane-rich stream and a C2+ hydrocarbon-rich fraction from a feed natural-gas stream, and associated facility

 #42
20180180354
2018-06-28

Process for producing liquefied natural gas

 #43
20180128171
2018-05-10

Method and apparatus for power storage

 #44
20180100696
2018-04-12

Facility and method for producing liquid helium

 #45
20180080710
2018-03-22

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

 #46
20180080709
2018-03-22

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

 #47
20180080708
2018-03-22

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

 #48
20180073802
2018-03-15

Method for energy storage with co-production of peaking power and liquefied natural gas

 #49
20180058753
2018-03-01

Methods and configurations for LNG liquefaction

 #50
20180038638
2018-02-08

Integration of industrial gas site with liquid hydrogen production

 #51
20170356687
2017-12-14

Gas liquefaction apparatus and gas liquefaction method

 #52
20170284735
2017-10-05

AIR SEPARATION REFRIGERATION SUPPLY METHOD

 #53
20170260114
2017-09-14

ETHYLENE-TO-LIQUIDS SYSTEMS AND METHODS

 #54
20170167786
2017-06-15

Pre-Cooling of Natural Gas by High Pressure Compression and Expansion

 #55
20170022897
2017-01-26

METHOD AND INSTALLATION FOR STORING AND RECOVERING ENERGY

 #56
20160370109
2016-12-22

Method for producing a flow rich in methane and a flow rich in C2hydrocarbons, and associated installation

 #57
20160363368
2016-12-15

Auto-refrigerated gas separation system for carbon dioxide capture and compression

 #58
20160313057
2016-10-27

Integrated methane refrigeration system for liquefying natural gas

 #59
20160258676
2016-09-08

Method for fractionating a stream of cracked gas, using an intermediate recirculation current, and related plant

 #60
20160190896
2016-06-30

Method for generating electrical energy and energy generation plant

 #61
20150232395
2015-08-20

Ethylene-to-liquids systems and methods

 #62
20140245756
2014-09-04

Method and apparatus for power storage

 #63
20140238075
2014-08-28

Method for producing a flow which is rich in methane and a cut which is rich in Chydrocarbons from a flow of feed natural gas and an associated installation

 #64
20140102298
2014-04-17

Method of obtaining carbon dioxide from a carbon dioxide-containing gas mixture

 #65
20130291585
2013-11-07

Installation and method for producing liquid helium

 #66
20130255311
2013-10-03

Simplified method for producing a methane-rich stream and a C hydrocarbon-rich fraction from a feed natural-gas stream, and associated facility

 #67
20130192296
2013-08-01

Refining system and method for refining a feed gas stream

 #68
20120297822
2012-11-29

Separation of gases

 #69
20120285195
2012-11-15

SEPARATION OF GASES

 #70
20120266630
2012-10-25

Method for fractionating a stream of cracked gas to obtain an ethylene-rich cut and a stream of fuel, and related installation

 #71
20120240619
2012-09-27

METHOD AND DEVICE FOR TREATING A CARBON-DIOXIDE-CONTAINING GAS FLOW, WHEREIN THE ENERGY OF THE VENT GAS (WORK AND COLD DUE TO EXPANSION) IS USED

 #72
20120240616
2012-09-27

METHOD AND DEVICE FOR TREATING A CARBON DIOXIDE-CONTAINING GAS STREAM

 #73
20120213676
2012-08-23

Process for the Production of Ammonia Synthesis Gas With Improved Cryogenic Purification

 #74
20120137728
2012-06-07

AUTO-REFRIGERATED GAS SEPARATION SYSTEM FOR CARBON DIOXIDE CAPTURE AND COMPRESSION

 #75
20120118012
2012-05-17

SEPARATION OF GASES

 #76
20120118010
2012-05-17

Separation of carbon dioxide and hydrogen

 #77
20120103010
2012-05-03

System and method for producing LNG from contaminated gas streams

 #78
20120039724
2012-02-16

Methods and devices used for automatically controlling speed of an expander

 #79
20120037254
2012-02-16

Methods and devices used for automatically controlling speed of an expander

 #80
20120000243
2012-01-05

SEPARATION OF CARBON DIOXIDE AND HYDROGEN

 #81
20110308276
2011-12-22

METHOD AND SYSTEM FOR PERIODIC COOLING, STORING, AND HEATING WITH MULTIPLE REGENERATORS

 #82
20110308275
2011-12-22

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

 #83
20110302955
2011-12-15

Method For Trapping CO2 By Solid Cryocondensation In A Turbine

 #84
20110296868
2011-12-08

CO2 Recovery Method Using Cryo-Condensation

 #85
20110252827
2011-10-20

CO2 Recovery And Cold Water Production Method

 #86
20110247360
2011-10-13

Method of obtaining carbon dioxide from carbon dioxide-containing gas mixture

 #87
20110239700
2011-10-06

Method of obtaining carbon dioxide from carbon dioxide-containing gas mixture

 #88
20110203313
2011-08-25

SEPARATION OF CARBON DIOXIDE AND HYDROGEN

 #89
20110138852
2011-06-16

Method of obtaining carbon dioxide from carbon dioxide-containing gas mixture

 #90
20110132032
2011-06-09

LIQUID AIR METHOD AND APPARATUS

 #91
20110005273
2011-01-13

Method for producing a flow rich in methane and a flow rich in C hydrocarbons, and associated installation

 #92
20100272634
2010-10-28

Hydrogen liquefaction method and liquefier

 #93
20100263407
2010-10-21

Method for producing a flow which is rich in methane and a cut which is rich in C2+ hydrocarbons from a flow of feed natural gas and an associated installation

 #94
20100058805
2010-03-11

Air separation refrigeration supply method

 #95
20100051876
2010-03-04

PROCESS FOR THE PRODUCTION OF AMMONIA SYNTHESIS GAS WITH IMPROVED CRYOGENIC PURIFICATION

 #96
20100000215
2010-01-07

Zero emission natural gas power and liquefaction plant

 #97
20090217701
2009-09-03

Natural Gas Liquefaction Process for Ling

 #98
20090120127
2009-05-14

METHOD FOR PRODUCING LIQUEFIED NATURAL GAS

 #99
20090084132
2009-04-02

METHOD FOR PRODUCING LIQUEFIED NATURAL GAS

 #100
20080196587
2008-08-21

COseparation apparatus and process for oxy-combustion coal power plants

 #101
20080196585
2008-08-21

Process for vaporizing the product COat two different pressures during COseparation

 #102
20080196584
2008-08-21

Process for feed gas cooling in reboiler during COseparation

 #103
20080196583
2008-08-21

PROCESS FOR RECYCLING OF TOP GAS DURING CO2 SEPARTION

 #104
20080163645
2008-07-10

NATURAL GAS PROCESSING METHOD

 #105
20080155958
2008-07-03

Zero emission natural gas power and liquefaction plant

 #106
20080096985
2008-04-24

Light ends recovery process for a GTL plant

 #107
20070251266
2007-11-01

Cryogenic liquefying/refrigerating method and system

 #108
20070225537
2007-09-27

Process and apparatus for integrating an alkene derivative process with an ethylene process

 #109
20050210914
2005-09-29

Process and apparatus for liquefying hydrogen

 #110
20050154245
2005-07-14

Hydrogen recovery in a distributed distillation system

 #111
17558524
2025-12-09

Apparatus and process for liquefying gases