ClassID:

160444

F25J2230/20 - CPC Classification

Classification description:

Processes or apparatus involving steps for increasing the pressure of gaseous process streams Integrated compressor and process expander; Gear box arrangement; Multiple compressors on a common shaft

Recent Application in this class:
#1
20260139898
2026-05-21

SIDE DRAW REFLUX HEAVY HYDROCARBON REMOVAL SYSTEM AND METHOD

#2
20250327617
2025-10-23

APPARATUS AND METHOD FOR TRANSFERRING A FLUID FROM A SUBCRITICAL GASEOUS STATE INTO A SUPERCRITICAL STATE

#3
20250257939
2025-08-14

SYSTEMS AND METHODS FOR LNG REFRIGERATION AND LIQUEFACTION

#4
20250121315
2025-04-17

FACILITY FOR RECOVERING CO2 FROM A FEED GAS FLOW

#5
20250060154
2025-02-20

System and Method for Turndown of a Hydrogen Precooling and/or Hydrogen Liquefaction System

#6
20240310116
2024-09-19

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

#7
20240151464
2024-05-09

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

#8
20240142170
2024-05-02

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

#9
20240125547
2024-04-18

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

#10
20230366619
2023-11-16

LNG Liquefaction System and Process

#11
20230324115
2023-10-12

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#12
20230304732
2023-09-28

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#13
20230168031
2023-06-01

Systems For Extracting Oxygen From A Fluid

#14
20230160633
2023-05-25

Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent Vapor Stream

#15
20230115492
2023-04-13

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

#16
20230113414
2023-04-13

Dehydrogenation Separation Unit with Mixed Refrigerant Cooling

#17
20230113326
2023-04-13

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

#18
20230050081
2023-02-16

Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent Vapor Stream

#19
20230023477
2023-01-26

METHOD AND APPARATUS FOR SEPARATING CARBON DIOXIDE FROM A RESIDUAL GAS IN A FLUIDISED BED CATALYTIC CRACKING PLANT (FCC)

#20
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

#21
20220357103
2022-11-10

Plant and method for liquefying gas

#22
20220333859
2022-10-20

Refrigeration device and system

#23
20220333858
2022-10-20

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

#24
20220333854
2022-10-20

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

#25
20220333853
2022-10-20

System and method to produce liquefied natural gas using a three pinion integral gear machine

#26
20220252343
2022-08-11

PROCESS AND APPARATUS FOR HEAVY HYDROCARBON REMOVAL FROM LEAN NATURAL GAS BEFORE LIQUEFACTION

#27
20220195319
2022-06-23

Paraffin dehydrogenation process and apparatus

#28
20220155008
2022-05-19

Method and system for efficient nonsynchronous LNG production using large scale multi-shaft gas turbines

#29
20220018597
2022-01-20

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#30
20210341224
2021-11-04

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#31
20210231368
2021-07-29

Systems for extracting oxygen from a fluid

#32
20210190420
2021-06-24

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#33
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

#34
20210116174
2021-04-22

HYDROCARBON GAS PROCESSING

#35
20210088278
2021-03-25

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#36
20210088275
2021-03-25

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

#37
20210071091
2021-03-11

Process and plant for producing liquefied natural gas

#38
20210069632
2021-03-11

System and method of recovering carbon dioxide from an exhaust gas stream

#39
20200385641
2020-12-10

METHOD AND SYSTEM FOR TREATING A FLOW BACK FLUID EXITING A WELL SITE

#40
20200333069
2020-10-22

METHOD AND DEVICE FOR SEPARATING AIR BY CRYOGENIC DISTILLATION

#41
20200275630
2020-09-03

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#42
20200248961
2020-08-06

Compressing system, and gas compressing method

#43
20200232703
2020-07-23

System and method for removing freezing components from a feed gas

#44
20200109893
2020-04-09

Dehydrogenation separation unit with mixed refrigerant cooling

#45
20200072547
2020-03-05

System and method for separating natural gas liquid and nitrogen from natural gas streams

#46
20190376740
2019-12-12

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

#47
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

#48
20190271502
2019-09-05

Split refrigerant compressor for the liquefaction of natural gas

#49
20190234415
2019-08-01

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#50
20190234414
2019-08-01

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#51
20190234413
2019-08-01

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#52
20190204007
2019-07-04

System and method for removing freezing components from a feed gas

#53
20190204006
2019-07-04

Systems and methods for LNG refrigeration and liquefaction

#54
20190170436
2019-06-06

Highly cost effective technology for capture of industrial emissions without reagent for clean energy and clean environment applications

#55
20190137172
2019-05-09

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#56
20190063825
2019-02-28

Method and system for LNG production using standardized multi-shaft gas turbines, compressors and refrigerant systems

#57
20190041124
2019-02-07

Integrated expander-motor compressor

#58
20190040864
2019-02-07

Booster system

#59
20180363976
2018-12-20

Booster system

#60
20180356152
2018-12-13

System and method for enhanced argon recovery from a feed stream comprising hydrogen, methane, nitrogen and argon

#61
20180347900
2018-12-06

Process for obtaining one or more air products and air separation plant

#62
20180335254
2018-11-22

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#63
20180335253
2018-11-22

Method and system for efficient nonsynchronous LNG production using large scale multi-shaft gas turbines

#64
20180313603
2018-11-01

APPARATUS AND METHOD FOR PRODUCING LIQUEFIED GAS

#65
20180306109
2018-10-25

Integrated power generation and compression train, and method

#66
20180238236
2018-08-23

Charge gas compression train for ethylene

#67
20180231306
2018-08-16

System and method for separating natural gas liquid and nitrogen from natural gas streams

#68
20180209728
2018-07-26

Compression train including one centrifugal compressor and LNG plant

#69
20180209726
2018-07-26

Method and system for separating carbon dioxide from flue gas

#70
20180142950
2018-05-24

LNG integration with cryogenic unit

#71
20180058753
2018-03-01

Methods and configurations for LNG liquefaction

#72
20180038644
2018-02-08

Method for liquefaction of industrial gas by integration of methanol plant and air separation unit

#73
20180038643
2018-02-08

Method for the integration of liquefied natural gas and syngas production

#74
20180038641
2018-02-08

Method for liquefaction of industrial gas by integration of methanol plant and air separation unit

#75
20180038638
2018-02-08

Integration of industrial gas site with liquid hydrogen production

#76
20180031315
2018-02-01

Carbon Dioxide Capture from Flu Gas

#77
20180003437
2018-01-04

Method for operating an air separation plant

#78
20180003430
2018-01-04

Mixed refrigerant liquefaction system and method

#79
20170368499
2017-12-28

System and method of recovering carbon dioxide from an exhaust gas stream

#80
20170356687
2017-12-14

Gas liquefaction apparatus and gas liquefaction method

#81
20170350649
2017-12-07

Liquefied gas cooling apparatus

#82
20170268821
2017-09-21

System and method for enhanced argon recovery from a feed stream comprising hydrogen, methane, nitrogen and argon

#83
20170241708
2017-08-24

Systems for extracting oxygen from a liquid

#84
20170191751
2017-07-06

Hydrocarbon gas processing

#85
20170176099
2017-06-22

PROCESS AND APPARATUS FOR HEAVY HYDROCARBON REMOVAL FROM LEAN NATURAL GAS BEFORE LIQUEFACTION

#86
20170167787
2017-06-15

Method of natural gas liquefaction on LNG carriers storing liquid nitrogen

#87
20170167786
2017-06-15

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

#88
20170160008
2017-06-08

SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GAS

#89
20170067373
2017-03-09

Integrated LNG gasification and power production cycle

#90
20170051970
2017-02-23

Ethane recovery and ethane rejection methods and configurations

#91
20170030633
2017-02-02

SYSTEM AND METHOD FOR LIQUEFACATION OF NATURAL GAS

#92
20160327334
2016-11-10

SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GAS

#93
20160313056
2016-10-27

SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GAS

#94
20160305708
2016-10-20

Device and method for cooling and/or low-temperature liquefaction

#95
20160231053
2016-08-11

Process and apparatus for producing gaseous oxygen by cryogenic distillation of air

#96
20160131115
2016-05-12

Systems and methods of utilizing axial flow expanders

#97
20160033197
2016-02-04

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#98
20160033196
2016-02-04

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#99
20150283497
2015-10-08

Air compression system and method

#100
20150210936
2015-07-30

Method and system for treating a flow back fluid exiting a well site

#101
20150168054
2015-06-18

Method and apparatus for separating a carbon dioxide-rich gas

#102
20140260335
2014-09-18

Methods and devices for drying hydrocarbon containing gas

#103
20140250911
2014-09-11

Power generation and LNG production

#104
20140238074
2014-08-28

Refrigeration method and installation

#105
20140238070
2014-08-28

Refrigeration method and installation using parallel refrigerators/liquefiers

#106
20140161588
2014-06-12

Centrifugal compressor

#107
20140093396
2014-04-03

Gas compressor control system preventing vibration damage

#108
20130312427
2013-11-28

Air compression system and method

#109
20130199238
2013-08-08

Liquefied natural gas plant with ethylene independent heavies recovery system

#110
20130156543
2013-06-20

Single system with integrated compressor and pump and method

#111
20130104525
2013-05-02

Integrated LNG gasification and power production cycle

#112
20130091869
2013-04-18

Integral compressor-expander

#113
20130058800
2013-03-07

Parallel dynamic compressor arrangement and methods related thereto

#114
20130035534
2013-02-07

METHOD AND AN APPARATUS FOR NGL/GPL RECOVERY FROM A HYDROCARBON GAS, IN PARTICULAR FROM NATURAL GAS

#115
20120285195
2012-11-15

SEPARATION OF GASES

#116
20120279239
2012-11-08

Method and device for low-temperature cooling/liquefaction

#117
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

#118
20120174625
2012-07-12

METHOD AND DEVICE FOR PRODUCING A GASEOUS PRESSURIZED OXYGEN PRODUCT BY CRYOGENIC SEPARATION OF AIR

#119
20120174622
2012-07-12

SYSTEM FOR GAS PROCESSING

#120
20120131952
2012-05-31

METHOD FOR RECOVERING A GASEOUS PRESSURE PRODUCT BY LOW-TEMPERATURE SEPARATION OF AIR

#121
20120131950
2012-05-31

Arrangement for liquefying natural gas and method for starting said arrangement

#122
20120118012
2012-05-17

SEPARATION OF GASES

#123
20120103010
2012-05-03

System and method for producing LNG from contaminated gas streams

#124
20120100015
2012-04-26

Multi-stage compressor

#125
20120067082
2012-03-22

METHOD AND APPARATUS FOR PRODUCING AT LEAST ONE ARGON-ENRICHED FLUID AND AT LEAST ONE OXYGEN-ENRICHED FLUID FROM A RESIDUAL FLUID

#126
20120067080
2012-03-22

Mixed refrigerant compression circuit

#127
20120060528
2012-03-15

Gas treatment device

#128
20120000243
2012-01-05

SEPARATION OF CARBON DIOXIDE AND HYDROGEN

#129
20110318160
2011-12-29

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

#130
20110239699
2011-10-06

Turbocompressor train and method for operation thereof and natural gas liquefaction plant having the turbocompressor train

#131
20110226010
2011-09-22

CARBON DIOXIDE CAPTURE FROM FLUE GAS

#132
20110209497
2011-09-01

System of carbon capture and sequestration

#133
20110209496
2011-09-01

SYSTEM FOR COMBINED CYCLE MECHANICAL DRIVE IN CRYOGENIC LIQUEFACTION PROCESSES

#134
20110203313
2011-08-25

SEPARATION OF CARBON DIOXIDE AND HYDROGEN

#135
20110192191
2011-08-11

HIGH PRESSURE PHYSICAL ABSORPTION PROCESS FOR USE IN CARBON CAPTURE IN ENERGY PRODUCTION PROCESSES

#136
20110167866
2011-07-14

SYSTEM AND METHOD FOR SEPARATING GASSES IN AN EXHAUST GAS

#137
20110132032
2011-06-09

LIQUID AIR METHOD AND APPARATUS

#138
20110118524
2011-05-19

PROCESS AND APPARATUS FOR C2 RECOVERY

#139
20110056237
2011-03-10

Method and apparatus for liquefying a hydrocarbon stream

#140
20110030332
2011-02-10

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

#141
20110000256
2011-01-06

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

#142
20100314888
2010-12-16

Integration Of An Air Separation Apparatus And of A Steam Reheating Cycle

#143
20100293967
2010-11-25

COMPRESSOR SYSTEM AND METHOD FOR GAS LIQUEFACTION SYSTEM

#144
20100263405
2010-10-21

Cryogenic Refrigeration Method And Device

#145
20100251763
2010-10-07

Apparatus and Methods for Natural Gas Transportation and Processing

#146
20100192626
2010-08-05

Method and apparatus for liquefying a gaseous hydrocarbon stream

#147
20100186447
2010-07-29

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

#148
20100154471
2010-06-24

Imported LNG treatment

#149
20100135825
2010-06-03

Multiple electric motors driving a single compressor string

#150
20100087696
2010-04-08

Process and apparatus for Crecovery

#151
20100084256
2010-04-08

System and method of carbon capture and sequestration

#152
20100071409
2010-03-25

METHOD AND APPARATUS FOR LIQUEFYING A HYDROCARBON STREAM

#153
20090301131
2009-12-10

METHOD AND APPARATUS FOR TREATING A HYDROCARBON STREAM

#154
20090293503
2009-12-03

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

#155
20090282840
2009-11-19

ENERGY STORAGE AND GENERATION

#156
20090255294
2009-10-15

Method and apparatus for liquefying a hydrocarbon stream

#157
20090199590
2009-08-13

METHOD AND APPARATUS FOR COMPRESSING A NATURAL GAS STREAM

#158
20090054191
2009-02-26

Dual end gear fluid drive starter

#159
20090013868
2009-01-15

PROCESS AND APPARATUS FOR THE SEPARATION OF A GASEOUS MIXTURE

#160
20090013717
2009-01-15

Process and apparatus for the separation of a gaseous mixture

#161
20080223075
2008-09-18

Process and Apparatus for the Separation of Air by Cryogenic Distillation

#162
20080202161
2008-08-28

METHOD FOR ADJUSTING HEATING VALUE OF LNG

#163
20080202158
2008-08-28

System And Method For Cooling A Bog Stream

#164
20080170980
2008-07-17

Ammonia plant

#165
20080122226
2008-05-29

Compact assemblies for high efficiency performance of cryogenic liquefied gas expanders and pumps

#166
20080098770
2008-05-01

INTERMEDIATE PRESSURE LNG REFLUXED NGL RECOVERY PROCESS

#167
20080034758
2008-02-14

Integrated Air Separation and Oxygen Fired Power Generation System

#168
20070240450
2007-10-18

Flexible NGL process and methods

#169
20060254312
2006-11-16

Method and installation for producing, in gaseous form and under high pressure, at least one fluid chosen from oxygen, argon and nitrogen by cryogenic distillation of air

#170
20060235256
2006-10-19

Combined recovery of hydrogen and hydrocarbon liquids from hydrogen-containing gases

#171
20060213222
2006-09-28

Compact, modular method and apparatus for liquefying natural gas

#172
20060112725
2006-06-01

Natural gas liquefaction process

#173
20060075776
2006-04-13

Method for providing cooling for gas liquefaction

#174
20060065119
2006-03-30

Electricity generation system

#175
20050279132
2005-12-22

LNG system with enhanced turboexpander configuration

#176
20050247078
2005-11-10

Natural gas liquefaction

#177
20050144979
2005-07-07

Method of Liquifying a gas

#178
20050139072
2005-06-30

Process to remove nitrogen and/or carbon dioxide from methane-containing streams

#179
20050126221
2005-06-16

Process and apparatus for the separation of air by cryogenic distillation