ClassID:

160393

F25J2210/62 - CPC Classification

Classification description:

Processes characterised by the type or other details of the feed stream Liquefied natural gas [LNG]; Natural gas liquids [NGL]; Liquefied petroleum gas [LPG]

Recent Application in this class:
#1
20260146785
2026-05-28

Nitrogen Rejection Unit with Mixed Refrigerant Cooling System and Method

#2
20260036367
2026-02-05

SYSTEMS AND METHODS FOR REMOVING NITROGEN DURING LIQUEFACTION OF NATURAL GAS

#3
20250224176
2025-07-10

LNG REFORMING SYSTEM AND METHOD OF CONTROLLING THE SAME

#4
20250207852
2025-06-26

OPEN LOOP LIQUEFACTION PROCESS WITH NGL RECOVERY

#5
20250207851
2025-06-26

METHOD AND APPARATUS FOR COOLING HYDROGEN

#6
20250075974
2025-03-06

SYSTEM AND METHOD FOR USE OF A TRAIN FEED GAS LOADING AUTOMATION OPTIMIZER

#7
20240410646
2024-12-12

SYSTEM AND METHOD FOR REMOVING NATURAL GAS LIQUIDS FROM RICH GAS

#8
20240318910
2024-09-26

SYSTEM AND METHOD FOR IMPROVING PROPANE RECOVERY AND ETHANE REJECTION IN A GSP/ EXPANDER SYSTEM

#9
20240125549
2024-04-18

Open Loop Liquefaction Process with NGL Recovery

#10
20240102729
2024-03-28

LNG PROCESS USING FEEDSTOCK AS PRIMARY REFRIGERANT

#11
20240068743
2024-02-29

INTEGRATED SYSTEM FOR ACCUMULATING POWER OR FOR GENERATING ELECTRIC POWER AND NATURAL GAS

#12
20240019208
2024-01-18

METHOD AND APPARATUS FOR RECOVERING CARBON DIOXIDE FROM A COMBUSTION ENGINE EXHAUST

#13
20240011707
2024-01-11

REMOVING HEAVY HYDROCARBONS TO PREVENT DEFROST SHUTDOWNS IN LNG PLANTS

#14
20230324115
2023-10-12

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#15
20230304732
2023-09-28

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#16
20230266060
2023-08-24

METHOD AND SYSTEM FOR SEPARATING A FEED FLOW

#17
20230235954
2023-07-27

Modular mid-scale liquefied natural gas production system and method

#18
20230213278
2023-07-06

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

#19
20230213274
2023-07-06

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

#20
20230168029
2023-06-01

REFRIGERANT AND NITROGEN RECOVERY

#21
20230160633
2023-05-25

Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent Vapor Stream

#22
20230050081
2023-02-16

Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent Vapor Stream

#23
20220390170
2022-12-08

Optimized natural gas production control system with actual flow and set point tracking features

#24
20220325950
2022-10-13

LNG reforming system and method of controlling the same

#25
20220268517
2022-08-25

Systems and Methods for Improving the Efficiency of Open-Cycle Cascade-Based Liquified Natural Gas Systems

#26
20220252342
2022-08-11

System and method for the processing of LNG

#27
20220196322
2022-06-23

System and method for removing natural gas liquids from rich gas

#28
20220178609
2022-06-09

Removing heavy hydrocarbons to prevent defrost shutdowns in LNG plants

#29
20220128298
2022-04-28

Methods and configurations for LNG liquefaction

#30
20220115680
2022-04-14

Integrated refueling station

#31
20220018597
2022-01-20

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#32
20210348838
2021-11-11

SYSTEM AND METHOD FOR NATURAL GAS AND NITROGEN LIQUEFACTION WITH DIRECT DRIVE MACHINES FOR TURBINES AND BOOSTERS

#33
20210341224
2021-11-04

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#34
20210270525
2021-09-02

LIQUEFIED NATURAL GAS RECONDENSATION SYSTEM AND RELATED METHODOLOGY

#35
20210190420
2021-06-24

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#36
20210140710
2021-05-13

SYSTEMS AND METHODS FOR REMOVING NITROGEN DURING LIQUEFACTION OF NATURAL GAS

#37
20210116172
2021-04-22

Systems and processes for upgrading natural gas liquids from shale gas

#38
20210095920
2021-04-01

Method for vaporizing liquid propane and vaporizing apparatus used therefor

#39
20210088278
2021-03-25

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#40
20210088275
2021-03-25

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

#41
20200400372
2020-12-24

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

#42
20200318872
2020-10-08

Mixed refrigerant system and method

#43
20200275630
2020-09-03

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#44
20200240687
2020-07-30

Methods for removal of moisture from LNG refrigerant

#45
20200191477
2020-06-18

Heavy hydrocarbon and BTEX removal from pipeline gas to LNG liquefaction

#46
20200064063
2020-02-27

System and method for natural gas liquid production with flexible ethane recovery or rejection

#47
20190376740
2019-12-12

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

#48
20190360747
2019-11-28

Industrial and hydrocarbon gas liquefaction

#49
20190226758
2019-07-25

Process and system for reliquefying boil-off gas (BOG)

#50
20190137172
2019-05-09

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#51
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

#52
20190072324
2019-03-07

System for utilizing carbon dioxide of flue gas captured by cold heat of liquefied natural gas

#53
20190063265
2019-02-28

Method for liquid air and gas energy storage

#54
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

#55
20180335254
2018-11-22

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#56
20180313604
2018-11-01

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

#57
20180313603
2018-11-01

APPARATUS AND METHOD FOR PRODUCING LIQUEFIED GAS

#58
20180292128
2018-10-11

Liquid natural gas liquefier utilizing mechanical and liquid nitrogen refrigeration

#59
20180283782
2018-10-04

Continuous Solid Filtration for Solid-Liquid Separations

#60
20180274853
2018-09-27

GAS PLANT

#61
20180238618
2018-08-23

PRODUCTION OF HELIUM FROM A GAS STREAM CONTAINING HYDROGEN

#62
20180142950
2018-05-24

LNG integration with cryogenic unit

#63
20180120007
2018-05-03

Gas recovery system, compressor system, and refrigeration cycle system

#64
20180080710
2018-03-22

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

#65
20180080709
2018-03-22

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

#66
20180080708
2018-03-22

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

#67
20180058752
2018-03-01

Refrigerant recovery in natural gas liquefaction processes

#68
20180038640
2018-02-08

Plant for the liquefaction of nitrogen using the recovery of cold energy deriving from the evaporation of liquefied natural gas

#69
20170370641
2017-12-28

SYSTEMS AND METHODS FOR REMOVAL OF NITROGEN FROM LNG

#70
20170363350
2017-12-21

Floating liquefied natural gas commissioning system and method

#71
20170320793
2017-11-09

Method and apparatus for producing hydrocarbons

#72
20170276427
2017-09-28

Systems And Methods For Enhanced Recovery Of NGL Hydrocarbons

#73
20170167787
2017-06-15

Method of natural gas liquefaction on LNG carriers storing liquid nitrogen

#74
20170067373
2017-03-09

Integrated LNG gasification and power production cycle

#75
20170010041
2017-01-12

Systems and methods for the production of liquefied nitrogen using liquefied natural gas

#76
20160282042
2016-09-29

Industrial and hydrocarbon gas liquefaction

#77
20160109180
2016-04-21

Apparatus and method for producing low-temperature compressed gas or liquefied gas

#78
20160102908
2016-04-14

Refrigerant recovery in natural gas liquefaction processes

#79
20160047597
2016-02-18

Method and apparatus in a cryogenic liquefaction process

#80
20160010917
2016-01-14

Method and system for separating fluids in a distillation tower

#81
20150330574
2015-11-19

Method and apparatus for reliquefying natural gas

#82
20150253072
2015-09-10

Floating liquefied natural gas commissioning system and method

#83
20150226094
2015-08-13

Method and device for generating electrical energy

#84
20150143842
2015-05-28

Method to recover LPG and condensates from refineries fuel gas streams

#85
20140033763
2014-02-06

Heavy hydrocarbon removal from a natural gas stream

#86
20130139543
2013-06-06

Systems and methods for integrated energy storage and cryogenic carbon capture

#87
20130104525
2013-05-02

Integrated LNG gasification and power production cycle

#88
20130098105
2013-04-25

Cryogenic systems for removing acid gases from a hydrocarbon gas stream using co-current separation devices

#89
20130042645
2013-02-21

Method for turndown of a liquefied natural gas (LNG) plant

#90
20130036763
2013-02-14

Method for start-up of a liquefied natural gas (LNG) plant

#91
20120167616
2012-07-05

Pressure control of gas liquefaction system after shutdown

#92
20120096896
2012-04-26

Process for separating and recovering ethane and heavier hydrocarbons from LNG

#93
20120079841
2012-04-05

Refrigeration process and system for recovering cold from methane by refrigerants

#94
20120041248
2012-02-16

Process for removing nitrogen

#95
20120036889
2012-02-16

Methane conversion process

#96
20120000246
2012-01-05

Liquefied natural gas and hydrocarbon gas processing

#97
20110197629
2011-08-18

Enhanced Natural Gas Liquid Recovery Process

#98
20110146341
2011-06-23

GAS SUPPLY SYSTEM FOR GAS ENGINES

#99
20110132034
2011-06-09

TWO STAGE PROCESS FOR PRODUCING PURIFIED GAS

#100
20110056238
2011-03-10

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

#101
20110017429
2011-01-27

Method For Vaporizing Cryogenic Liquid Through Heat Exchange Using Calorigenic Fluid

#102
20100319361
2010-12-23

Method of producing a gasified hydrocarbon stream; method of liquefying a gaseous hydrocarbon stream; and a cyclic process

#103
20100287985
2010-11-18

Liquefied Natural Gas And Hydrocarbon Gas Processing

#104
20100287982
2010-11-18

Liquefied Natural Gas and Hydrocarbon Gas Processing

#105
20100256245
2010-10-07

Process for methane conversion

#106
20100251763
2010-10-07

Apparatus and Methods for Natural Gas Transportation and Processing

#107
20100162753
2010-07-01

METHOD AND APPARATUS FOR TREATING A HYDROCARBON STREAM

#108
20100154471
2010-06-24

Imported LNG treatment

#109
20100154470
2010-06-24

Method and system for producing liquefied natural gas (LNG)

#110
20100126186
2010-05-27

METHOD AND APPARATUS FOR GENERATING A GASEOUS HYDROCARBON STREAM FROM A LIQUEFIED HYDROCARBON STREAM

#111
20100083695
2010-04-08

PROCESS FOR LIQUEFYING HYDROGEN

#112
20100064725
2010-03-18

METHOD AND APPARATUS FOR TREATING A HYDROCARBON STREAM

#113
20100000234
2010-01-07

METHOD AND APPARATUS FOR THE VAPORIZATION OF A LIQUID HYDROCARBON STREAM

#114
20090282865
2009-11-19

Liquefied Natural Gas and Hydrocarbon Gas Processing

#115
20090277189
2009-11-12

METHOD AND PLANT FOR RE-GASIFICATION OF LNG

#116
20090249829
2009-10-08

Method for selective extraction of natural gas liquids from “rich” natural gas

#117
20090194461
2009-08-06

METHOD FOR TREATING A HYDROCARBON STREAM

#118
20090151391
2009-06-18

LNG FACILITY EMPLOYING A HEAVIES ENRICHING STREAM

#119
20090100863
2009-04-23

System to cold compress an air stream using natural gas refrigeration

#120
20080307827
2008-12-18

METHOD OF REFINING NATURAL GAS AND NATURAL GAS REFINING SYSTEM

#121
20080307789
2008-12-18

Integration of LNG regasification with refinery and power generation

#122
20080302133
2008-12-11

Method and Device for Recovering Carbon Dioxide from Fumes

#123
20080276800
2008-11-13

Method to condense and recover carbon dioxide (CO2) from CO2 containing gas streams

#124
20080216512
2008-09-11

Air separation process utilizing refrigeration extracted from LNG for production of liquid oxygen

#125
20080115532
2008-05-22

Method And Apparatus For Producing A Liquefied Natural Gas Stream

#126
20080000266
2008-01-03

System to increase capacity of LNG-based liquefier in air separation process

#127
20070186563
2007-08-16

System and method for cold recovery

#128
20070130992
2007-06-14

Cyrogenic Air Separation Process and Apparatus

#129
20070125122
2007-06-07

Liquid natural gas fractionation and regasification plant

#130
20060277943
2006-12-14

Process and apparatus for separation of hydrocarbons from liquefied natural gas

#131
20060065015
2006-03-30

Recovering natural gas liquids from LNG using vacuum distillation

#132
20060065014
2006-03-30

Method for recovering LPG boil off gas using LNG as a heat transfer medium

#133
20060032228
2006-02-16

Power generation system including a gas generator combined with a liquified natural gas supply

#134
20060000615
2006-01-05

Infrastructure-independent deepwater oil field development concept

#135
20050210914
2005-09-29

Process and apparatus for liquefying hydrogen

#136
20050204625
2005-09-22

Fuel compositions comprising natural gas and synthetic hydrocarbons and methods for preparation of same

#137
20050132746
2005-06-23

Cryogenic air separation process and apparatus

#138
20050126220
2005-06-16

Systems and methods for vaporization of liquefied natural gas

#139
20050072186
2005-04-07

Process and device for production of LNG by removal of freezable solids