ClassID:

160434

F25J2220/68 - CPC Classification

Classification description:

Processes or apparatus involving steps for the removal of impurities; Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons Separating water or hydrates

Recent Application in this class:
#1
20260104199
2026-04-16

METHODS AND SYSTEMS FOR NATURAL GAS PURIFICATION INTEGRATED WITH GAS COMPRESSION

#2
20250389480
2025-12-25

NATURAL GAS LIQUIDS RECOVERY PLANT MANAGEMENT SYSTEMS AND METHODS

#3
20240401878
2024-12-05

ZERO FLARING DURING NGL RECOVERY PLANT DRYING OUT

#4
20240384929
2024-11-21

SYSTEM AND METHOD FOR TREATING ASSOCIATED GAS

#5
20240003619
2024-01-04

A SYSTEM FOR PRODUCING LIQUEFIED NATURAL GAS AND METHOD

#6
20230213277
2023-07-06

SYSTEM AND METHOD FOR EFFICIENT NATURAL GAS PRETREATMENT

#7
20230036896
2023-02-02

METHODS AND SYSTEMS FOR NATURAL GAS PURIFICATION INTEGRATED WITH GAS COMPRESSION

#8
20220390171
2022-12-08

System for transferring condensate

#9
20220152552
2022-05-19

METHOD FOR PURIFYING BIOGAS THROUGH MEMBRANES AT NEGATIVE TEMPERATURES

#10
20220065526
2022-03-03

LIQUID NATURAL GAS PROCESSING WITH HYDROGEN PRODUCTION

#11
20220049896
2022-02-17

System and method for treating associated gas

#12
20210381759
2021-12-09

Carbon Dioxide Recycle Stream Processing with Ethylene Glycol Dehydrating in an Enhanced Oil Recovery Process

#13
20210341221
2021-11-04

CONFIGURATIONS AND METHODS FOR SMALL SCALE LNG PRODUCTION

#14
20210222947
2021-07-22

Process integration for natural gas liquid recovery

#15
20210215420
2021-07-15

HEAVY HYDROCARBON REMOVAL FROM LEAN GAS TO LNG LIQUEFACTION

#16
20200386090
2020-12-10

Method to recover and process methane and condensates from flare gas systems

#17
20200240705
2020-07-30

Methods for removal of moisture from LNG refrigerant

#18
20200232704
2020-07-23

Systems and methods for using multiple cryogenic hydraulic turbines

#19
20200173310
2020-06-04

MODIFIED GOSWAMI CYCLE BASED CONVERSION OF GAS PROCESSING PLANT WASTE HEAT INTO POWER AND COOLING

#20
20200158428
2020-05-21

Method for utilizing waste air to improve the capacity of an existing air separation unit

#21
20200158427
2020-05-21

Method for utilizing waste air to improve the capacity of an existing air separation unit

#22
20200141638
2020-05-07

Carbon dioxide recycle stream processing in an enhanced oil recovery process

#23
20200096254
2020-03-26

Process for producing biomethane from a biogas stream, comprising solidification of the impurities

#24
20200088466
2020-03-19

Helium extraction from natural gas

#25
20200080447
2020-03-12

Natural gas liquid fractionation plant waste heat conversion to simultaneous power and potable water using kalina cycle and modified multi-effect-distillation system

#26
20200041202
2020-02-06

Module for natural gas liquefier apparatus and natural gas liquefier apparatus

#27
20200018547
2020-01-16

Method of separating components of a gas

#28
20200018546
2020-01-16

Method for separating components of a gas

#29
20190390900
2019-12-26

Gas liquefaction column

#30
20190381444
2019-12-19

Apparatus and system for swing adsorption processes

#31
20190360747
2019-11-28

Industrial and hydrocarbon gas liquefaction

#32
20190277563
2019-09-12

Synthesis gas production process for the implementation of a natural gas liquefaction

#33
20190264978
2019-08-29

System for treating and cooling a hydrocarbon stream

#34
20190204008
2019-07-04

ABOVE CRYOGENIC SEPARATION PROCESS FOR PROPANE DEHYDROGENATION REACTOR EFFLUENT

#35
20190186831
2019-06-20

Process integration for natural gas liquid recovery

#36
20190186830
2019-06-20

Process integration for natural gas liquid recovery

#37
20190186828
2019-06-20

Process integration for natural gas liquid recovery

#38
20190186827
2019-06-20

Process integration for natural gas liquid recovery

#39
20190186826
2019-06-20

Process integration for natural gas liquid recovery

#40
20190186825
2019-06-20

Process integration for natural gas liquid recovery

#41
20190186824
2019-06-20

Process integration for natural gas liquid recovery

#42
20190186823
2019-06-20

Process integration for natural gas liquid recovery

#43
20190186822
2019-06-20

Process integration for natural gas liquid recovery

#44
20190186821
2019-06-20

Process integration for natural gas liquid recovery

#45
20190186820
2019-06-20

Process integration for natural gas liquid recovery

#46
20190186819
2019-06-20

Process integration for natural gas liquid recovery

#47
20190186818
2019-06-20

Process integration for natural gas liquid recovery

#48
20190086147
2019-03-21

METHODS AND APPARATUS FOR GENERATING A MIXED REFRIGERANT FOR USE IN NATURAL GAS PROCESSING AND PRODUCTION OF HIGH PURITY LIQUEFIED NATURAL GAS

#49
20190055857
2019-02-21

Organic Rankine cycle based conversion of gas processing plant waste heat into power

#50
20190048751
2019-02-14

Natural gas liquid fractionation plant waste heat conversion to simultaneous power and potable water using Kalina cycle and modified multi-effect-distillation system

#51
20190046921
2019-02-14

Method of preparing natural gas at a gas pressure reduction stations to produce liquid natural gas (LNG)

#52
20190017418
2019-01-17

Organic Rankine cycle based conversion of gas processing plant waste heat into power and cooling

#53
20180356151
2018-12-13

Methods and systems for enhancing production of liquefied natural gas

#54
20180320964
2018-11-08

Method for Separating Gases and Vapors in a Cascading Coolant Horizontal Spray Tower

#55
20180320963
2018-11-08

Process for Gas/Vapor Separation by Cryogenic Froth Flotation

#56
20180306500
2018-10-25

Method for Preventing Fouling of Cryogenic Injection Systems

#57
20180306499
2018-10-25

Methods for Gas-Vapor Separation using a Three-Phased Scouring Heat Exchanger

#58
20180306498
2018-10-25

Method and system for preparing a lean methane-containing gas stream

#59
20180283781
2018-10-04

Method for removal of a foulant from a carrier gas in a single vessel using cryogenic liquids

#60
20180283780
2018-10-04

Method for removal of a foulant from a carrier gas in a single vessel using recycled cold solids

#61
20180274854
2018-09-27

Systems and Methods for Recovering Desired Light Hydrocarbons from Refinery Waste Gas Using a Back-End Turboexpander

#62
20180265795
2018-09-20

Method of preparing natural gas to produce liquid natural gas (LNG)

#63
20180238620
2018-08-23

Air-sparged hydrocyclone for cryogenic gas vapor separation

#64
20180238619
2018-08-23

Method for using a hydrocyclone for cryogenic gas vapor separation

#65
20180236397
2018-08-23

Hydrocyclone for cryogenic gas-vapor separation

#66
20180216880
2018-08-02

In-line L-grade recovery systems and methods

#67
20180073803
2018-03-15

Process for the production of dilute ethylene

#68
20180073802
2018-03-15

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

#69
20180045461
2018-02-15

Process for optimizing removal of condensable components from a fluid

#70
20180045459
2018-02-15

METHOD FOR LIQUEFYING A HYDROCARBON-RICH FRACTION

#71
20180045078
2018-02-15

Modified Goswami cycle based conversion of gas processing plant waste heat into power and cooling

#72
20180038644
2018-02-08

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

#73
20180038641
2018-02-08

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

#74
20180038555
2018-02-08

Floating liquefied natural gas pretreatment system

#75
20180038554
2018-02-08

Floating liquefied natural gas pretreatment system

#76
20180017319
2018-01-18

Heavy hydrocarbon removal from lean gas to LNG liquefaction

#77
20180016977
2018-01-18

Methods and systems for treating fuel gas

#78
20180003429
2018-01-04

Configurations and methods for small scale LNG production

#79
20170370640
2017-12-28

Reducing refrigeration and dehydration load for a feed stream entering a cryogenic distillation process

#80
20170341011
2017-11-30

Apparatus and system for swing adsorption processes

#81
20170328632
2017-11-16

NGL recovery from a recycle stream having natural gas

#82
20170328631
2017-11-16

Natural gas liquefaction system

#83
20170304769
2017-10-26

METHOD FOR PURIFYING BIOGAS THROUGH MEMBRANES AT NEGATIVE TEMPERATURES

#84
20170292077
2017-10-12

Systems and methods for controlling, monitoring, and operating remote oil and gas field equipment over a data network with applications to raw natural gas processing and flare gas capture

#85
20170234615
2017-08-17

PROCESS FOR OPTIMIZING REMOVAL OF CONDENSABLE COMPONENTS FROM A FLUID

#86
20170234612
2017-08-17

Treatment of nitrogen-rich natural gas streams

#87
20170160009
2017-06-08

Gas liquefaction plant

#88
20170160008
2017-06-08

SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GAS

#89
20170153057
2017-06-01

METHODS AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS

#90
20170102182
2017-04-13

Method and arrangement for producing liquefied methane gas (LMG) from various gas sources

#91
20170038139
2017-02-09

METHOD FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS

#92
20170038138
2017-02-09

APPARATUS FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS

#93
20170038136
2017-02-09

METHOD FOR THE INTEGRATION OF A NITROGEN LIQUEFIER AND LIQUEFACTION OF NATURAL GAS FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS AND LIQUID NITROGEN

#94
20170038135
2017-02-09

METHOD FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS AND LIQUID NITROGEN

#95
20170038134
2017-02-09

METHOD FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS

#96
20170038133
2017-02-09

METHOD FOR THE INTEGRATION OF A NITROGEN LIQUEFIER AND LETDOWN OF NATURAL GAS FOR THE PRODUCTION OF LIQUID NITROGEN AND LOWER PRESSURE NATURAL GAS

#97
20170038132
2017-02-09

Methods and systems for integration of industrial site efficiency losses to produce LNG and/or LIN

#98
20170030633
2017-02-02

SYSTEM AND METHOD FOR LIQUEFACATION OF NATURAL GAS

#99
20170003072
2017-01-05

Systems and methods for using multiple cryogenic hydraulic turbines

#100
20160327334
2016-11-10

SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GAS

#101
20160313056
2016-10-27

SYSTEM AND METHOD FOR LIQUEFACTION OF NATURAL GAS

#102
20160282042
2016-09-29

Industrial and hydrocarbon gas liquefaction

#103
20160102262
2016-04-14

SYSTEM AND METHOD FOR SUBSEA COOLING A WELLHEAD GAS TO PRODUCE A SINGLE PHASE DEW-POINTED GAS

#104
20150368566
2015-12-24

Systems and methods for controlling, monitoring, and operating remote oil and gas field equipment over a data network with applications to raw natural gas processing and flare gas capture

#105
20150159940
2015-06-11

Method and system of dehydrating a feed stream processed in a distillation tower

#106
20140075985
2014-03-20

PROCESS FOR OPTIMIZING REMOVAL OF CONDENSABLE COMPONENTS FROM A FLUID

#107
20140069931
2014-03-13

Liquefied natural gas storage container and method for manufacturing the same

#108
20130333417
2013-12-19

Carbon dioxide recycle process

#109
20130298602
2013-11-14

NGL recovery from a recycle stream having natural gas

#110
20130291723
2013-11-07

Processes and apparatuses for preparing liquified natural gas

#111
20130269386
2013-10-17

Natural Gas Liquefaction With Feed Water Removal

#112
20130192296
2013-08-01

Refining system and method for refining a feed gas stream

#113
20130139526
2013-06-06

Floating liquefied natural gas pretreatment system

#114
20130098105
2013-04-25

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

#115
20130096359
2013-04-18

Method of treating a hydrocarbon stream comprising methane, and an apparatus therefor

#116
20120272824
2012-11-01

METHOD FOR DRYING NATURAL GAS BY THE JOINT COOLING OF SOLVENT AND NATURAL GAS

#117
20120186296
2012-07-26

PROCESS AND APPARATUS FOR SWEETENING AND LIQUEFYING A GAS STREAM

#118
20120090467
2012-04-19

Separation system comprising a swirl valve

#119
20120085128
2012-04-12

Method for Recovery of Propane and Heavier Hydrocarbons

#120
20120085127
2012-04-12

Method for enhanced recovery of ethane, olefins, and heavier hydrocarbons from low pressure gas

#121
20120031144
2012-02-09

Cryogenic system for removing acid gases from a hydrocarbon gas stream, and method of removing acid gases

#122
20120017639
2012-01-26

METHODS AND SYSTEMS FOR STORING AND TRANSPORTING GASES

#123
20120000242
2012-01-05

METHOD AND APPARATUS FOR STORING LIQUEFIED NATURAL GAS

#124
20110259044
2011-10-27

METHOD AND APPARATUS FOR PRODUCING LIQUEFIED NATURAL GAS

#125
20110243796
2011-10-06

ARRANGEMENT FOR ACOUSTICAL PHASE CONVERSION

#126
20110197629
2011-08-18

Enhanced Natural Gas Liquid Recovery Process

#127
20110094264
2011-04-28

PRODUCING PURIFIED HYDROCARBON GAS FROM A GAS STREAM COMPRISING HYDROCARBONS AND ACIDIC CONTAMINANTS

#128
20100263532
2010-10-21

Dry natural gas liquefaction method

#129
20100175425
2010-07-15

METHODS AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS AND PRODUCTS THEREFROM

#130
20100175424
2010-07-15

METHODS AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS AND PRODUCTS THEREFROM

#131
20100175423
2010-07-15

METHODS AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS AND PRODUCTS THEREFROM

#132
20100024472
2010-02-04

Removing Contaminants from Natural Gas

#133
20100011663
2010-01-21

Method for liquefaction of natural gas

#134
20090314030
2009-12-24

Method and apparatus for liquefying a hydrocarbon stream

#135
20090299122
2009-12-03

PROCESS FOR PRODUCING A PURIFIED HYDROCARBON GAS

#136
20070137246
2007-06-21

SYSTEMS AND METHODS FOR DELIVERING HYDROGEN AND SEPARATION OF HYDROGEN FROM A CARRIER MEDIUM

#137
20070107465
2007-05-17

APPARATUS FOR THE LIQUEFACTION OF GAS AND METHODS RELATING TO SAME

#138
20070056317
2007-03-15

REMOVING CONTAMINANTS FROM NATURAL GAS

#139
20060218939
2006-10-05

Apparatus for the liquefaction of natural gas and methods relating to same

#140
20060213223
2006-09-28

Apparatus for the liquefaction of natural gas and methods relating to same

#141
20060112726
2006-06-01

Modular LNG process

#142
15367804
2020-09-29

Modular, mobile and scalable LNG plant