ClassID:

160308

F25J3/061 - CPC Classification

Classification description:

Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by partial condensation characterised by the feed stream Natural gas or substitute natural gas

Sub-classes:
Recent Application in this class:
#1
20260126246
2026-05-07

PROCESS FOR DEHYDRATION OF A GAS STREAM PRIOR TO CRYOGENIC CO2 FRACTIONATION

#2
20250236803
2025-07-24

PLANT AND PROCESS FOR SEPARATING HYDROGEN FROM NATURAL GAS

#3
20240384929
2024-11-21

SYSTEM AND METHOD FOR TREATING ASSOCIATED GAS

#4
20230375266
2023-11-23

PROCESS AND APPARATUS FOR THE COOLING OF A CO2-RICH FLOW

#5
20230375265
2023-11-23

GAS PROCESSING METHODOLOGY UTILIZING REFLUX AND ADDITIONALLY SYNTHESIZED STREAM OPTIMIZATION

#6
20230168029
2023-06-01

REFRIGERANT AND NITROGEN RECOVERY

#7
20220364789
2022-11-17

Side draw reflux heavy hydrocarbon removal system and method

#8
20220276000
2022-09-01

Operation analysis method for natural gas plant

#9
20220213511
2022-07-07

ANAEROBIC DIGESTER AND MOBILE BIOGAS PROCESSING PLANT

#10
20220205717
2022-06-30

RECOVERY OF NONCONDENSABLE GAS COMPONENTS FROM A GASEOUS MIXTURE

#11
20220049896
2022-02-17

System and method for treating associated gas

#12
20210214619
2021-07-15

Process for extracting gasoline from a gas containing condensable hydrocarbons

#13
20200385641
2020-12-10

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

#14
20200378682
2020-12-03

USE OF DENSE FLUID EXPANDERS IN CRYOGENIC NATURAL GAS LIQUIDS RECOVERY

#15
20200200471
2020-06-25

Multi-product liquefaction method and system

#16
20200191477
2020-06-18

Heavy hydrocarbon and BTEX removal from pipeline gas to LNG liquefaction

#17
20200188844
2020-06-18

Method for separating a natural gas stream into a methane-enriched fraction and a fraction enriched in Cand higher hydrocarbons

#18
20200173310
2020-06-04

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

#19
20200141640
2020-05-07

Integration of hydrogen liquefaction with gas processing units

#20
20190330127
2019-10-31

C3 fractionation system

#21
20190277566
2019-09-12

METHOD FOR CRYOGENICALLY SEPARATING A NATURAL GAS STREAM

#22
20190264979
2019-08-29

SPLIT FLOW INTEGRATED LNG PRODUCTION (SFI-LNG)

#23
20190162470
2019-05-30

Fluid distribution device

#24
20190128602
2019-05-02

SYSTEM AND METHOD FOR PROCESSING A HYDROCARBON-COMPRISING FLUID

#25
20190078840
2019-03-14

Multi-product liquefaction method and system

#26
20190055857
2019-02-21

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

#27
20190041124
2019-02-07

Integrated expander-motor compressor

#28
20190017418
2019-01-17

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

#29
20190010832
2019-01-10

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

#30
20180347901
2018-12-06

Method of liquefying a CO2 contaminated hydrocarbon-containing gas stream

#31
20180328660
2018-11-15

METHODS FOR REMOVING IMPURITIES FROM PROCESS GAS STREAMS

#32
20180306498
2018-10-25

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

#33
20180274853
2018-09-27

GAS PLANT

#34
20180266759
2018-09-20

System and method for processing a hydrocarbon-comprising fluid

#35
20180259251
2018-09-13

METHOD OF REMOVING CO2 FROM A CONTAMINATED HYDROCARBON STREAM

#36
20180238620
2018-08-23

Air-sparged hydrocyclone for cryogenic gas vapor separation

#37
20180238618
2018-08-23

PRODUCTION OF HELIUM FROM A GAS STREAM CONTAINING HYDROGEN

#38
20180236397
2018-08-23

Hydrocyclone for cryogenic gas-vapor separation

#39
20180224205
2018-08-09

Method for condensing a CO2 vapor stream beyond the frost point

#40
20180202713
2018-07-19

Method and system for cooling and separating a hydrocarbon stream

#41
20180073400
2018-03-15

Modified goswami cycle based conversion of gas processing plant waste heat into power and cooling with flexibility

#42
20180045460
2018-02-15

SYSTEMS AND METHODS FOR CAPTURING NATURAL GAS LIQUIDS FROM OIL TANK VAPORS

#43
20180045078
2018-02-15

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

#44
20180023891
2018-01-25

Methods and apparatus for mechanical separation of CO

#45
20180016977
2018-01-18

Methods and systems for treating fuel gas

#46
20170363351
2017-12-21

METHOD AND APPARATUS FOR SEPARATING A FEED GAS CONTAINING AT LEAST 20 MOL % OF CO2 AND AT LEAST 20 MOL % OF METHANE, BY PARTIAL CONDENSATION AND/OR BY DISTILLATION

#47
20170307261
2017-10-26

Thermoacoustic refrigerator

#48
20170306803
2017-10-26

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

#49
20170284737
2017-10-05

Integrated nitrogen removal in the production of liquefied natural gas using intermediate feed gas separation

#50
20170058722
2017-03-02

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

#51
20170058711
2017-03-02

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

#52
20170058709
2017-03-02

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

#53
20170058708
2017-03-02

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

#54
20170056813
2017-03-02

Apparatus and system for swing adsorption processes related thereto

#55
20170056811
2017-03-02

Apparatus and system for swing adsorption processes related thereto

#56
20170045290
2017-02-16

Helium recovery from streams containing helium, carbon dioxide, and at least one of nitrogen and methane

#57
20160282043
2016-09-29

Method of cooling using extended binary refrigeration system

#58
20160231051
2016-08-11

Integrated process and apparatus for recovery of helium rich streams

#59
20160187061
2016-06-30

Accumulation and melt tray assembly for a distillation tower

#60
20160116210
2016-04-28

Method and system of controlling a temperature within a melt tray assembly of a distillation tower

#61
20160102262
2016-04-14

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

#62
20160090542
2016-03-31

APPARATUS AND PROCESS TO CONDITION NATURAL GAS FOR TRANSPORTATION

#63
20160069609
2016-03-10

Method of liquefying a contaminated hydrocarbon-containing gas stream

#64
20160003533
2016-01-07

Separation at sub-ambient temperature of a gaseous mixture containing carbon dioxide and a lighter contaminant

#65
20150362251
2015-12-17

Method for separating a feed gas in a column

#66
20150329445
2015-11-19

PROCESS FOR RECOVERING HYDROCARBONS FROM POLYOLEFIN PLANTS AND APPARATUS SUITABLE FOR THIS PURPOSE

#67
20150300735
2015-10-22

Method and system for starting up a distillation tower

#68
20150267137
2015-09-24

METHOD FOR SEPARATING HEAVY HYDROCARBONS FROM A HYDROCARBON-RICH FRACTION

#69
20150211790
2015-07-30

Method of carrying out absorption/distillation in a single column design

#70
20150210936
2015-07-30

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

#71
20150184931
2015-07-02

Systems and methods for flexible propane recovery

#72
20150159947
2015-06-11

Method and device for separating hydrocarbons and contaminants with a heating mechanism to destabilize and/or prevent adhesion of solids

#73
20150159946
2015-06-11

Method and system of modifying a liquid level during start-up operations

#74
20150159945
2015-06-11

Method of removing solids by modifying a liquid level in a distillation tower

#75
20150159944
2015-06-11

Method and device for separating a feed stream using radiation detectors

#76
20150159943
2015-06-11

Method and device for separating hydrocarbons and contaminants with a spray assembly

#77
20150159941
2015-06-11

Method and system for preventing accumulation of solids in a distillation tower

#78
20150159940
2015-06-11

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

#79
20150159939
2015-06-11

Method and system of maintaining a liquid level in a distillation tower

#80
20150158796
2015-06-11

Method and system for separating a feed stream with a feed stream distribution mechanism

#81
20150007606
2015-01-08

GAS MIXTURE SEPARATION METHOD

#82
20140345320
2014-11-27

Water removal and heavy-hydrocarbon removal process in liquefied natural gas production from mixed gas rich in methane

#83
20140260335
2014-09-18

Methods and devices for drying hydrocarbon containing gas

#84
20140238076
2014-08-28

Nitrogen rejection unit

#85
20140202207
2014-07-24

METHODS FOR SEPARATING HYDROCARBON GASES

#86
20140174122
2014-06-26

Natural Gas Liquids Recovery Plant

#87
20140075986
2014-03-20

Production of ethane for start-up of an LNG train

#88
20140060113
2014-03-06

Method for separating C2+-hydrocarbons or C3+-hydrocarbons from a hydrocarbon-rich fraction

#89
20140033764
2014-02-06

Systems and methods for recovering helium from feed streams containing carbon dioxide

#90
20140033763
2014-02-06

Heavy hydrocarbon removal from a natural gas stream

#91
20130312457
2013-11-28

Process and device for the cryogenic separation of a methane-rich stream

#92
20130192296
2013-08-01

Refining system and method for refining a feed gas stream

#93
20130035534
2013-02-07

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

#94
20130019612
2013-01-24

Method and apparatus for recovering from a pressurized gas a liquid fraction, in particular hydrocarbons having two or more carbon atoms

#95
20120324941
2012-12-27

PROCESS FOR PRODUCING A CONTAMINANT-DEPLETED HYDROCARBON GAS STREAM WITH IMPROVED HYDROCARBON RECOVERY

#96
20120279227
2012-11-08

Method for the capture and disposal of carbon dioxide in an energy conversion process

#97
20120167621
2012-07-05

METHOD OF PROCESSING GAS ASSOCIATED WITH OIL

#98
20120111051
2012-05-10

Carbon dioxide removal process

#99
20120103561
2012-05-03

Heat exchanger and related methods

#100
20120103012
2012-05-03

Sublimation systems and associated methods

#101
20120096895
2012-04-26

Process for separating and recovering NGLs from hydrocarbon streams

#102
20120090467
2012-04-19

Separation system comprising a swirl valve

#103
20120036890
2012-02-16

NITROGEN REJECTION METHODS AND SYSTEMS

#104
20120031143
2012-02-09

PROCESS AND APPARTUS FOR REMOVING GASEOUS CONTAMINANTS FROM GAS STREAM COMPRISING GASEOUS CONTAMINANTS

#105
20120024690
2012-02-02

Multistage cyclonic fluid separator

#106
20120017638
2012-01-26

METHOD OF REMOVING CARBON DIOXIDE FROM A FLUID STREAM AND FLUID SEPARATION ASSEMBLY

#107
20120006055
2012-01-12

PROCESS AND APPARATUS FOR SEPARATING A GASEOUS PRODUCT FROM A FEED STREAM COMPRISING CONTAMINANTS

#108
20110289962
2011-12-01

Natural gas liquids recovery device and method

#109
20110192192
2011-08-11

PROCESS FOR REMOVING GASEOUS CONTAMINANTS FROM A FEED GAS STREAM COMPRISING METHANE AND GASEOUS CONTAMINANTS

#110
20110192191
2011-08-11

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

#111
20110192190
2011-08-11

PROCESS FOR REMOVING GASEOUS CONTAMINANTS FROM A FEED GAS STREAM COMPRISING METHANE AND GASEOUS CONTAMINANTS

#112
20110167869
2011-07-14

Process and apparatus for removing gaseous contaminants from gas stream comprising gaseous contaminants

#113
20110154856
2011-06-30

PROCESS FOR REMOVING A GASEOUS CONTAMINANT FROM A CONTAMINATED GAS STREAM

#114
20110146342
2011-06-23

METHOD OF COOLING USING EXTENDED BINARY REFRIGERATION SYSTEM

#115
20110144407
2011-06-16

PROCESS FOR PRODUCING PURIFIED HYDROCARBON HAS

#116
20110094264
2011-04-28

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

#117
20110016917
2011-01-27

Method of removing and solidifying carbon dioxide from a fluid stream and fluid separation assembly

#118
20100313598
2010-12-16

Separation of a Fluid Mixture Using Self-Cooling of the Mixture

#119
20100281916
2010-11-11

PROCESS FOR THE PURIFICATION OF AN HYDROCARBON GAS STREAM BY FREEZING OUT AND SEPARATING THE SOLIDIFIED ACIDIC CONTAMINANTS

#120
20100024472
2010-02-04

Removing Contaminants from Natural Gas

#121
20090299122
2009-12-03

PROCESS FOR PRODUCING A PURIFIED HYDROCARBON GAS

#122
20090282863
2009-11-19

Method to produce natural gas liquids NGLs at gas Pressure Reduction Stations

#123
20090249829
2009-10-08

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

#124
20090211297
2009-08-27

HELIUM PRODUCTION IN LNG PLANTS

#125
20090095020
2009-04-16

Liquefaction of Associated Gas at Moderate Conditions

#126
20080307827
2008-12-18

METHOD OF REFINING NATURAL GAS AND NATURAL GAS REFINING SYSTEM

#127
20080282612
2008-11-20

Process and apparatus for the purification of methane rich gas streams

#128
20070157662
2007-07-12

Method and apparatus for producing products from natural gas including helium and liquefied natural gas

#129
20070137246
2007-06-21

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

#130
20070130991
2007-06-14

Liquefaction of associated gas at moderate conditions

#131
20070079630
2007-04-12

Apparatus and method for condensing hydrocarbons from natural gas

#132
20070056317
2007-03-15

REMOVING CONTAMINANTS FROM NATURAL GAS

#133
20060248921
2006-11-09

Landfill gas purification and liquefaction process

#134
20060239879
2006-10-26

Acid gas pretreating method

#135
20060107691
2006-05-25

Light gas component separation from a carbon dioxide mixture

#136
20050113468
2005-05-26

Natural gas liquefaction and conversion method

#137
20050072186
2005-04-07

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

#138
18436588
2025-02-18

Fuel gas conditioning units for natural gas systems

#139
13764908
2017-01-31

Condensation collection system