ClassID:

160313

F25J3/0635 - 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 separated product stream separation of CnHm with 1 carbon atom or more

Recent Application in this class:
#1
20250189220
2025-06-12

SYSTEM AND METHOD FOR SEPARATING METHANE FROM LIVESTOCK GASES

#2
20240384929
2024-11-21

SYSTEM AND METHOD FOR TREATING ASSOCIATED GAS

#3
20240044579
2024-02-08

PROCESS FOR REMOVING CO2 FROM A METHANE-CONTAINING GAS

#4
20230375266
2023-11-23

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

#5
20230266061
2023-08-24

Fuel Gas Conditioning System and Process to Improve Output Gas Quality

#6
20230168029
2023-06-01

REFRIGERANT AND NITROGEN RECOVERY

#7
20230048087
2023-02-16

METHANE SEPARATION SYSTEM AND METHOD

#8
20220213511
2022-07-07

ANAEROBIC DIGESTER AND MOBILE BIOGAS PROCESSING PLANT

#9
20220049896
2022-02-17

System and method for treating associated gas

#10
20200385641
2020-12-10

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

#11
20200378682
2020-12-03

USE OF DENSE FLUID EXPANDERS IN CRYOGENIC NATURAL GAS LIQUIDS RECOVERY

#12
20200317591
2020-10-08

Purification and liquefaction of biogas by combination of a crystallization system with a liquefaction exchanger

#13
20200018546
2020-01-16

Method for separating components of a gas

#14
20190277566
2019-09-12

METHOD FOR CRYOGENICALLY SEPARATING A NATURAL GAS STREAM

#15
20190128602
2019-05-02

SYSTEM AND METHOD FOR PROCESSING A HYDROCARBON-COMPRISING FLUID

#16
20190041124
2019-02-07

Integrated expander-motor compressor

#17
20180347901
2018-12-06

Method of liquefying a CO2 contaminated hydrocarbon-containing gas stream

#18
20180346833
2018-12-06

Process and system for recovering natural gas liquids (NGL) from flare gas using Joule-Thomson (J-T) cooling and membrane separation

#19
20180306498
2018-10-25

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

#20
20180266759
2018-09-20

System and method for processing a hydrocarbon-comprising fluid

#21
20180259251
2018-09-13

METHOD OF REMOVING CO2 FROM A CONTAMINATED HYDROCARBON STREAM

#22
20180238620
2018-08-23

Air-sparged hydrocyclone for cryogenic gas vapor separation

#23
20180236397
2018-08-23

Hydrocyclone for cryogenic gas-vapor separation

#24
20180224205
2018-08-09

Method for condensing a CO2 vapor stream beyond the frost point

#25
20180202713
2018-07-19

Method and system for cooling and separating a hydrocarbon stream

#26
20180120007
2018-05-03

Gas recovery system, compressor system, and refrigeration cycle system

#27
20180045460
2018-02-15

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

#28
20180023891
2018-01-25

Methods and apparatus for mechanical separation of CO

#29
20180016977
2018-01-18

Methods and systems for treating fuel gas

#30
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

#31
20170307261
2017-10-26

Thermoacoustic refrigerator

#32
20170284737
2017-10-05

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

#33
20160326446
2016-11-10

Process and system for recovering natural gas liquids (NGL) from flare gas using joule-thomson (J-T) cooling and membrane separation

#34
20160282044
2016-09-29

Process and apparatus for the production of CO and CO

#35
20160116210
2016-04-28

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

#36
20160069609
2016-03-10

Method of liquefying a contaminated hydrocarbon-containing gas stream

#37
20150267131
2015-09-24

NOremoval method

#38
20150210936
2015-07-30

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

#39
20150159947
2015-06-11

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

#40
20150159946
2015-06-11

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

#41
20150159945
2015-06-11

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

#42
20150159944
2015-06-11

Method and device for separating a feed stream using radiation detectors

#43
20150159943
2015-06-11

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

#44
20150159941
2015-06-11

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

#45
20150159940
2015-06-11

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

#46
20150159939
2015-06-11

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

#47
20150158796
2015-06-11

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

#48
20150143842
2015-05-28

Method to recover LPG and condensates from refineries fuel gas streams

#49
20150013380
2015-01-15

Method for separating off acid gases from natural gas

#50
20140345320
2014-11-27

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

#51
20140260335
2014-09-18

Methods and devices for drying hydrocarbon containing gas

#52
20140075986
2014-03-20

Production of ethane for start-up of an LNG train

#53
20140033763
2014-02-06

Heavy hydrocarbon removal from a natural gas stream

#54
20130192296
2013-08-01

Refining system and method for refining a feed gas stream

#55
20130035534
2013-02-07

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

#56
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

#57
20130000349
2013-01-03

APPARATUS AND METHODS FOR THE RECOVERY OF HYDROCARBONACEOUS AND ADDITIONAL PRODUCTS FROM OIL SHALE AND SANDS VIA MULTI-STAGE CONDENSATION

#58
20120324941
2012-12-27

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

#59
20120304688
2012-12-06

Refinery gas upgrading via partial condensation and PSA

#60
20120279227
2012-11-08

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

#61
20120167621
2012-07-05

METHOD OF PROCESSING GAS ASSOCIATED WITH OIL

#62
20120111051
2012-05-10

Carbon dioxide removal process

#63
20120103561
2012-05-03

Heat exchanger and related methods

#64
20120096895
2012-04-26

Process for separating and recovering NGLs from hydrocarbon streams

#65
20120090467
2012-04-19

Separation system comprising a swirl valve

#66
20120036890
2012-02-16

NITROGEN REJECTION METHODS AND SYSTEMS

#67
20120031143
2012-02-09

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

#68
20120024690
2012-02-02

Multistage cyclonic fluid separator

#69
20120017638
2012-01-26

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

#70
20120006055
2012-01-12

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

#71
20110289962
2011-12-01

Natural gas liquids recovery device and method

#72
20110277500
2011-11-17

Nitrogen removal from natural gas

#73
20110192192
2011-08-11

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

#74
20110192191
2011-08-11

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

#75
20110192190
2011-08-11

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

#76
20110167869
2011-07-14

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

#77
20110154856
2011-06-30

PROCESS FOR REMOVING A GASEOUS CONTAMINANT FROM A CONTAMINATED GAS STREAM

#78
20110144407
2011-06-16

PROCESS FOR PRODUCING PURIFIED HYDROCARBON HAS

#79
20110094264
2011-04-28

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

#80
20110016917
2011-01-27

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

#81
20100313598
2010-12-16

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

#82
20100281916
2010-11-11

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

#83
20100258476
2010-10-14

Apparatus for the recovery of hydrocarbonaceous and additional products from oil shale and sands via multi-stage condensation

#84
20100126215
2010-05-27

Method For Cooling A Cryogenic Exchange Line

#85
20100122542
2010-05-20

METHOD AND APPARATUS FOR ADJUSTING HEATING VALUE OF NATURAL GAS

#86
20100107686
2010-05-06

METHOD AND APPARATUS FOR SEPARATING ONE OR MORE C2+ HYDROCARBONS FROM A MIXED PHASE HYDROCARBON STREAM

#87
20100107685
2010-05-06

Refinery gas upgrading via partial condensation and PSA

#88
20100024472
2010-02-04

Removing Contaminants from Natural Gas

#89
20090299122
2009-12-03

PROCESS FOR PRODUCING A PURIFIED HYDROCARBON GAS

#90
20090282863
2009-11-19

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

#91
20090259081
2009-10-15

Method and system for reducing heating value of natural gas

#92
20090249829
2009-10-08

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

#93
20090145167
2009-06-11

METHODS, APPARATUSES AND SYSTEMS FOR PROCESSING FLUID STREAMS HAVING MULTIPLE CONSTITUENTS

#94
20090095020
2009-04-16

Liquefaction of Associated Gas at Moderate Conditions

#95
20080307827
2008-12-18

METHOD OF REFINING NATURAL GAS AND NATURAL GAS REFINING SYSTEM

#96
20080282612
2008-11-20

Process and apparatus for the purification of methane rich gas streams

#97
20070157662
2007-07-12

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

#98
20070137246
2007-06-21

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

#99
20070130991
2007-06-14

Liquefaction of associated gas at moderate conditions

#100
20070079630
2007-04-12

Apparatus and method for condensing hydrocarbons from natural gas

#101
20070056317
2007-03-15

REMOVING CONTAMINANTS FROM NATURAL GAS

#102
20060260356
2006-11-23

Liquid natural gas processing

#103
20060248921
2006-11-09

Landfill gas purification and liquefaction process

#104
20060239879
2006-10-26

Acid gas pretreating method

#105
20050113468
2005-05-26

Natural gas liquefaction and conversion method

#106
20050072186
2005-04-07

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

#107
13764908
2017-01-31

Condensation collection system