ClassID:

160153

F25J3/029 - 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 rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of noble gases of helium

Recent Application in this class:
#1
20250060157
2025-02-20

SYSTEM FOR PURIFYING HELIUM GAS, METHOD, AND APPLICATION

#2
20250003677
2025-01-02

Cryogenic Neon Purification System and Method

#3
20240343578
2024-10-17

HELIUM SEPARATION AND RECOVERY PROCESS

#4
20230391621
2023-12-07

CRYOGENIC PROCESS FOR CRUDE HELIUM RECOVERY FROM NATURAL GAS

#5
20230019514
2023-01-19

Gas purification method and device

#6
20220205717
2022-06-30

RECOVERY OF NONCONDENSABLE GAS COMPONENTS FROM A GASEOUS MIXTURE

#7
20210131727
2021-05-06

Lights removal from carbon dioxide

#8
20210031139
2021-02-04

Helium recovery from gaseous streams

#9
20200088465
2020-03-19

Helium Extraction from Natural Gas

#10
20200056836
2020-02-20

Natural gas liquefaction with integrated nitrogen removal

#11
20190041128
2019-02-07

Recovery Of Helium From Nitrogen-Rich Streams

#12
20180363977
2018-12-20

PROCESS FOR REMOVING NITROGEN FROM NATURAL GAS

#13
20180353898
2018-12-13

Helium recovery from gaseous streams

#14
20180335255
2018-11-22

Device and method for purifying a gas mixture

#15
20180320961
2018-11-08

OPTIMIZATION OF A PROCESS FOR DENITROGENATION OF A NATURAL GAS STREAM

#16
20180320960
2018-11-08

REFLUX OF DEMETHENIZATION COLUMNS

#17
20180209725
2018-07-26

PRODUCTION OF HELIUM FROM A STREAM OF NATURAL GAS

#18
20180023888
2018-01-25

METHOD FOR RECOVERING HELIUM

#19
20170284736
2017-10-05

System, apparatus and methods for a superduct based on a thermally reactive nosecone

#20
20170234612
2017-08-17

Treatment of nitrogen-rich natural gas streams

#21
20170234611
2017-08-17

Recovery Of Helium From Nitrogen-Rich Streams

#22
20170045290
2017-02-16

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

#23
20160318634
2016-11-03

Apparatus and methods for hypersonic stochastic switch

#24
20160231051
2016-08-11

Integrated process and apparatus for recovery of helium rich streams

#25
20150114033
2015-04-30

Purification of carbon dioxide

#26
20140033764
2014-02-06

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

#27
20130219958
2013-08-29

He-3 recovery from natural helium by distillation

#28
20130219956
2013-08-29

He-3 recovery from natural helium by distillation

#29
20120198997
2012-08-09

Method of separating off trace components from a fraction containing at least nitrogen and helium

#30
20120111051
2012-05-10

Carbon dioxide removal process

#31
20110257276
2011-10-20

Process and apparatus for the production of hydrocarbon compounds from methane

#32
20110226009
2011-09-22

Process for producing liquid and gaseous nitrogen streams, a gaseous stream which is rich in helium and a denitrided stream of hydrocarbons and associated installation

#33
20110174017
2011-07-21

Helium Recovery From Natural Gas Integrated With NGL Recovery

#34
20100162755
2010-07-01

Method for nitrogen rejection and or helium recovery in an LNG liquefaction plant

#35
20100115992
2010-05-13

METHODS FOR RECOVERING ARGON

#36
20090257937
2009-10-15

Method and apparatus for purifying and separating a heavy component concentrate along with obtaining light gas isotopes

#37
20090211297
2009-08-27

HELIUM PRODUCTION IN LNG PLANTS

#38
20090013718
2009-01-15

METHOD FOR THE SIMULTANEOUS RECOVERY OF A PURE HELIUM AND PURE NITROGEN FRACTION

#39
20080308273
2008-12-18

System for separating a waste material from a produced gas and injecting the waste material into a well

#40
20080307966
2008-12-18

System for separating carbon dioxide from a produced gas with a methanol removal system

#41
20080307962
2008-12-18

System for separating carbon dioxide and hydrocarbon gas from a produced gas

#42
20080307706
2008-12-18

System for separating carbon dioxide and hydrocarbon gas from a produced gas combined with nitrogen

#43
20080305019
2008-12-11

System for separating a waste material and hydrocarbon gas from a produced gas and injecting the waste material into a well

#44
20080302240
2008-12-11

System for dehydrating and cooling a produced gas to remove natural gas liquids and waste liquids

#45
20080302239
2008-12-11

System for separating a waste liquid and a hydrocarbon gas from a produced gas

#46
20080302012
2008-12-11

System for separating a waste liquid from a produced gas and injecting the waste liquid into a well

#47
20080190025
2008-08-14

Natural gas processing system

#48
20080134716
2008-06-12

Method for Separating Trace Components from a Nitrogen-Rich Stream

#49
20080066494
2008-03-20

Light component separation from a carbon dioxide mixture

#50
20070245771
2007-10-25

Dual stage nitrogen rejection from liquefied natural gas

#51
20070204650
2007-09-06

Self-contained distillation purifier/superheater for liquid-fill product container and delivery systems

#52
20070193303
2007-08-23

Scalable capacity liquefied natural gas plant

#53
20060107691
2006-05-25

Light gas component separation from a carbon dioxide mixture

#54
20060101851
2006-05-18

Light component separation from a carbon dioxide mixture

#55
20060074132
2006-04-06

Process and apparatus for the production of hydrocarbon compounds from methane

#56
18766818
2025-01-07

Cryogen chamber with adsorber