F25J2270/90 - CPC Classification Index

ClassID:

160534 ⎘

F25J2270/90 - CPC Classification

Classification description:

Refrigeration techniques used External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH, unspecified external refrigeration

Sub-classes:

F25J2270/902 » Details about the refrigeration cycle used, e.g. composition of refrigerant, arrangement of compressors or cascade, make up sources, use of reflux exchangers etc. 73
F25J2270/904 » by liquid or gaseous cryogen in an open loop 114
F25J2270/906 » by heat driven absorption chillers 36
F25J2270/908 » by regenerative chillers, i.e. oscillating or dynamic systems, e.g. Stirling refrigerator, thermoelectric ("Peltier") or magnetic refrigeration 46
F25J2270/912 » Liquefaction cycle of a low-boiling (feed) gas in a cryocooler, i.e. in a closed-loop refrigerator 30

Recent Application in this class:

20250003677

2025-01-02

Cryogenic Neon Purification System and Method

20240384929

2024-11-21

SYSTEM AND METHOD FOR TREATING ASSOCIATED GAS

20240067590

2024-02-29

Reflux arrangement for distillation columns

20230266061

2023-08-24

Fuel Gas Conditioning System and Process to Improve Output Gas Quality

20230213277

2023-07-06

SYSTEM AND METHOD FOR EFFICIENT NATURAL GAS PRETREATMENT

20230168029

2023-06-01

REFRIGERANT AND NITROGEN RECOVERY

20220397343

2022-12-15

FACILITY FOR THE SEPARATION AND LIQUEFACTION OF METHANE AND CO2 COMPRISING A VAPO/CONDENSER PLACED IN AN INTERMEDIATE STAGE OF THE DISTILLATION COLUMN

20220187014

2022-06-16

Method of cooling boil off gas and an apparatus therefor

20220074652

2022-03-10

Natural gas liquefaction by a high pressure expansion process

#10

20220049896

2022-02-17

System and method for treating associated gas

#11

20210130261

2021-05-06

Ethylene-to-liquids systems and methods

#12

20210069632

2021-03-11

System and method of recovering carbon dioxide from an exhaust gas stream

#13

20210048243

2021-02-18

Natural gas liquefaction device and natural gas liquefaction method

#14

20200385641

2020-12-10

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

#15

20200378680

2020-12-03

Gas separation system with auto-refrigeration and selective recycle for carbon dioxide capture and compression

#16

20200232704

2020-07-23

Systems and methods for using multiple cryogenic hydraulic turbines

#17

20200217585

2020-07-09

Method and system for cooling a hydrocarbon stream

#18

20200208910

2020-07-02

Apparatus for liquefying natural gas and method for liquefying natural gas

#19

20200207685

2020-07-02

Ethylene-to-liquids systems and methods

#20

20200132367

2020-04-30

Method and apparatus for air separation by cryogenic distillation

#21

20200072547

2020-03-05

System and method for separating natural gas liquid and nitrogen from natural gas streams

#22

20200003488

2020-01-02

DEVICE AND METHOD FOR LIQUEFYING A NATURAL GAS AND SHIP COMPRISING SUCH A DEVICE

#23

20190264978

2019-08-29

System for treating and cooling a hydrocarbon stream

#24

20190154333

2019-05-23

Configurations and methods for NGL recovery for high nitrogen content feed gases

#25

20190154331

2019-05-23

Method And System For At Least Partially Converting Methane-Containing Gas, In Particular Boil-Off Gas, Retained In A Container, To A Liquid State

#26

20190128602

2019-05-02

SYSTEM AND METHOD FOR PROCESSING A HYDROCARBON-COMPRISING FLUID

#27

20190123372

2019-04-25

Carbon dioxide removal from anode exhaust of a fuel cell by cooling/condensation

#28

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

#29

20180335255

2018-11-22

Device and method for purifying a gas mixture

#30

20180328659

2018-11-15

METHODS FOR RECOVERING NITROGEN FROM PROCESS GAS STREAMS

#31

20180328658

2018-11-15

METHODS FOR PRODUCING PRESSURIZED ALKENE GAS

#32

20180328657

2018-11-15

METHODS FOR PRODUCING PRESSURIZED ALKENE GAS

#33

20180320957

2018-11-08

Low-temperature mixed-refrigerant for hydrogen precooling in large scale

#34

20180313604

2018-11-01

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

#35

20180306501

2018-10-25

Process for component separation utilizing miscibility depression near a freezing point

#36

20180306499

2018-10-25

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

#37

20180266762

2018-09-20

Method for removing a foulant from a gas stream without external refrigeration

#38

20180266760

2018-09-20

Ethane recovery or ethane rejection operation

#39

20180266759

2018-09-20

System and method for processing a hydrocarbon-comprising fluid

#40

20180231306

2018-08-16

System and method for separating natural gas liquid and nitrogen from natural gas streams

#41

20180224203

2018-08-09

Separating carbon dioxide and ethane from a mixed stream

#42

20180209729

2018-07-26

Circulating fluidized bed connected to a desublimating heat exchanger

#43

20180120007

2018-05-03

Gas recovery system, compressor system, and refrigeration cycle system

#44

20180080710

2018-03-22

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

#45

20180080709

2018-03-22

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

#46

20180080708

2018-03-22

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

#47

20180051215

2018-02-22

Method for removing nitrogen from a hydrocarbon-rich fraction

#48

20180045460

2018-02-15

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

#49

20180031315

2018-02-01

Carbon Dioxide Capture from Flu Gas

#50

20170370640

2017-12-28

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

#51

20170336138

2017-11-23

INTEGRATED PROCESS FOR NGL (NATURAL GAS LIQUIDS RECOVERY) AND LNG (LIQUEFACTION OF NATURAL GAS)

#52

20170276427

2017-09-28

Systems And Methods For Enhanced Recovery Of NGL Hydrocarbons

#53

20170260114

2017-09-14

ETHYLENE-TO-LIQUIDS SYSTEMS AND METHODS

#54

20170234613

2017-08-17

Methods and apparatuses for reforming of hydrocarbons including recovery of products using an absorption zone

#55

20170198967

2017-07-13

Separation method and separation process system for recovering ethylene

#56

20170191751

2017-07-06

Hydrocarbon gas processing

#57

20170167786

2017-06-15

Pre-Cooling of Natural Gas by High Pressure Compression and Expansion

#58

20170122658

2017-05-04

Enhanced low temperature separation process

#59

20170051971

2017-02-23

Distillation column system and plant for production of oxygen by cryogenic fractionation of air

#60

20170051970

2017-02-23

Ethane recovery and ethane rejection methods and configurations

#61

20170051969

2017-02-23

Method and device for liquefaction of methane

#62

20170050900

2017-02-23

Process for recovering olefins from manufacturing operations

#63

20170030635

2017-02-02

AIR FRACTIONATION PLANT, OPERATING METHOD AND CONTROL FACILITY

#64

20170023293

2017-01-26

Configurations and methods for nitrogen rejection, LNG and NGL production from high nitrogen feed gases

#65

20170008822

2017-01-12

Membrane-based gas separation processes to separate dehydrogenation reaction products

#66

20170003072

2017-01-05

Systems and methods for using multiple cryogenic hydraulic turbines

#67

20160363368

2016-12-15

Auto-refrigerated gas separation system for carbon dioxide capture and compression

#68

20160362352

2016-12-15

Recovery of ethylene from methanol to olefins process

#69

20160327333

2016-11-10

METHOD AND DEVICE FOR THE LIQUEFACTION OF A GASEOUS CO2 STREAM

#70

20160290714

2016-10-06

Optimized heat exchange in a CO2 de-sublimation process

#71

20160138864

2016-05-19

Liquid collection system

#72

20160138861

2016-05-19

System and method for liquefied natural gas production

#73

20160040930

2016-02-11

Cryogenic system for removing acid gases from a hydrocarbon gas stream

#74

20150232395

2015-08-20

Ethylene-to-liquids systems and methods

#75

20150210936

2015-07-30

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

#76

20150073194

2015-03-12

Hydrocarbon gas processing

#77

20150013377

2015-01-15

Separating carbon dioxide and ethane from a mixed stream

#78

20140360201

2014-12-11

Method and apparatus for supplying a combustion chamber with nitrogen

#79

20140260420

2014-09-18

Flexible NGL recovery methods and configurations

#80

20140182331

2014-07-03

Integrated process for NGL (natural gas liquids recovery) and LNG (liquefaction of natural gas)

#81

20140041412

2014-02-13

Carbon dioxide capture and liquefaction

#82

20140008829

2014-01-09

Device and method for extrusion of a solid body

#83

20130298598

2013-11-14

Method and device for condensing a first fluid rich in carbon dioxide using a second fluid

#84

20130269386

2013-10-17

Natural Gas Liquefaction With Feed Water Removal

#85

20130180282

2013-07-18

Simplified LNG process

#86

20130133362

2013-05-30

Natural gas liquefaction process

#87

20130081426

2013-04-04

LOW TEMPERATURE HEAT EXCHANGER SYSTEM AND METHOD

#88

20130068220

2013-03-21

Systems and methods for generating liquid oxygen for portable use

#89

20130055891

2013-03-07

Method and equipment for treating CO-rich smoke

#90

20130035534

2013-02-07

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

#91

20120324942

2012-12-27

Apparatus and method for the distillation separation of a mixture containing carbon dioxide

#92

20120272680

2012-11-01

Method and apparatus for drying and compressing CO-rich flow

#93

20120255325

2012-10-11

Single-unit gas separation process having expanded, post-separation vent stream

#94

20120240619

2012-09-27

METHOD AND DEVICE FOR TREATING A CARBON-DIOXIDE-CONTAINING GAS FLOW, WHEREIN THE ENERGY OF THE VENT GAS (WORK AND COLD DUE TO EXPANSION) IS USED

#95

20120204599

2012-08-16

CRYOGENIC SYSTEM FOR REMOVING ACID GASES FROM A HYDROCARBON GAS STREAM, WITH REMOVAL OF HYDROGEN SULFIDE

#96

20120137728

2012-06-07

AUTO-REFRIGERATED GAS SEPARATION SYSTEM FOR CARBON DIOXIDE CAPTURE AND COMPRESSION

#97

20120125043

2012-05-24

CRYOGENIC SYSTEM FOR REMOVING ACID GASES FROM A HYDROCARBON GAS STREAM

#98

20120121497

2012-05-17

Process for recovering hydrogen and carbon dioxide

#99

20120118011

2012-05-17

Process For The Production Of Hydrogen And Carbon Dioxide

#100

20120065450

2012-03-15

Process that utilizes combined distillation and membrane separation in the separation of an acidic contaminant from a light hydrocarbon gas stream

#101

20120060552

2012-03-15

METHOD AND APPARATUS FOR COOLING A GASEOUS HYDROCARBON STREAM

#102

20120047943

2012-03-01

Process for natural gas liquefaction

#103

20120006054

2012-01-12

Carbon dioxide capture and liquefaction

#104

20110243796

2011-10-06

ARRANGEMENT FOR ACOUSTICAL PHASE CONVERSION

#105

20110226010

2011-09-22

CARBON DIOXIDE CAPTURE FROM FLUE GAS

#106

20110154856

2011-06-30

PROCESS FOR REMOVING A GASEOUS CONTAMINANT FROM A CONTAMINATED GAS STREAM

#107

20110118524

2011-05-19

PROCESS AND APPARATUS FOR C2 RECOVERY

#108

20110094264

2011-04-28

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

#109

20110083469

2011-04-14

Process and Device for Obtaining Liquid Nitrogen by Low Temperature Air Fractionation

#110

20110041550

2011-02-24

PROCESS AND APPARATUS FOR THE SEPARATION OF LIGHT-BOILING COMPONENTS FROM HYDROCARBON MIXTURES

#111

20110016917

2011-01-27

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

#112

20110000366

2011-01-06

Method for treating a process gas flow containing CO

#113

20100326134

2010-12-30

Hydrocarbon gas processing including a single equipment item processing assembly

#114

20100319371

2010-12-23

METHOD AND APPARATUS FOR DRYING COMPRESSED GASES

#115

20100313597

2010-12-16

Method and system for production of liquid natural gas

#116

20100217059

2010-08-26

Process for Recovering Ethylene From an Autothermal Cracking Reactor Effluent

#117

20100186446

2010-07-29

APPARATUS FOR THE LIQUEFACTION OF A GAS AND METHODS RELATING TO SAME

#118

20100175426

2010-07-15

Power Management For Gasification Facility

#119

20100154470

2010-06-24

Method and system for producing liquefied natural gas (LNG)

#120

20100132405

2010-06-03

Method and system for producing LNG

#121

20100108487

2010-05-06

Dividing wall column with a heat pump

#122

20100107684

2010-05-06

Natural gas liquefaction process

#123

20100087696

2010-04-08

Process and apparatus for Crecovery

#124

20100071410

2010-03-25

DISTILLATION PROCESS USING MICROCHANNEL TECHNOLOGY

#125

20100050687

2010-03-04

LIQUEFACTION OF GASEOUS CARBON-DIOXIDE REMAINDERS DURING ANTI-SUBLIMATION PROCESS

#126

20100037627

2010-02-18

CAPTURE AND REMOVAL OF GASES FROM OTHER GASES IN A GAS STREAM

#127

20100024471

2010-02-04

Method and system for extracting carbon dioxide by anti-sublimation at raised pressure

#128

20090299122

2009-12-03

PROCESS FOR PRODUCING A PURIFIED HYDROCARBON GAS

#129

20090298957

2009-12-03

Method and installation for combined production of hydrogen and carbon dioxide

#130

20090199579

2009-08-13

Process for cooling a storage container

#131

20090193846

2009-08-06

Recovery of Carbon Monoxide and Hydrogen From Hydrocarbon Streams

#132

20090173103

2009-07-09

Cryogenic process utilizing high pressure absorber column

#133

20090117024

2009-05-07

Process for the Production of Hydrogen with Co-Production and Capture of Carbon Dioxide

#134

20090101007

2009-04-23

Method for recovery of carbon dioxide from a gas

#135

20090095020

2009-04-16

Liquefaction of Associated Gas at Moderate Conditions

#136

20090020015

2009-01-22

Device for supplying domiciliary and ambulatory oxygen

#137

20080271480

2008-11-06

Intergrated Ngl Recovery and Lng Liquefaction

#138

20080245101

2008-10-09

Integrated Method and Installation for Cryogenic Adsorption and Separation for Producing Co2

#139

20080209942

2008-09-04

Process for recovering lower carbon olefins from product gas for production of olefins

#140

20080202162

2008-08-28

Cryogenic Process Utilizing High Pressure Absorber Column

#141

20080181837

2008-07-31

Hydrogen, Carbon Monoxide, and N2 Recovery From Low BTU Gases

#142

20080156035

2008-07-03

Process and Apparatus for the Liquefaction of Carbon Dioxide

#143

20080141713

2008-06-19

Advanced C2-splitter feed rectifier

#144

20080120982

2008-05-29

Liquefying and storing a gas

#145

20080115532

2008-05-22

Method And Apparatus For Producing A Liquefied Natural Gas Stream

#146

20080072609

2008-03-27

Process for producing slush fluid and apparatus therefor

#147

20080066494

2008-03-20

Light component separation from a carbon dioxide mixture

#148

20070273850

2007-11-29

Extreme Ultra Violet Lithography Apparatus

#149

20070260103

2007-11-08

Low pressure olefin recovery process

#150

20070227186

2007-10-04

Systems and methods for low-temperature gas separation

#151

20070225537

2007-09-27

Process and apparatus for integrating an alkene derivative process with an ethylene process

#152

20070221541

2007-09-27

Multi-stage cryogenic acid gas removal

#153

20070157662

2007-07-12

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

#154

20070130991

2007-06-14

Liquefaction of associated gas at moderate conditions

#155

20070017250

2007-01-25

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

#156

20060260358

2006-11-23

Gas separation liquefaction means and processes

#157

20060230766

2006-10-19

Circulation-type liquid helium reliquefaction apparatus with contaminant discharge function, method of discharging contaminant from the apparatus, and refiner and transfer tube both of which are used for the apparatus

#158