ClassID:

160441

F25J2230/04 - CPC Classification

Classification description:

Processes or apparatus involving steps for increasing the pressure of gaseous process streams Compressor cooling arrangement, e.g. inter- or after-stage cooling or condensate removal

Recent Application in this class:
#1
20250251187
2025-08-07

FACILITY AND METHOD FOR HYDROGEN REFRIGERATION

#2
20250121315
2025-04-17

FACILITY FOR RECOVERING CO2 FROM A FEED GAS FLOW

#3
20250101329
2025-03-27

Methane Purification System and Method

#4
20250003679
2025-01-02

AIR SEPARATION SYSTEM AND AIR SEPARATION METHOD

#5
20240401877
2024-12-05

Nitrogen Rejection Unit System and Method for Low Nitrogen Concentration Feeds

#6
20240393041
2024-11-28

INSTALLATION AND METHOD FOR THE LIQUEFACTION OF HYDROGEN

#7
20240384927
2024-11-21

SYSTEM AND METHOD FOR RELIQUEFACTION OF BOIL-OFF GAS OF SHIP AND SYSTEM AND METHOD FOR TREATING OFFGAS OF RELIQUEFACTION APPARATUS

#8
20240318906
2024-09-26

HYDROGEN LIQUEFACTION SYSTEM AND HYDROGEN LIQUEFACTION METHOD

#9
20240280317
2024-08-22

SYSTEM FOR RECOVERING COMPRESSION ENERGY OF A GAS, LIQUEFIER COMPRISING SUCH A SYSTEM AND METHOD FOR RECOVERING COMPRESSION ENERGY OF A GAS

#10
20240255216
2024-08-01

METHOD AND PLANT FOR HYDROGEN LIQUEFACTION

#11
20240125545
2024-04-18

DEVICE AND METHOD FOR REFRIGERATING OR LIQUEFYING A FLUID

#12
20240118025
2024-04-11

DEVICE AND METHOD FOR REFRIGERATING OR LIQUEFYING A FLUID

#13
20240118024
2024-04-11

DEVICE AND METHOD FOR REFRIGERATION OR LIQUEFACTION OF A FLUID

#14
20240118023
2024-04-11

METHODS, APPARATUS, SYSTEMS, AND ARTICLES OF MANUFACTURE TO PRODUCE CRYO-COMPRESSED HYDROGEN

#15
20230258400
2023-08-17

Systems and Methods for Utilizing Boil-Off Gas for Supplemental Cooling in Natural Gas Liquefaction Plants

#16
20230119575
2023-04-20

Facility and method for hydrogen refrigeration

#17
20230025321
2023-01-26

CO2 SEPARATION & LIQUEFACTION SYSTEM AND METHOD

#18
20220373254
2022-11-24

Mixed refrigerant system and method

#19
20220333859
2022-10-20

Refrigeration device and system

#20
20220243982
2022-08-04

Compression and separation device and compression process

#21
20220187014
2022-06-16

Method of cooling boil off gas and an apparatus therefor

#22
20210285721
2021-09-16

LNG production with nitrogen removal

#23
20200309451
2020-10-01

CO2 separation and liquefaction system and method

#24
20200248962
2020-08-06

Mixed refrigerant system and method

#25
20200248961
2020-08-06

Compressing system, and gas compressing method

#26
20200224967
2020-07-16

Hydrocarbon distillation

#27
20200122084
2020-04-23

Multi-stage compression and component removal

#28
20190360747
2019-11-28

Industrial and hydrocarbon gas liquefaction

#29
20190151789
2019-05-23

Carbon dioxide capturing apparatus using cold heat of liquefied natural gas and power generation system using same

#30
20190063685
2019-02-28

Method for liquid air and gas energy storage

#31
20190063265
2019-02-28

Method for liquid air and gas energy storage

#32
20190001263
2019-01-03

Method for producing biomethane by purifying biogas from non-hazardous waste storage facilities and facility for implementing the method

#33
20180363976
2018-12-20

Booster system

#34
20180363852
2018-12-20

THERMOELECTRIC POWER GENERATING MODULE, AND THERMOELECTRIC POWER GENERATING DEVICE, ANTI-FREEZING VAPORIZER, AND VAPORIZED FUEL GAS LIQUEFACTION PROCESS DEVICE INCLUDING SAME

#35
20180356152
2018-12-13

System and method for enhanced argon recovery from a feed stream comprising hydrogen, methane, nitrogen and argon

#36
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

#37
20180259250
2018-09-13

Hydrocarbon distillation

#38
20180221807
2018-08-09

Method for liquid air energy storage with fueled and zero carbon emitting power output augmentation

#39
20180209726
2018-07-26

Method and system for separating carbon dioxide from flue gas

#40
20180187971
2018-07-05

Method for thermally assisted electric energy storage

#41
20180058753
2018-03-01

Methods and configurations for LNG liquefaction

#42
20180038642
2018-02-08

PROCESS INTEGRATION OF A GAS PROCESSING UNIT WITH LIQUEFACTION UNIT

#43
20180031315
2018-02-01

Carbon Dioxide Capture from Flu Gas

#44
20170368499
2017-12-28

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

#45
20170328631
2017-11-16

Natural gas liquefaction system

#46
20170268821
2017-09-21

System and method for enhanced argon recovery from a feed stream comprising hydrogen, methane, nitrogen and argon

#47
20170241707
2017-08-24

Method for the capture of carbon dioxide through cryogenically processing gaseous emissions from fossil-fuel power generation

#48
20170191752
2017-07-06

Air purification units

#49
20170167786
2017-06-15

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

#50
20170010043
2017-01-12

Mixed refrigerant system and method

#51
20160282042
2016-09-29

Industrial and hydrocarbon gas liquefaction

#52
20160123662
2016-05-05

Method and device for oxygen production by low-temperature separation of air at variable energy consumption

#53
20160018159
2016-01-21

Alkalinity control agent supply method and apparatus for compressor impurity separation mechanism

#54
20150283497
2015-10-08

Air compression system and method

#55
20150253076
2015-09-10

Method and apparatus for purifying a carbon dioxide-rich mixture at a low temperature

#56
20150078918
2015-03-19

Apparatus for compressing a wet gas flow

#57
20150047389
2015-02-19

Method and device for condensing a carbon dioxide-rich gas stream

#58
20140360201
2014-12-11

Method and apparatus for supplying a combustion chamber with nitrogen

#59
20140223960
2014-08-14

Method and device for generating two purified partial air streams

#60
20140033732
2014-02-06

Method and device for generating electrical energy

#61
20130312427
2013-11-28

Air compression system and method

#62
20130192228
2013-08-01

Process and device for air separation and steam generation in a combined system

#63
20130104525
2013-05-02

Integrated LNG gasification and power production cycle

#64
20120291434
2012-11-22

Method for recovering energy

#65
20120279255
2012-11-08

METHOD AND APPARATUS FOR COMPRESSING AND COOLING AIR

#66
20120237881
2012-09-20

Cryogenic air separation method and system

#67
20120216520
2012-08-30

Energy storage system using supercritical air

#68
20120100015
2012-04-26

Multi-stage compressor

#69
20120036888
2012-02-16

METHOD AND SYSTEM FOR THE SMALL-SCALE PRODUCTION OF LIQUIFIED NATURAL GAS (LNG) AND COLD COMPRESSED GAS (CCNG) FROM LOW-PRESSURE NATURAL GAS

#70
20120027627
2012-02-02

COMPRESSOR SYSTEM FOR A PROCESS GAS PLANT HAVING HEAT RETURN, AND THE PROCESS GAS PLANT FOR CARBON DIOXIDE GAS SEPARATION

#71
20110226010
2011-09-22

CARBON DIOXIDE CAPTURE FROM FLUE GAS

#72
20110167866
2011-07-14

SYSTEM AND METHOD FOR SEPARATING GASSES IN AN EXHAUST GAS

#73
20110146341
2011-06-23

GAS SUPPLY SYSTEM FOR GAS ENGINES

#74
20110030332
2011-02-10

System and method for liquid air production, power storage and power release

#75
20110000256
2011-01-06

System and method for liquid air production, power storage and power release

#76
20100275648
2010-11-04

EFFICIENTLY COMPRESSING NITROGEN IN A COMBINED CYCLE POWER PLANT

#77
20100126187
2010-05-27

Configurations and methods for offshore LNG regasification and heating value conditioning

#78
20100107684
2010-05-06

Natural gas liquefaction process

#79
20100000253
2010-01-07

METHOD AND APPARATUS FOR THE RELIQUEFACTION OF A VAPOUR

#80
20090293503
2009-12-03

System and method for liquid air production, power storage and power release

#81
20090293502
2009-12-03

System and method for liquid air production, power storage and power release

#82
20090113928
2009-05-07

Method and system for the small-scale production of liquified natural gas (LNG) from low-pressure gas

#83
20090100863
2009-04-23

System to cold compress an air stream using natural gas refrigeration

#84
20080245101
2008-10-09

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

#85
20080202158
2008-08-28

System And Method For Cooling A Bog Stream

#86
20080156035
2008-07-03

Process and Apparatus for the Liquefaction of Carbon Dioxide

#87
20080000352
2008-01-03

Air prepurification for cryogenic air separation

#88
20070122272
2007-05-31

Gas compressor, unit for separating a gas mixture incorporating such a compressor, and method of separating a gas mixture incorporating such a compressor

#89
20060225423
2006-10-12

Process to convert low grade heat source into power using dense fluid expander

#90
20050126220
2005-06-16

Systems and methods for vaporization of liquefied natural gas