ClassID:

160446

F25J2230/24 - CPC Classification

Classification description:

Processes or apparatus involving steps for increasing the pressure of gaseous process streams Multiple compressors or compressor stages in parallel

Recent Application in this class:
#1
20250334332
2025-10-30

LIQUID NITROGEN GENERATOR AND PROCESS

#2
20250277618
2025-09-04

PROCESSES AND SYSTEMS FOR MONITORING AND CONTROLLING REFRIGERATION ENERGY COMSUMPTION

#3
20250180285
2025-06-05

INSTALLATION AND METHOD FOR PRODUCING LIQUEFIED HYDROGEN

#4
20250060154
2025-02-20

System and Method for Turndown of a Hydrogen Precooling and/or Hydrogen Liquefaction System

#5
20240418437
2024-12-19

Method of Hydrogen Liquefaction Using Optimized Claude Refrigeration Cycles

#6
20240401876
2024-12-05

PROCESS AND APPARATUS FOR THE RECOVERY OF BOIL-OFF GAS FROM THE LIQUEFACTION OF HYDROGEN

#7
20240219115
2024-07-04

DYNAMIC RATE LIMITER FOR LOAD SHARING APPLICATION

#8
20230115492
2023-04-13

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

#9
20230114229
2023-04-13

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

#10
20230113326
2023-04-13

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

#11
20230103843
2023-04-06

LOW-PRESSURE NITROGEN TURBINE WITH AIR BOOSTER PARALLEL TO THE BOOSTER AIR COMPRESSOR

#12
20230013885
2023-01-19

INTEGRATED MULTICOMPONENT REFRIGERANT AND AIR SEPARATION PROCESS FOR PRODUCING LIQUID OXYGEN

#13
20230009727
2023-01-12

METHOD FOR LARGE HYDROGEN LIQUEFACTION SYSTEM

#14
20220404094
2022-12-22

SYSTEM AND M ETHOD FOR SUPPLYING CRYOGENIC REFRIGERATION

#15
20220333858
2022-10-20

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS USING TWO DISTINCT REFRIGERATION CYCLES WITH AN INTEGRAL GEAR MACHINE

#16
20220333854
2022-10-20

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS USING TWO DISTINCT REFRIGERATION CYCLES WITH AN INTEGRAL GEAR MACHINE

#17
20220333853
2022-10-20

System and method to produce liquefied natural gas using a three pinion integral gear machine

#18
20220316796
2022-10-06

Method Of Cooling Boil Off Gas And An Apparatus Therefor

#19
20220196004
2022-06-23

GAS HANDLING SYSTEM AND METHOD FOR EFFICIENTLY MANAGING CHANGES IN GASEOUS CONDITIONS

#20
20220196003
2022-06-23

GAS HANDLING SYSTEM AND METHOD FOR EFFICIENTLY MANAGING CHANGES IN GASEOUS CONDITIONS

#21
20210348840
2021-11-11

METHOD FOR OPERATING A RELIQUEFACTION SYSTEM

#22
20210310731
2021-10-07

FLEXIBLE INSTALLATION OF A HYDROCARBON LIQUEFACTION UNIT

#23
20210222948
2021-07-22

Liquefaction apparatus

#24
20200232703
2020-07-23

System and method for removing freezing components from a feed gas

#25
20200208911
2020-07-02

METHOD FOR PRODUCING A METHANE-RICH STREAM AND A C2+ HYDROCARBON-RICH STREAM, AND ASSOCIATED EQUIPMENT

#26
20200182542
2020-06-11

Staged cryogenic storage type supercritical compressed air energy storage system and method

#27
20200149808
2020-05-14

AIR SEPARATION METHOD AND APPARATUS

#28
20190323769
2019-10-24

Mixed Refrigerant Liquefaction System and Method with Pre-Cooling

#29
20190234415
2019-08-01

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#30
20190234414
2019-08-01

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#31
20190234413
2019-08-01

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#32
20190204007
2019-07-04

System and method for removing freezing components from a feed gas

#33
20190203667
2019-07-04

Gas treatment system and vessel including the same

#34
20190003425
2019-01-03

System for supplying compressed gas to several gas-fed devices

#35
20180320637
2018-11-08

Gas processing system and vessel including the same

#36
20180216876
2018-08-02

APPARATUS AND METHOD FOR BOIL-OFF GAS RELIQUEFACTION

#37
20180180356
2018-06-28

Simplified method for producing a methane-rich stream and a C2+ hydrocarbon-rich fraction from a feed natural-gas stream, and associated facility

#38
20180010848
2018-01-11

AIR SEPARATION METHOD AND APPARATUS

#39
20180003430
2018-01-04

Mixed refrigerant liquefaction system and method

#40
20170191748
2017-07-06

Hydrocarbon condensate stabilizer and a method for producing a stabilized hydrocarbon condensate stream

#41
20170167786
2017-06-15

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

#42
20170051970
2017-02-23

Ethane recovery and ethane rejection methods and configurations

#43
20160370109
2016-12-22

Method for producing a flow rich in methane and a flow rich in C2hydrocarbons, and associated installation

#44
20160298898
2016-10-13

Mixed refrigerant liquefaction system and method

#45
20160231053
2016-08-11

Process and apparatus for producing gaseous oxygen by cryogenic distillation of air

#46
20160123662
2016-05-05

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

#47
20160040928
2016-02-11

Flexible liquefied natural gas plant

#48
20160033197
2016-02-04

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#49
20160033196
2016-02-04

Method for compressing an incoming feed air stream in a cryogenic air separation plant

#50
20150000335
2015-01-01

Method and apparatus for separating air by cryogenic distillation

#51
20140290307
2014-10-02

Method for producing a methane-rich stream and a C hydrocarbon-rich stream, and associated equipment

#52
20140238075
2014-08-28

Method for producing a flow which is rich in methane and a cut which is rich in Chydrocarbons from a flow of feed natural gas and an associated installation

#53
20140238074
2014-08-28

Refrigeration method and installation

#54
20140238070
2014-08-28

Refrigeration method and installation using parallel refrigerators/liquefiers

#55
20140161588
2014-06-12

Centrifugal compressor

#56
20140093396
2014-04-03

Gas compressor control system preventing vibration damage

#57
20130340473
2013-12-26

Method for producing a C+ hydrocarbon-rich fraction and a methane- and ethane-rich stream from a hydrocarbon-rich feed stream, and related facility

#58
20130255311
2013-10-03

Simplified method for producing a methane-rich stream and a C hydrocarbon-rich fraction from a feed natural-gas stream, and associated facility

#59
20130086940
2013-04-11

Air separation plant and process operating by cryogenic distillation

#60
20130014517
2013-01-17

Liquefier with pressure-controlled liquefaction chamber

#61
20120280436
2012-11-08

Method of integrating a blast furnace with an air gas separation unit

#62
20120174624
2012-07-12

METHOD FOR OPERATING AT LEAST ONE AIR SEPARATION APPARATUS AND OXYGEN CONSUMPTION UNIT

#63
20120167622
2012-07-05

METHOD AND FACILITY FOR PRODUCING OXYGEN THROUGH AIR DISTILLATION

#64
20120125044
2012-05-24

FEED COMPRESSION METHOD AND APPARATUS FOR AIR SEPARATION PROCESS

#65
20120100015
2012-04-26

Multi-stage compressor

#66
20120067080
2012-03-22

Mixed refrigerant compression circuit

#67
20120036892
2012-02-16

AIR SEPARATION METHOD AND APPARATUS

#68
20120036891
2012-02-16

AIR SEPARATION METHOD AND APPARATUS

#69
20110259046
2011-10-27

Process and apparatus for the separation of air by cryogenic distillation

#70
20110130883
2011-06-02

Method and apparatus for controlling a compressor and method of cooling a hydrocarbon stream

#71
20110126584
2011-06-02

METHOD AND APPARATUS FOR TREATING A HYDROCARBON STREAM AND METHOD OF COOLING A HYDROCARBON STREAM

#72
20110120186
2011-05-26

Method and device for producing air gases in a gaseous and liquid form with a high flexibility and by cryogenic distillation

#73
20110005273
2011-01-13

Method for producing a flow rich in methane and a flow rich in C hydrocarbons, and associated installation

#74
20100314888
2010-12-16

Integration Of An Air Separation Apparatus And of A Steam Reheating Cycle

#75
20100263407
2010-10-21

Method for producing a flow which is rich in methane and a cut which is rich in C2+ hydrocarbons from a flow of feed natural gas and an associated installation

#76
20100230872
2010-09-16

METHOD OF INTEGRATING A BLAST FURNACE WITH AN AIR GAS SEPARATION UNIT

#77
20100162754
2010-07-01

Method And Device For Separating A Mixture Of Hydrogen, Methane And Carbon Monoxide By Cryogenic Distillation

#78
20080163645
2008-07-10

NATURAL GAS PROCESSING METHOD

#79
20080115531
2008-05-22

Cryogenic Air Separation Process and Apparatus

#80
20070251267
2007-11-01

Cryogenic Air Separation Process

#81
20070193303
2007-08-23

Scalable capacity liquefied natural gas plant

#82
20050138960
2005-06-30

Cryogenic air separation system for producing elevated pressure nitrogen