ClassID:

160449

F25J2230/40 - CPC Classification

Classification description:

Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being air

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

LIQUID NITROGEN GENERATOR AND PROCESS

#2
20250314424
2025-10-09

Apparatus and Process for Improved Argon Recovery

#3
20250297802
2025-09-25

SYSTEM AND METHOD FOR THE PRODUCTION AND SUPPLY OF A DENSIFIED LIQUID OXYGEN PRODUCT

#4
20250067507
2025-02-27

METHOD AND DEVICE FOR SEPARATING AIR BY CRYOGENIC DISTILLATION

#5
20250012222
2025-01-09

Gas turbine plant, method for operating same, and method for modifying same

#6
20240035741
2024-02-01

AIR SEPARATION UNIT AND METHOD FOR CRYOGENIC SEPARATION OF AIR USING A DISTILLATION COLUMN SYSTEM INCLUDING AN INTERMEDIATE PRESSURE KETTLE COLUMN

#7
20240035740
2024-02-01

AIR SEPARATION UNIT AND METHOD FOR CRYOGENIC SEPARATION OF AIR USING A DISTILLATION COLUMN SYSTEM INCLUDING AN INTERMEDIATE PRESSURE KETTLE COLUMN

#8
20230031323
2023-02-02

A METHOD AND A RELATIVE APPARATUS FOR PRODUCING LIQUIFIED GASES

#9
20220099367
2022-03-31

Chiller, air separation system, and related methods

#10
20220074657
2022-03-10

Method for starting up a cryogenic air separation unit and associated air separation unit

#11
20210364233
2021-11-25

Method and apparatus for separating air by cryogenic distillation

#12
20210348838
2021-11-11

SYSTEM AND METHOD FOR NATURAL GAS AND NITROGEN LIQUEFACTION WITH DIRECT DRIVE MACHINES FOR TURBINES AND BOOSTERS

#13
20200200473
2020-06-25

Method and apparatus for eliminating heat bumps following regeneration of adsorbers in an air separation unit

#14
20200182542
2020-06-11

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

#15
20200149808
2020-05-14

AIR SEPARATION METHOD AND APPARATUS

#16
20200149807
2020-05-14

System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit

#17
20190331418
2019-10-31

System and method for high recovery of nitrogen and argon from a moderate pressure cryogenic air separation unit

#18
20190331417
2019-10-31

System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit

#19
20190234415
2019-08-01

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

#20
20190234414
2019-08-01

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

#21
20190234413
2019-08-01

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

#22
20190063685
2019-02-28

Method for liquid air and gas energy storage

#23
20190049177
2019-02-14

Apparatus and method for separation of air by cryogenic distillation

#24
20190041130
2019-02-07

Method and device for separating air by cryogenic distillation

#25
20190041129
2019-02-07

Device and method for separating air by cryogenic distillation

#26
20180320957
2018-11-08

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

#27
20180306497
2018-10-25

Nitrogen production system for producing nitrogen with different purities and nitrogen production process thereof

#28
20180187971
2018-07-05

Method for thermally assisted electric energy storage

#29
20180038644
2018-02-08

Method for liquefaction of industrial gas by integration of methanol plant and air separation unit

#30
20180038641
2018-02-08

Method for liquefaction of industrial gas by integration of methanol plant and air separation unit

#31
20180010848
2018-01-11

AIR SEPARATION METHOD AND APPARATUS

#32
20180003437
2018-01-04

Method for operating an air separation plant

#33
20170211882
2017-07-27

PRODUCTION OF AN AIR PRODUCT IN AN AIR SEPARATION PLANT WITH COLD STORAGE UNIT

#34
20170205142
2017-07-20

Method for obtaining an air product in an air separation plant and air separation plant

#35
20170191752
2017-07-06

Air purification units

#36
20170115053
2017-04-27

Air separation system and method

#37
20170051971
2017-02-23

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

#38
20170030643
2017-02-02

Air separation apparatus

#39
20160356545
2016-12-08

GAS LIQUEFACTION METHOD AND SYSTEM

#40
20160231053
2016-08-11

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

#41
20160033197
2016-02-04

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

#42
20160033196
2016-02-04

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

#43
20150345857
2015-12-03

Air separation system and method

#44
20150000335
2015-01-01

Method and apparatus for separating air by cryogenic distillation

#45
20140223960
2014-08-14

Method and device for generating two purified partial air streams

#46
20140174123
2014-06-26

Air separation method and apparatus

#47
20140161588
2014-06-12

Centrifugal compressor

#48
20140093396
2014-04-03

Gas compressor control system preventing vibration damage

#49
20140001757
2014-01-02

Control system and method for power plant

#50
20130230412
2013-09-05

Solution for controlling a turbo compressor

#51
20130219959
2013-08-29

Process and apparatus for the separation of air by cryogenic distillation

#52
20130086940
2013-04-11

Air separation plant and process operating by cryogenic distillation

#53
20120280436
2012-11-08

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

#54
20120263605
2012-10-18

COMPRESSION METHOD AND AIR SEPARATION

#55
20120260693
2012-10-18

COMPRESSION METHOD AND AIR SEPARATION

#56
20120174624
2012-07-12

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

#57
20120167622
2012-07-05

METHOD AND FACILITY FOR PRODUCING OXYGEN THROUGH AIR DISTILLATION

#58
20120125044
2012-05-24

FEED COMPRESSION METHOD AND APPARATUS FOR AIR SEPARATION PROCESS

#59
20120118006
2012-05-17

Method and apparatus for separating air by cryogenic distillation

#60
20120100015
2012-04-26

Multi-stage compressor

#61
20120036892
2012-02-16

AIR SEPARATION METHOD AND APPARATUS

#62
20120036891
2012-02-16

AIR SEPARATION METHOD AND APPARATUS

#63
20110308276
2011-12-22

METHOD AND SYSTEM FOR PERIODIC COOLING, STORING, AND HEATING WITH MULTIPLE REGENERATORS

#64
20110259046
2011-10-27

Process and apparatus for the separation of air by cryogenic distillation

#65
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

#66
20100314888
2010-12-16

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

#67
20100230872
2010-09-16

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

#68
20100154432
2010-06-24

Method and system for operating a combined cycle power plant

#69
20100024640
2010-02-04

Adsorbent bed repressurization control method

#70
20090249830
2009-10-08

Process For Producing Variable Gaseous Nitrogen And Variable Gaseous Oxygen By Air Distillation

#71
20090241595
2009-10-01

DISTILLATION METHOD AND APPARATUS

#72
20090120129
2009-05-14

Method for varying liquid production in an air separation plant with use of a variable speed turboexpander

#73
20090013869
2009-01-15

PROCESS AND DEVICE FOR PRODUCING A PRESSURIZED GASEOUS PRODUCT BY LOW-TEMPERATURE SEPARATION OF AIR

#74
20080264061
2008-10-30

Modular air compression apparatus with separate platform arrangement

#75
20080115531
2008-05-22

Cryogenic Air Separation Process and Apparatus

#76
20070283719
2007-12-13

Air separation method

#77
20070251267
2007-11-01

Cryogenic Air Separation Process

#78
20070170624
2007-07-26

Method for renovating a combined blast furnace and air/gas separation unit system