ClassID:

160409

F25J2215/40 - CPC Classification

Classification description:

Processes characterised by the type or other details of the product stream Air or oxygen enriched air, i.e. generally less than 30mol% of O

Recent Application in this class:
#1
20230314069
2023-10-05

FLEXIBLE ASU FOR VARIABLE ENERGY COST

#2
20220161197
2022-05-26

Apparatus and method for direct air capture of carbon dioxide from the atmosphere

#3
20210356205
2021-11-18

ENHANCEMENTS TO A MODERATE PRESSURE NITROGEN AND ARGON PRODUCING CRYOGENIC AIR SEPARATION UNIT

#4
20210140708
2021-05-13

CRYOGENIC RECTIFICATION PROCESS-BASED METHOD FOR PRODUCING AIR PRODUCT, AND AIR SEPARATION SYSTEM

#5
20210123671
2021-04-29

METHOD AND APPARATUS FOR SEPARATING AIR BY CRYOGENIC DISTILLATION

#6
20210121826
2021-04-29

Apparatus and method for direct air capture of carbon dioxide from the atmosphere

#7
20200158428
2020-05-21

Method for utilizing waste air to improve the capacity of an existing air separation unit

#8
20200158427
2020-05-21

Method for utilizing waste air to improve the capacity of an existing air separation unit

#9
20200149807
2020-05-14

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

#10
20200132368
2020-04-30

Apparatus for the distillation of air by cryogenic distillation

#11
20200080773
2020-03-12

CRYOGENIC AIR SEPARATION UNIT WITH FLEXIBLE LIQUID PRODUCT MAKE

#12
20190331419
2019-10-31

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

#13
20190331417
2019-10-31

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

#14
20180038644
2018-02-08

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

#15
20180038641
2018-02-08

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

#16
20180038638
2018-02-08

Integration of industrial gas site with liquid hydrogen production

#17
20160123663
2016-05-05

Air separation method

#18
20160123661
2016-05-05

Air separation apparatus

#19
20150226094
2015-08-13

Method and device for generating electrical energy

#20
20130000352
2013-01-03

AIR SEPARATION UNIT AND SYSTEMS INCORPORATING THE SAME

#21
20120227442
2012-09-13

System and method for cooling a solvent for gas treatment

#22
20120131952
2012-05-31

METHOD FOR RECOVERING A GASEOUS PRESSURE PRODUCT BY LOW-TEMPERATURE SEPARATION OF AIR

#23
20110226015
2011-09-22

Air separation method and apparatus

#24
20110197630
2011-08-18

Process and Apparatus for the Separation of Air by Cryogenic Distillation

#25
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

#26
20110120185
2011-05-26

METHODS FOR PRODUCING STERILE CRYOGENIC FLUIDS

#27
20110011130
2011-01-20

Method And Apparatus For The Production Of Gas From Air In Highly Flexible Gaseous And Liquid Form By Cryogenic Distillation

#28
20100192627
2010-08-05

Method and device for the cryogenic separation of a methane-rich flow

#29
20090282840
2009-11-19

ENERGY STORAGE AND GENERATION

#30
20090272264
2009-11-05

Compressed air producing method and producing plant

#31
20090194996
2009-08-06

Water combustion technology - methods, processes, systems and apparatus for the combustion of Hydrogen and Oxygen

#32
20090193781
2009-08-06

Water combustion technology- methods, processes, systems and apparatus for the combustion of hydrogen and oxygen

#33
20070130992
2007-06-14

Cyrogenic Air Separation Process and Apparatus

#34
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

#35
20060272353
2006-12-07

Process and apparatus for the separation of air by cryogenic distillation

#36
20050234278
2005-10-20

Integrating an air separation unit into an oxygenate-to-olefins reaction system

#37
20050198958
2005-09-15

Water combustion technology—methods, processes, systems and apparatus for the combustion of hydrogen and oxygen

#38
20050132746
2005-06-23

Cryogenic air separation process and apparatus