ClassID:

160272

F25J3/04775 - CPC Classification

Classification description:

Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air; Start-up or control of the process; Details of the apparatus used; Operation, control and regulation of the process; Instrumentation within the process Air purification and pre-cooling

Recent Application in this class:
#1
20250236968
2025-07-24

SYSTEM AND METHOD FOR CONTROLLING COOLING OF AN ELECTROLYZER UNIT

#2
20230027070
2023-01-26

Air separation apparatus, adsorber, and method

#3
20220196326
2022-06-23

Plant and process for aerial gas separation using a parallelepipedal adsorber

#4
20220099367
2022-03-31

Chiller, air separation system, and related methods

#5
20220065530
2022-03-03

System and method for separating air gases at low pressure

#6
20210199378
2021-07-01

METHOD AND APPARATUS FOR IMPROVING EFFICIENCY OF A FRONT-END PURIFICATION UNIT OF AN AIR SEPARATION PLANT

#7
20210095922
2021-04-01

Method for the production of air gases by the cryogenic separation of air with improved front end purification and air compression

#8
20210055049
2021-02-25

Utilization of nitrogen-enriched streams produced in air separation units comprising split-core main heat exchangers

#9
20200080773
2020-03-12

CRYOGENIC AIR SEPARATION UNIT WITH FLEXIBLE LIQUID PRODUCT MAKE

#10
20190049177
2019-02-14

Apparatus and method for separation of air by cryogenic distillation

#11
20190041130
2019-02-07

Method and device for separating air by cryogenic distillation

#12
20190041129
2019-02-07

Device and method for separating air by cryogenic distillation

#13
20180003436
2018-01-04

Method for the production of air gases by the cryogenic separation of air with variable liquid production and power usage

#14
20170276428
2017-09-28

Method for the production of air gases by the cryogenic separation of air with improved front end purification and air compression

#15
20160362298
2016-12-15

Helium enhanced heat transfer in adsorptive liquid or gas phase argon purification processes

#16
20160231053
2016-08-11

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

#17
20150000335
2015-01-01

Method and apparatus for separating air by cryogenic distillation

#18
20140338425
2014-11-20

Purification of air

#19
20140202208
2014-07-24

Method and device for separating a gas mixture by cryogenic distillation

#20
20120240621
2012-09-27

Device for the low-temperature separation of air

#21
20120118006
2012-05-17

Method and apparatus for separating air by cryogenic distillation

#22
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

#23
20100319371
2010-12-23

METHOD AND APPARATUS FOR DRYING COMPRESSED GASES

#24
20100175426
2010-07-15

Power Management For Gasification Facility

#25
20100024640
2010-02-04

Adsorbent bed repressurization control method

#26
20100011811
2010-01-21

Method and device for separating a gas mixture by cryogenic distillation

#27
20090038337
2009-02-12

Method for Regulating a Series of Apparatus for Separating Air by Cryogenic Distillation and Series of Apparatus for Separating Air Operating According to Said Method

#28
20070193446
2007-08-23

Method of restarting feed air purifier

#29
20060179878
2006-08-17

Process and device for cooling a gas by direct heat exchange with a cooling liquid

#30
20060156922
2006-07-20

Method and apparatus for treating a gas by adsorption in particular for purifying atomspheric air