ClassID:

160287

F25J3/04872 - 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; Construction and layout of air fractionation equipments, e.g. valves, machines Vertical layout of cold equipments within in the cold box, e.g. columns, heat exchangers etc.

Sub-classes:
Recent Application in this class:
#1
20240377129
2024-11-14

PLANT AND METHOD FOR LOW-TEMPERATURE AIR SEPARATION

#2
20240035746
2024-02-01

ENCLOSURE FOR A COLUMN FOR LOW-TEMPERATURE DISTILLATION

#3
20210222947
2021-07-22

Process integration for natural gas liquid recovery

#4
20210180736
2021-06-17

Apparatus for the separation or liquefaction of a gas operating at cryogenic temperatures

#5
20210164729
2021-06-03

Apparatus and process for liquefying gases

#6
20200318898
2020-10-08

Cryogenic air separation apparatus

#7
20200256616
2020-08-13

Annular divided wall column

#8
20200191478
2020-06-18

Cold box steel structure and method for prefabricating and transporting same

#9
20200149810
2020-05-14

Annular divided wall column with ring shaped collectors and distributers

#10
20200149809
2020-05-14

Annular divided wall column

#11
20200132368
2020-04-30

Apparatus for the distillation of air by cryogenic distillation

#12
20190368811
2019-12-05

Process and apparatus for separating air using a split heat exchanger

#13
20190186831
2019-06-20

Process integration for natural gas liquid recovery

#14
20190186830
2019-06-20

Process integration for natural gas liquid recovery

#15
20190186829
2019-06-20

PROCESS INTEGRATION FOR NATURAL GAS LIQUID RECOVERY

#16
20190186828
2019-06-20

Process integration for natural gas liquid recovery

#17
20190186827
2019-06-20

Process integration for natural gas liquid recovery

#18
20190186826
2019-06-20

Process integration for natural gas liquid recovery

#19
20190186825
2019-06-20

Process integration for natural gas liquid recovery

#20
20190186824
2019-06-20

Process integration for natural gas liquid recovery

#21
20190186823
2019-06-20

Process integration for natural gas liquid recovery

#22
20190186822
2019-06-20

Process integration for natural gas liquid recovery

#23
20190186821
2019-06-20

Process integration for natural gas liquid recovery

#24
20190186820
2019-06-20

Process integration for natural gas liquid recovery

#25
20190186819
2019-06-20

Process integration for natural gas liquid recovery

#26
20190186818
2019-06-20

Process integration for natural gas liquid recovery

#27
20190072325
2019-03-07

System and method for recovery of neon and helium from an air separation unit

#28
20190063831
2019-02-28

Annular divided wall column with ring shaped collectors and distributers for an air separation unit

#29
20190063830
2019-02-28

Annular divided wall column for an air separation unit having a ring shaped support grid

#30
20190063829
2019-02-28

Annular divided wall column for an air separation unit

#31
20190063828
2019-02-28

Annular divided wall column for an air separation unit

#32
20180335256
2018-11-22

Apparatus and process for liquefying gases

#33
20180209727
2018-07-26

STRUCTUAL SUPPORT ASSEMBLY FOR COLD BOX STRUCTURES IN AN AIR SEPARATION UNIT

#34
20180038645
2018-02-08

Plant for producing oxygen by cryogenic air separation

#35
20170205142
2017-07-20

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

#36
20160265841
2016-09-15

System and method for generation of oxygen by low-temperature air separation

#37
20160003537
2016-01-07

Air separation method and air separation apparatus

#38
20150369535
2015-12-24

Air separation plant, method for obtaining a product containing argon, and method for creating an air separation plant

#39
20150096327
2015-04-09

TRANSPORTABLE PACKAGE HAVING A COLD BOX, LOW-TEMPERATURE AIR SEPARATION PLANT AND METHOD FOR PRODUCING A LOW-TEMPERATURE AIR SEPARATION PLANT

#40
20140223959
2014-08-14

Method and device for the cryogenic decomposition of air

#41
20130086942
2013-04-11

Device for the cryogenic separation of air

#42
20120240621
2012-09-27

Device for the low-temperature separation of air

#43
20110146344
2011-06-23

Process and apparatus for the separation of air by cryogenic distillation

#44
20110146343
2011-06-23

Process and apparatus for the separation of air by cryogenic distillation

#45
20110138856
2011-06-16

SEPARATION METHOD AND APPARATUS

#46
20110138855
2011-06-16

Oxygen production method and apparatus

#47
20110023540
2011-02-03

Method and device for low-temperature air separation

#48
20100206004
2010-08-19

Main Exchange Line And Cryogenic Distillation Air Separation Unit Incorporating Such An Exchange Line

#49
20100139318
2010-06-10

Method And Device For Separating Air By Cryogenic Distillation

#50
20100037656
2010-02-18

Krypton and xenon recovery method

#51
20090211295
2009-08-27

ASSEMBLY OF HEAT EXCHANGERS AND A CRYOGENIC DISTILLATION APPARATUS INCORPORATING THE SAME

#52
20080271481
2008-11-06

Air Separating Device by Means of Cryogenic Distillation

#53
20070295027
2007-12-27

Plate-fin heat exchanger

#54
20070199344
2007-08-30

Compact cryogenic plant

#55
20070137248
2007-06-21

Method and apparatus for separating air by cryogenic distillation

#56
20070044506
2007-03-01

Process and arrangement for the backup supply of a pressurized gas through cryogenic liquid vaporization

#57
20060260358
2006-11-23

Gas separation liquefaction means and processes

#58
20060260357
2006-11-23

Apparatus for cryogenic air distillation

#59
17558524
2025-12-09

Apparatus and process for liquefying gases