ClassID:

160291

F25J3/04896 - 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 Details of columns, e.g. internals, inlet/outlet devices

Sub-classes:
Recent Application in this class:
#1
20230296314
2023-09-21

ARGON ENHANCING METHOD AND DEVICE

#2
20220373256
2022-11-24

DISTILLATION COLUMN CHAMBER AND METHOD FOR TRANSPORTING A DISTILLATION COLUMN

#3
20210190422
2021-06-24

Recovery of krypton and xenon from liquid oxygen

#4
20210180736
2021-06-17

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

#5
20200256616
2020-08-13

Annular divided wall column

#6
20200149810
2020-05-14

Annular divided wall column with ring shaped collectors and distributers

#7
20200149809
2020-05-14

Annular divided wall column

#8
20190063831
2019-02-28

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

#9
20190063830
2019-02-28

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

#10
20190063829
2019-02-28

Annular divided wall column for an air separation unit

#11
20190063828
2019-02-28

Annular divided wall column for an air separation unit

#12
20190049177
2019-02-14

Apparatus and method for separation of air by cryogenic distillation

#13
20190041130
2019-02-07

Method and device for separating air by cryogenic distillation

#14
20190041129
2019-02-07

Device and method for separating air by cryogenic distillation

#15
20180299199
2018-10-18

Apparatus and method for lowering a column section

#16
20180299198
2018-10-18

Method for installation of a cryogenic distillation apparatus

#17
20180299197
2018-10-18

Method for constructing a cold box module

#18
20180299196
2018-10-18

Apparatus for distillation at cryogenic temperatures

#19
20180038645
2018-02-08

Plant for producing oxygen by cryogenic air separation

#20
20170051971
2017-02-23

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

#21
20170023296
2017-01-26

Column for separating air by cryogenic distillation, air separation device comprising such a column and method for producing such a column

#22
20140165650
2014-06-19

HEAT EXCHANGER AND DISTILLATION COLUMN ARRANGEMENT

#23
20120240620
2012-09-27

METHOD AND DEVICE FOR GENERATING AN OXYGEN PRODUCT BY LOW-TEMPERATURE SEPARATION OF AIR

#24
20100115995
2010-05-13

AIR SEPARATION PROCESS USING CRYOGENIC DISTILLATION

#25
20100071410
2010-03-25

DISTILLATION PROCESS USING MICROCHANNEL TECHNOLOGY

#26
20070085227
2007-04-19

Multi-phase contacting process using microchannel technology

#27
20060016216
2006-01-26

Distillation process using microchannel technology

#28
20060016215
2006-01-26

Distillation process using microchannel technology