ClassID:

160285

F25J3/0486 - 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; Safety aspects of operation of vaporisers for oxygen enriched liquids, e.g. purging of liquids

Recent Application in this class:
#1
20240183610
2024-06-06

METHOD AND PLANT FOR LOW TEMPERATURE FRACTIONATION OF AIR

#2
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

#3
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

#4
20200209113
2020-07-02

Apparatus for treating liquid to be analyzed

#5
20200191689
2020-06-18

METHOD FOR ANALYZING TRACES OF CONTAMINANTS OF A CRYOGENIC LIQUID

#6
20190049177
2019-02-14

Apparatus and method for separation of air by cryogenic distillation

#7
20190041130
2019-02-07

Method and device for separating air by cryogenic distillation

#8
20190041129
2019-02-07

Device and method for separating air by cryogenic distillation

#9
20170314852
2017-11-02

Method for controlling a coupled heat exchanger system and heat exchanger system

#10
20160356546
2016-12-08

Main heat exchange system and method for reboiling

#11
20160187060
2016-06-30

Method and device for discharging components that are less volatile than oxygen from an air separation plant

#12
20160123662
2016-05-05

Method and device for oxygen production by low-temperature separation of air at variable energy consumption

#13
20160061520
2016-03-03

Method for the cryogenic fractionation of air and air fractionation plant

#14
20160003531
2016-01-07

Method and device for generating gaseous compressed nitrogen

#15
20140223960
2014-08-14

Method and device for generating two purified partial air streams

#16
20140223959
2014-08-14

Method and device for the cryogenic decomposition of air

#17
20140053601
2014-02-27

Method and apparatus for separating air by cryogenic distillation

#18
20130133364
2013-05-30

Apparatus and process for separating air by cryogenic distillation

#19
20130042647
2013-02-21

Production Of High-Pressure Gaseous Nitrogen

#20
20120297823
2012-11-29

Method and appliance for separating air by cryogenic distillation

#21
20120144861
2012-06-14

Process and installation for producing high-pressure nitrogen

#22
20110214453
2011-09-08

PROCESS AND DEVICE FOR CRYOGENIC AIR FRACTIONATION

#23
20110139598
2011-06-16

DISTILLATION COLUMN WITH FIREBREAK DEVICE

#24
20100313600
2010-12-16

Method and apparatus for pressurized product production

#25
20100043490
2010-02-25

Method and apparatus for separating air

#26
20080289361
2008-11-27

Method and System for Treating an Oxygen-Rich Liquid Bath Collected at the Foot of a Cryogenic Distillation Column

#27
20060075778
2006-04-13

Method and system for treating an oxygen-rich liquid bath collected at the foot of a cryogenic distillation column