ClassID:

160300

F25J3/04963 - 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; Arrangements of multiple air fractionation units or multiple equipments fulfilling the same process step, e.g. multiple trains in a network and inter-connecting equipment within or downstream of the fractionation unit(s)

Recent Application in this class:
#1
20230168030
2023-06-01

PROCESS FOR CRYOGENIC FRACTIONATION OF AIR, AIR FRACTIONATION PLANT AND INTEGRATED SYSTEM COMPOSED OF AT LEAST TWO AIR FRACTIONATION PLANTS

#2
20220146196
2022-05-12

SYSTEM AND METHOD FOR FLEXIBLE RECOVERY OF ARGON FROM A CRYOGENIC AIR SEPARATION UNIT

#3
20220146195
2022-05-12

METHOD FOR FLEXIBLE RECOVERY OF ARGON FROM A CRYOGENIC AIR SEPARATION UNIT

#4
20200208912
2020-07-02

Heat exchanger assembly and method for assembling same

#5
20190204009
2019-07-04

System and method for flexible recovery of argon from a cryogenic air separation unit

#6
20170284735
2017-10-05

AIR SEPARATION REFRIGERATION SUPPLY METHOD

#7
20170051971
2017-02-23

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

#8
20160298900
2016-10-13

Process and apparatus for separating air by cryogenic distillation

#9
20160161180
2016-06-09

Oxygen backup method and system

#10
20130269387
2013-10-17

Process and apparatus for the separation of air by cryogenic distillation

#11
20130167557
2013-07-04

POWER PLANT

#12
20120174624
2012-07-12

METHOD FOR OPERATING AT LEAST ONE AIR SEPARATION APPARATUS AND OXYGEN CONSUMPTION UNIT

#13
20110146344
2011-06-23

Process and apparatus for the separation of air by cryogenic distillation

#14
20110138856
2011-06-16

SEPARATION METHOD AND APPARATUS

#15
20110138855
2011-06-16

Oxygen production method and apparatus

#16
20100071412
2010-03-25

Method and apparatus for producing high purity oxygen

#17
20100058805
2010-03-11

Air separation refrigeration supply method

#18
20100043490
2010-02-25

Method and apparatus for separating air

#19
20090129941
2009-05-21

METHOD FOR CONTROLLING A PUMP ARRANGEMENT, AND PUMP ARRANGEMENT

#20
20080011015
2008-01-17

System and apparatus for providing low pressure and low purity oxygen

#21
20070186583
2007-08-16

Method of controlling liquid production utilizing an expert system controller

#22
20070101763
2007-05-10

Method and installation for the provision of gas under pressure

#23
20060225462
2006-10-12

Method of controlling liquid production utilizing an expert system controller