ClassID:

160278

F25J3/04818 - 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; Different modes, i.e. "runs" of operation Start-up of the process

Recent Application in this class:
#1
20250003679
2025-01-02

AIR SEPARATION SYSTEM AND AIR SEPARATION METHOD

#2
20240068746
2024-02-29

METHOD FOR RESTARTING AN AIR SEPARATION UNIT

#3
20220074657
2022-03-10

Method for starting up a cryogenic air separation unit and associated air separation unit

#4
20210404741
2021-12-30

Method for improved startup of an air separation unit having a falling film vaporizer

#5
20200080773
2020-03-12

CRYOGENIC AIR SEPARATION UNIT WITH FLEXIBLE LIQUID PRODUCT MAKE

#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
20170051971
2017-02-23

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

#10
20160161180
2016-06-09

Oxygen backup method and system

#11
20090129941
2009-05-21

METHOD FOR CONTROLLING A PUMP ARRANGEMENT, AND PUMP ARRANGEMENT

#12
20090084133
2009-04-02

Down-flow condenser reboiler system for use in an air separation plant

#13
20070193446
2007-08-23

Method of restarting feed air purifier

#14
20070186582
2007-08-16

Air-seperation apparatus, integrated air-separation and metal-production apparatus, and method of starting one such air-separation apparatus

#15
20060254312
2006-11-16

Method and installation for producing, in gaseous form and under high pressure, at least one fluid chosen from oxygen, argon and nitrogen by cryogenic distillation of air

#16
20060037357
2006-02-23

Process and system for obtaining a gaseous pressure product by the cryogenic separation of air

#17
20060000702
2006-01-05

Method for separating a krypton-xenon concentrate and a device for carrying out said method