F25J3/04854 - CPC Classification Index

ClassID:

160284 ⎘

F25J3/04854 - 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

Sub-classes:

F25J3/0486 » {of vaporisers for oxygen enriched liquids, e.g. purging of liquids} 27

Recent Application in this class:

20200056840

2020-02-20

COLD BOX STRUCTURE WITH COLD BOX PANELS PARTLY BUILT-IN AND INSTALLATION METHOD THEREFOR

20190242646

2019-08-08

Method and apparatus for obtaining pressurized nitrogen by cryogenic separation of air

20180306214

2018-10-25

SYSTEM FOR CONTROLLING A FLOW OF FLUID, FEEDING SYSTEM COMPRISING SUCH A CONTROL SYSTEM AND METHOD USING SUCH A FEEDING SYSTEM

20180017322

2018-01-18

Method and apparatus for producing compressed nitrogen and liquid nitrogen by cryogenic separation of air

20150120066

2015-04-30

System and method for preventing total plant shutdown due to low temperature excursion

20140338425

2014-11-20

Purification of air

20080216512

2008-09-11

Air separation process utilizing refrigeration extracted from LNG for production of liquid oxygen