ClassID:

160160

F25J3/0403 - 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; Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling of nitrogen

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
20230103843
2023-04-06

LOW-PRESSURE NITROGEN TURBINE WITH AIR BOOSTER PARALLEL TO THE BOOSTER AIR COMPRESSOR

#3
20220105477
2022-04-07

Controlled hydrolysis of hazardous silicon polymer residue

#4
20210071948
2021-03-11

Method and device for producing air product based on cryogenic rectification

#5
20190137173
2019-05-09

Method and System for Using a Target Gas Provided by a Gas Decomposition Device

#6
20180017322
2018-01-18

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

#7
20180017321
2018-01-18

METHOD FOR RECOVERING GASEOUS NITROGEN FROM THE WASTE NITROGEN STREAM OF AN AIR SEPARATION UNIT

#8
20170153058
2017-06-01

Method and device for the low-temperature separation of air at variable energy consumption

#9
20170131028
2017-05-11

Method and device for the low-temperature separation of air at variable energy consumption

#10
20140360201
2014-12-11

Method and apparatus for supplying a combustion chamber with nitrogen

#11
20100314888
2010-12-16

Integration Of An Air Separation Apparatus And of A Steam Reheating Cycle

#12
20100275648
2010-11-04

EFFICIENTLY COMPRESSING NITROGEN IN A COMBINED CYCLE POWER PLANT

#13
20100107662
2010-05-06

Reduction of diluent nitrogen compressor power using vapor absorption chiller

#14
20090100822
2009-04-23

Integrated gasification combined cycle and the control method

#15
20070122272
2007-05-31

Gas compressor, unit for separating a gas mixture incorporating such a compressor, and method of separating a gas mixture incorporating such a compressor

#16
20050211440
2005-09-29

Offshore nitrogen production and injection

#17
20050138960
2005-06-30

Cryogenic air separation system for producing elevated pressure nitrogen

#18
20050126220
2005-06-16

Systems and methods for vaporization of liquefied natural gas