Patents-Review.com
ClassID:

160301 ⎘

F25J3/04969 - 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 Retrofitting or revamping of an existing air fractionation unit

Recent Application in this class:
#1
20250314424
2025-10-09

Apparatus and Process for Improved Argon Recovery

 #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
20190301796
2019-10-03

METHOD FOR CONSTRUCTING OR ALTERING A MATTER- AND/OR HEAT-EXCHANGE DEVICE

 #5
20190204009
2019-07-04

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

 #6
20190137174
2019-05-09

Element for construction of a mass- and/or heat-exchange device, assembly of two elements and exchange method using an assembly

 #7
20180149426
2018-05-31

Process for increasing low pressure pure nitrogen production by revamping original apparatus for cryogenic air separation

 #8
20170023296
2017-01-26

Column for separating air by cryogenic distillation, air separation device comprising such a column and method for producing such a column

 #9
20120280436
2012-11-08

Method of integrating a blast furnace with an air gas separation unit

 #10
20110138856
2011-06-16

SEPARATION METHOD AND APPARATUS

 #11
20110126585
2011-06-02

Krypton xenon recovery from pipeline oxygen

 #12
20100230872
2010-09-16

METHOD OF INTEGRATING A BLAST FURNACE WITH AN AIR GAS SEPARATION UNIT

 #13
20100132360
2010-06-03

Steam generation plant and method for operation and retrofitting of a steam generation plant

 #14
20100071412
2010-03-25

Method and apparatus for producing high purity oxygen

 #15
20100037656
2010-02-18

Krypton and xenon recovery method

 #16
20090320520
2009-12-31

NITROGEN LIQUEFIER RETROFIT FOR AN AIR SEPARATION PLANT

 #17
20090100864
2009-04-23

PROCESS TO COMPRESS AIR AND ITS USE IN AN AIR SEPARATION PROCESS AND SYSTEMS USING SAID PROCESSES

 #18
20080115531
2008-05-22

Cryogenic Air Separation Process and Apparatus

 #19
20080000266
2008-01-03

System to increase capacity of LNG-based liquefier in air separation process

 #20
20070251267
2007-11-01

Cryogenic Air Separation Process

 #21
20070209389
2007-09-13

Cryogenic air separation system for enhanced liquid production

 #22
20070199345
2007-08-30

Cryogenic air separation plant with reduced liquid drain loss

 #23
20070170624
2007-07-26

Method for renovating a combined blast furnace and air/gas separation unit system

 #24
20060213224
2006-09-28

Process and installation for the fractionation of air into specific gases

 #25
20050126220
2005-06-16

Systems and methods for vaporization of liquefied natural gas