ClassID:

160283

F25J3/04848 - 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 Control strategy, e.g. advanced process control or dynamic modeling

Recent Application in this class:
#1
20260146790
2026-05-28

METHOD FOR INCREASING PRODUCTION FLEXIBILITY OF AN AIR SEPARATION UNIT

#2
20260063360
2026-03-05

HIGH-PURITY OXYGEN PRODUCTION APPARATUS

#3
20250383144
2025-12-18

AIR SEPARATION METHOD AND PLANT

#4
20250236968
2025-07-24

SYSTEM AND METHOD FOR CONTROLLING COOLING OF AN ELECTROLYZER UNIT

#5
20250146746
2025-05-08

CRYOGENIC AIR RECTIFICATION SYSTEM, CONTROL UNIT, AIR SEPARATION UNIT AND METHOD OF CRYOGENICALLY SEPARATING AIR

#6
20250060158
2025-02-20

NITROGEN GENERATING DEVICE AND NITROGEN GENERATING METHOD

#7
20240377130
2024-11-14

LIQUEFIED GAS SUPPLY SYSTEM AND AIR SEPARATION UNIT COMPRISING SAME

#8
20240053098
2024-02-15

AIR SEPARATION UNIT

#9
20240011706
2024-01-11

METHOD FOR REGULATING A DEVICE FOR SEPARATING AIR BY CRYOGENIC DISTILLATION

#10
20230194163
2023-06-22

Evaluation method and system for assessing the estimate of energy consumption per tonne in distillation processes

#11
20230034842
2023-02-02

CARBON-BASED OXYGEN-ENRICHED COMBUSTION METHOD FOR RECIRCULATION OF FLUE GAS FROM CEMENT KILN

#12
20220253026
2022-08-11

Method for monitoring a process engineering installation, and process engineering installation

#13
20220243981
2022-08-04

METHOD FOR OPERATING A PROCESS PLANT

#14
20210404741
2021-12-30

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

#15
20210222949
2021-07-22

System for controlling an argon flow rate at the outlet of a distillation column

#16
20190162634
2019-05-30

Cryogenic liquid sampler

#17
20190113278
2019-04-18

Modelling of a distillation column with operating state changes

#18
20180328655
2018-11-15

Argon condensation system and method

#19
20180320962
2018-11-08

Argon condensation system and method

#20
20180257001
2018-09-13

Packed column

#21
20180003437
2018-01-04

Method for operating an air separation plant

#22
20180003435
2018-01-04

Apparatus for operating an air separation plant

#23
20180003434
2018-01-04

Apparatus for the production of air gases by the cryogenic separation of air

#24
20180003433
2018-01-04

Method for the production of air gases by the cryogenic separation of air

#25
20170205142
2017-07-20

Method for obtaining an air product in an air separation plant and air separation plant

#26
20170038140
2017-02-09

Process and apparatus for the low-temperature fractionation of air

#27
20160003539
2016-01-07

Argon condensation system and method

#28
20160003538
2016-01-07

Argon condensation system and method

#29
20130275175
2013-10-17

Methods for improved production and distribution

#30
20130153037
2013-06-20

Liquid distributor with a mixer

#31
20130053998
2013-02-28

Air separation plant control

#32
20120055331
2012-03-08

System and method for controlling an air separation unit

#33
20100211221
2010-08-19

Method For Controlling A Cryogenic Distillation Unit

#34
20080047298
2008-02-28

PROCESS AND APPARATUS FOR GENERATING A PRESSURIZED PRODUCT BY LOW-TEMPERATURE AIR FRACTIONATION

#35
20080041713
2008-02-21

METHOD AND APPARATUS FOR THE VARIABLE EXTRACTION OF A PRESSURIZED PRODUCT BY LOW-TEMPERATURE GAS FRACTIONATION

#36
20070186583
2007-08-16

Method of controlling liquid production utilizing an expert system controller

#37
20070038333
2007-02-15

Model predictive control having application to distillation

#38
20060244159
2006-11-02

Structured packing and use thereof

#39
20060225462
2006-10-12

Method of controlling liquid production utilizing an expert system controller

#40
20060190113
2006-08-24

Network production planning method

#41
20050137810
2005-06-23

Method of controlling production of a gaseous product

#42
20050072187
2005-04-07

Methods and systems for optimizing argon recovery in an air separation unit