ClassID:

160274

F25J3/04787 - 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 Heat exchange, e.g. main heat exchange line; Subcooler, external reboiler-condenser

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

AIR SEPARATION SYSTEM AND AIR SEPARATION METHOD

#2
20240353174
2024-10-24

DUAL TEMPERATURE LIQUID OXYGEN SUBCOOLING IN AN AIR SEPARATION UNIT

#3
20240053098
2024-02-15

AIR SEPARATION UNIT

#4
20230003446
2023-01-05

METHOD FOR OPERATING AN AIR SEPARATION PLANT, HAVING A DISTILLATION COLUMN SYSTEM, A HEAT EXCHANGER AND AN ADSORBER, AND AIR SEPARATION PLANT

#5
20220316811
2022-10-06

Method for operating a heat exchanger, arrangement with a heat exchanger, and system with a corresponding arrangement

#6
20220252345
2022-08-11

Method for operating a heat exchanger, arrangement with a heat exchanger, and system with a corresponding arrangement

#7
20220252344
2022-08-11

Air separation device and air separation method

#8
20210222947
2021-07-22

Process integration for natural gas liquid recovery

#9
20190186831
2019-06-20

Process integration for natural gas liquid recovery

#10
20190186830
2019-06-20

Process integration for natural gas liquid recovery

#11
20190186829
2019-06-20

PROCESS INTEGRATION FOR NATURAL GAS LIQUID RECOVERY

#12
20190186828
2019-06-20

Process integration for natural gas liquid recovery

#13
20190186827
2019-06-20

Process integration for natural gas liquid recovery

#14
20190186826
2019-06-20

Process integration for natural gas liquid recovery

#15
20190186825
2019-06-20

Process integration for natural gas liquid recovery

#16
20190186824
2019-06-20

Process integration for natural gas liquid recovery

#17
20190186823
2019-06-20

Process integration for natural gas liquid recovery

#18
20190186822
2019-06-20

Process integration for natural gas liquid recovery

#19
20190186821
2019-06-20

Process integration for natural gas liquid recovery

#20
20190186820
2019-06-20

Process integration for natural gas liquid recovery

#21
20190186819
2019-06-20

Process integration for natural gas liquid recovery

#22
20190186818
2019-06-20

Process integration for natural gas liquid recovery

#23
20190049177
2019-02-14

Apparatus and method for separation of air by cryogenic distillation

#24
20190041130
2019-02-07

Method and device for separating air by cryogenic distillation

#25
20190041129
2019-02-07

Device and method for separating air by cryogenic distillation

#26
20180149426
2018-05-31

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

#27
20170314852
2017-11-02

Method for controlling a coupled heat exchanger system and heat exchanger system

#28
20170205142
2017-07-20

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

#29
20160356546
2016-12-08

Main heat exchange system and method for reboiling

#30
20150120066
2015-04-30

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

#31
20110289964
2011-12-01

Separation method and apparatus

#32
20090129941
2009-05-21

METHOD FOR CONTROLLING A PUMP ARRANGEMENT, AND PUMP ARRANGEMENT

#33
20080245102
2008-10-09

Process and Apparatus for the Separation of Air by Cryogenic Distillation

#34
20080134718
2008-06-12

Separation method and apparatus

#35
20080041713
2008-02-21

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

#36
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

#37
20060169000
2006-08-03

Process and apparatus for the separation of air by cryogenic distillation