ClassID:

160079

F25J1/0234 - CPC Classification

Classification description:

Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process; Coupling of the liquefaction unit to other units or processes, so-called integrated processes Integration with a cryogenic air separation unit

Recent Application in this class:
#1
20250297802
2025-09-25

SYSTEM AND METHOD FOR THE PRODUCTION AND SUPPLY OF A DENSIFIED LIQUID OXYGEN PRODUCT

#2
20250198696
2025-06-19

LIQUEFIED NATURAL GAS PRODUCTION FACILITY ON GRAVITY-BASED STRUCTURES

#3
20240328350
2024-10-03

LIQUID AIR POWER AND STORAGE

#4
20240288218
2024-08-29

METHOD FOR PRODUCTION AND SUPPLY OF A DENSIFIED LIQUID OXYGEN PRODUCT FOR SPACE VEHICLE APPLICATIONS

#5
20240230221
2024-07-11

SYSTEM AND METHOD FOR CO-PRODUCTION OF A DENSIFIED LIQUID OXYGEN PRODUCT AND DENSIFIED LIQUID METHANE PRODUCT

#6
20230417482
2023-12-28

POWER GENERATION PROCESS UTILIZING FUEL, LIQUID AIR AND/OR OXYGEN WITH ZERO CO2 EMISSIONS

#7
20230408192
2023-12-21

POWER GENERATION PROCESS UTILIZING FUEL, LIQUID AIR AND/OR OXYGEN WITH ZERO CO2 EMISSIONS

#8
20230408190
2023-12-21

INTEGRATED GAS COMPRESSION AND REFRIGERATION WITH INTERNAL COOLING REGENERATION

#9
20230314069
2023-10-05

FLEXIBLE ASU FOR VARIABLE ENERGY COST

#10
20230228485
2023-07-20

Photoelectric hydrogen production energy storage and cold energy recovery coupled dry ice production device and use method

#11
20230213278
2023-07-06

APPARATUS FOR PRECOOLING HYDROGEN FOR LIQUEFACTION USING EXTERNAL LIQUID NITROGEN AND HIGH PRESSURE GASEOUS NITROGEN

#12
20230082208
2023-03-16

OXYGEN LIQUEFIER DESIGN PHASING

#13
20230066063
2023-03-02

REFRIGERATION-INTEGRATED HYDROCARBON COLLECTION SYSTEM AND METHOD OF OPERATION

#14
20230013885
2023-01-19

INTEGRATED MULTICOMPONENT REFRIGERANT AND AIR SEPARATION PROCESS FOR PRODUCING LIQUID OXYGEN

#15
20220099364
2022-03-31

OFFSHORE LIQUEFACTION PROCESS WITHOUT COMPRESSION

#16
20220034584
2022-02-03

LARGE LIQUID OXYGEN AND LIQUEFIED NATURAL GAS PRODUCTION PROCESS

#17
20210222948
2021-07-22

Liquefaction apparatus

#18
20210164729
2021-06-03

Apparatus and process for liquefying gases

#19
20200400371
2020-12-24

COOLING SYSTEM

#20
20200182542
2020-06-11

Staged cryogenic storage type supercritical compressed air energy storage system and method

#21
20200132367
2020-04-30

Method and apparatus for air separation by cryogenic distillation

#22
20200095932
2020-03-26

LIQUID AIR POWER AND STORAGE

#23
20180372404
2018-12-27

Method for liquefying natural gas and nitrogen

#24
20180335256
2018-11-22

Apparatus and process for liquefying gases

#25
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

#26
20180142950
2018-05-24

LNG integration with cryogenic unit

#27
20180038644
2018-02-08

Method for liquefaction of industrial gas by integration of methanol plant and air separation unit

#28
20180038642
2018-02-08

PROCESS INTEGRATION OF A GAS PROCESSING UNIT WITH LIQUEFACTION UNIT

#29
20180038641
2018-02-08

Method for liquefaction of industrial gas by integration of methanol plant and air separation unit

#30
20180038638
2018-02-08

Integration of industrial gas site with liquid hydrogen production

#31
20170284735
2017-10-05

AIR SEPARATION REFRIGERATION SUPPLY METHOD

#32
20150345859
2015-12-03

CARBON DIOXIDE LIQUEFACTION DEVICE

#33
20150184590
2015-07-02

Liquid air power and storage

#34
20120174621
2012-07-12

CARBON DIOXIDE LIQUEFACTION SYSTEM

#35
20110132577
2011-06-09

System for the use of waste heat

#36
20110126451
2011-06-02

INTEGRATED PROCESS FOR CONVERTING NATURAL GAS FROM AN OFFSHORE FIELD SITE TO LIQUEFIED NATURAL GAS AND LIQUID FUEL

#37
20100251763
2010-10-07

Apparatus and Methods for Natural Gas Transportation and Processing

#38
20100058805
2010-03-11

Air separation refrigeration supply method

#39
20090282840
2009-11-19

ENERGY STORAGE AND GENERATION

#40
20090100863
2009-04-23

System to cold compress an air stream using natural gas refrigeration

#41
20080216512
2008-09-11

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

#42
20080000266
2008-01-03

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

#43
20070130992
2007-06-14

Cyrogenic Air Separation Process and Apparatus

#44
20060218967
2006-10-05

Integrated process and apparatus for the separation of air

#45
20060000615
2006-01-05

Infrastructure-independent deepwater oil field development concept

#46
20050132746
2005-06-23

Cryogenic air separation process and apparatus

#47
17558524
2025-12-09

Apparatus and process for liquefying gases