F25J1/0257 - CPC Classification Index

ClassID:

160099 ⎘

F25J1/0257 - 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; Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used Construction and layout of liquefaction equipments, e.g. valves, machines

Sub-classes:

F25J1/0258 » {vertical layout of the equipments within in the cold box} 23
F25J1/0259 » {Modularity and arrangement of parts of the liquefaction unit and in particular of the cold box e.g. pre-fabrication, assembling and erection, dimensions, horizontal layout "plot"} 51
F25J1/0261 » {Details of cold box insulation, housing and internal structure } 15
F25J1/0262 » {Details of the cold heat exchange system } 128
F25J1/0269 » {Arrangement of liquefaction units or equipments fulfilling the same process step, e.g. multiple "trains" concept } 20
F25J1/0274 » {Retrofitting or revamping of an existing liquefaction unit} 25
F25J1/0275 » {adapted for special use of the liquefaction unit, e.g. portable or transportable devices} 31

Recent Application in this class:

20260126245

2026-05-07

SYSTEMS AND METHODS FOR ALIGNING SEQUENCES TO PERSONALIZED REFERENCES

20240060715

2024-02-22

LIQUEFACTION SYSTEM AND METHOD FOR CONTROLLING TURBINE INLET TEMPERATURE OF LIQUEFACTION SYSTEM

20230375259

2023-11-23

FACILITY AND METHOD FOR REFRIGERATION AND/OR LIQUEFACTION OF A FLUID

20230251030

2023-08-10

FACILITY AND METHOD FOR HYDROGEN REFRIGERATION

20230228485

2023-07-20

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

20220122830

2022-04-21

PROCESS COMPOSITION ANALYSIS VIA ONLINE MASS SPECTROMETRY

20220099366

2022-03-31

Active magnetic regenerative processes and systems employing hydrogen as heat transfer fluid and process

20220065528

2022-03-03

PROCESS AND APPARATUS FOR SUPPLYING A BACKUP GAS UNDER PRESSURE

20210388946

2021-12-16

Filling station for means of transport

#10

20210293475

2021-09-23

HELIUM CIRCULATION SYSTEM, CRYOGENIC REFRIGERATION METHOD, AND BIOMAGNETISM MEASURING APPARATUS

#11

20200292211

2020-09-17

Gas expansion system

#12

20200232704

2020-07-23

Systems and methods for using multiple cryogenic hydraulic turbines

#13

20200232703

2020-07-23

System and method for removing freezing components from a feed gas

#14

20200116426

2020-04-16

Method for constructing natural gas liquefaction plant

#15

20190204007

2019-07-04

System and method for removing freezing components from a feed gas

#16

20190093946

2019-03-28

Multiple pressure mixed refrigerant cooling process

#17

20190041124

2019-02-07

Integrated expander-motor compressor

#18

20180363976

2018-12-20

Booster system

#19

20180128543

2018-05-10

Method and controller for controlling a continuous process

#20

20180003430

2018-01-04

Mixed refrigerant liquefaction system and method

#21

20170307290

2017-10-26

LIQUEFACTION PROCESS FOR PRODUCING SUBCOOLED LNG

#22

20170146134

2017-05-25

Shut-Off Valve For Liquefied Natural Gas

#23

20170003072

2017-01-05

Systems and methods for using multiple cryogenic hydraulic turbines

#24

20160377340

2016-12-29

Liquefaction system using a turboexpander

#25

20160298899

2016-10-13

Quench system for a refrigeration cycle of a liquefied natural gas facility and method of quenching

#26

20160282041

2016-09-29

Liquefaction process for producing subcooled LNG

#27

20160268874

2016-09-15

Liquefaction system and power generation system

#28

20160131115

2016-05-12

Systems and methods of utilizing axial flow expanders

#29

20160003527

2016-01-07

SYSTEM AND METHOD FOR LIQUEFYING NATURAL GAS EMPLOYING TURBO EXPANDER

#30

20150020542

2015-01-22

Underwater gas field development methods and systems

#31

20150020541

2015-01-22

Methods and systems for underwater gas pressurization and liquefaction

#32

20140283938

2014-09-25

Three-way integrated Joule-Thomson valve and liquefied gas expander

#33

20140283549

2014-09-25

Method of gas expansion using liquefied gas expander and integrated Joule-Thomson valve

#34

20140216080

2014-08-07

Stabilizing control of a saturated cold gas stream

#35

20140053598

2014-02-27

Liquefier system

#36

20130333415

2013-12-19

Liquefaction process producing subcooled LNG

#37

20110271666

2011-11-10

Multistage liquefied gas expander with variable geometry hydraulic stages

#38

20100300144

2010-12-02

Liquefied gas expander and integrated Joule-Thomson valve

#39

20100263405

2010-10-21

Cryogenic Refrigeration Method And Device

#40

20100011663

2010-01-21

Method for liquefaction of natural gas

#41

20090229275

2009-09-17

COMPACT CONFIGURATION FOR CRYOGENIC PUMPS AND TURBINES

#42

20090183505

2009-07-23

PARALLEL FLOW CRYOGENIC LIQUIFIED GAS EXPANDERS

#43

20090031755

2009-02-05

Natural gas liquefaction process to extend lifetime of gas wells

#44

20080122226

2008-05-29

Compact assemblies for high efficiency performance of cryogenic liquefied gas expanders and pumps

#45

20060213222

2006-09-28

Compact, modular method and apparatus for liquefying natural gas