ClassID:

160091

F25J1/0248 - 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; Operation; Control and regulation; Instrumentation; Different modes, i.e. 'runs', of operation; Process control Stopping of the process, e.g. defrosting or deriming, maintenance; Back-up mode or systems

Recent Application in this class:
#1
20260146787
2026-05-28

NATURAL GAS LETDOWN GENERATOR SYSTEM AND METHOD

#2
20240019204
2024-01-18

OPERATING COMPRESSORS IN AN INDUSTRIAL FACILITY

#3
20230131311
2023-04-27

Natural gas letdown generator system and method

#4
20230128794
2023-04-27

NATURAL GAS LETDOWN GENERATOR SYSTEM AND METHOD

#5
20220275999
2022-09-01

REFRIGERATION AND/OR LIQUEFACTION METHOD, DEVICE AND SYSTEM

#6
20220252345
2022-08-11

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

#7
20220155008
2022-05-19

Method and system for efficient nonsynchronous LNG production using large scale multi-shaft gas turbines

#8
20220065528
2022-03-03

PROCESS AND APPARATUS FOR SUPPLYING A BACKUP GAS UNDER PRESSURE

#9
20200232704
2020-07-23

Systems and methods for using multiple cryogenic hydraulic turbines

#10
20200056839
2020-02-20

Conserving mixed refrigerant in natural gas liquefaction facilities

#11
20190195555
2019-06-27

System and method for operating a liquefaction train

#12
20190032995
2019-01-31

Liquiefying a gaseous medium

#13
20180356151
2018-12-13

Methods and systems for enhancing production of liquefied natural gas

#14
20180335253
2018-11-22

Method and system for efficient nonsynchronous LNG production using large scale multi-shaft gas turbines

#15
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

#16
20180058752
2018-03-01

Refrigerant recovery in natural gas liquefaction processes

#17
20170350649
2017-12-07

Liquefied gas cooling apparatus

#18
20170003072
2017-01-05

Systems and methods for using multiple cryogenic hydraulic turbines

#19
20160102908
2016-04-14

Refrigerant recovery in natural gas liquefaction processes

#20
20150308734
2015-10-29

Liquefaction of a hydrocarbon-rich fraction

#21
20140366561
2014-12-18

Integrated cascade process for vaporization and recovery of residual LNG in a floating tank application

#22
20140000289
2014-01-02

Defroster for oxygen liquefier

#23
20130277021
2013-10-24

Cold Box Design for Core Replacement

#24
20130042645
2013-02-21

Method for turndown of a liquefied natural gas (LNG) plant

#25
20130036763
2013-02-14

Method for start-up of a liquefied natural gas (LNG) plant

#26
20120192590
2012-08-02

System and method for liquefying and storing a fluid

#27
20120180901
2012-07-19

SYTEM AND METHOD FOR LIQUEFYING AND STORING A FLUID

#28
20120180900
2012-07-19

SYTEM AND METHOD FOR LIQUEFYING AND STORING A FLUID

#29
20120180520
2012-07-19

System and method for liquefying and storing a fluid

#30
20120167616
2012-07-05

Pressure control of gas liquefaction system after shutdown

#31
20120047943
2012-03-01

Process for natural gas liquefaction

#32
20110226007
2011-09-22

FLOATING SYSTEM FOR LIQUEFYING NATURAL GAS

#33
20110197925
2011-08-18

Method and apparatus for deriming cryogenic equipment

#34
20110168377
2011-07-14

METHOD OF COOLING A HYDROCARBON STREAM AND AN APPARATUS THEREFOR

#35
20110126584
2011-06-02

METHOD AND APPARATUS FOR TREATING A HYDROCARBON STREAM AND METHOD OF COOLING A HYDROCARBON STREAM

#36
20110036543
2011-02-17

Method and system for deriming cryogenic heat exchangers

#37
20100293967
2010-11-25

COMPRESSOR SYSTEM AND METHOD FOR GAS LIQUEFACTION SYSTEM

#38
20100275616
2010-11-04

CRYOGENIC REFRIGERATOR AND CONTROL METHOD THEREFOR

#39
20090113932
2009-05-07

METHOD OF REMOVING SOLID CARBON DIOXIDE

#40
20060144079
2006-07-06

Method of removing solid carbon dioxide

#41
20060130519
2006-06-22

Small-scale gas liquefier

#42
20060000223
2006-01-05

Desiccant cartridge

#43
20050210915
2005-09-29

Method for liquefying a flow rich in hydrocarbons

#44
20050005615
2005-01-13

Floating system for liquefying natural gas