ClassID:

160090

F25J1/0247 - 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 start-up of the process

Recent Application in this class:
#1
20260049761
2026-02-19

APPARATUS AND PROCESS FOR HYDROGEN RECYCLING TO AVOID LIQUEFIER SHUTDOWN DUE TO INSUFFICIENT FEED OF HYDROGEN

#2
20250237430
2025-07-24

LEAKAGE DETECTION SYSTEM OF RELIQUEFACTION SYSTEM FOR SHIP

#3
20240369294
2024-11-07

LIQUEFIED NATURAL GAS PRODUCTION UNIT AND START-UP METHOD OF A LIQUEFIED NATURAL GAS PRODUCTION UNIT TO MINIMIZE STORAGE CONTAMINATION

#4
20240019204
2024-01-18

OPERATING COMPRESSORS IN AN INDUSTRIAL FACILITY

#5
20230194161
2023-06-22

STANDALONE HIGH-PRESSURE HEAVIES REMOVAL UNIT FOR LNG PROCESSING

#6
20220074654
2022-03-10

Method to control the cooldown of main heat exchangers in liquefied natural gas plant

#7
20220074287
2022-03-10

Method for constructing and exploiting a hydrocarbons production facility, notably on an expanse of water, and associated exploitation facility

#8
20210396463
2021-12-23

Operation guidance searching method and operation guidance searching system

#9
20210364232
2021-11-25

PROCESS FOR SUPPLYING OXYGEN AND/OR NITROGEN AND ALSO ARGON TO A GEOGRAPHIC ZONE

#10
20210278130
2021-09-09

METHOD AND APPARATUS FOR COOLING DOWN A CRYOGENIC HEAT EXCHANGER AND METHOD OF LIQUEFYING A HYDROCARBON STREAM

#11
20210116173
2021-04-22

Standalone high-pressure heavies removal unit for LNG processing

#12
20210063082
2021-03-04

Thermodynamic system containing a fluid, and method for reducing pressure therein

#13
20200232704
2020-07-23

Systems and methods for using multiple cryogenic hydraulic turbines

#14
20190271501
2019-09-05

METHOD AND APPARATUS FOR COOLING DOWN A CRYOGENIC HEAT EXCHANGER

#15
20190032995
2019-01-31

Liquiefying a gaseous medium

#16
20190032854
2019-01-31

Liquiefying a gaseous medium

#17
20180245843
2018-08-30

SYSTEM AND METHOD FOR TREATING GAS RESULTING FROM THE EVAPORATION OF A CRYOGENIC LIQUID

#18
20180216879
2018-08-02

Method for starting and operating a plant for the liquefaction of a gaseous product

#19
20180202712
2018-07-19

Method for cooling a process flow

#20
20180017320
2018-01-18

METHOD AND APPARATUS FOR COOLING DOWN A CRYOGENIC HEAT EXCHANGER AND METHOD OF LIQUEFYING A HYDROCARBON STREAM

#21
20170363350
2017-12-21

Floating liquefied natural gas commissioning system and method

#22
20170292783
2017-10-12

Method of operating natural gas liquefaction facility

#23
20170003072
2017-01-05

Systems and methods for using multiple cryogenic hydraulic turbines

#24
20150253072
2015-09-10

Floating liquefied natural gas commissioning system and method

#25
20140075986
2014-03-20

Production of ethane for start-up of an LNG train

#26
20130291585
2013-11-07

Installation and method for producing liquid helium

#27
20130061632
2013-03-14

Integrated NGL Recovery In the Production Of Liquefied Natural Gas

#28
20130042645
2013-02-21

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

#29
20130036763
2013-02-14

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

#30
20120289407
2012-11-15

Superconducting system for enhanced natural gas production

#31
20120167616
2012-07-05

Pressure control of gas liquefaction system after shutdown

#32
20110226007
2011-09-22

FLOATING SYSTEM FOR LIQUEFYING NATURAL GAS

#33
20110126584
2011-06-02

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

#34
20100326133
2010-12-30

METHOD AND APPARATUS FOR COOLING DOWN A CRYOGENIC HEAT EXCHANGER AND METHOD OF LIQUEFYING A HYDROCARBON STREAM

#35
20100293996
2010-11-25

METHOD AND APPARATUS FOR LIQUEFYING A HYDROCARBON STREAM AND FLOATING VESSEL OR OFFSHORE PLATFORM COMPRISING THE SAME

#36
20100186446
2010-07-29

APPARATUS FOR THE LIQUEFACTION OF A GAS AND METHODS RELATING TO SAME

#37
20100126215
2010-05-27

Method For Cooling A Cryogenic Exchange Line

#38
20100126186
2010-05-27

METHOD AND APPARATUS FOR GENERATING A GASEOUS HYDROCARBON STREAM FROM A LIQUEFIED HYDROCARBON STREAM

#39
20090199579
2009-08-13

Process for cooling a storage container

#40
20090100844
2009-04-23

Apparatus and method for controlling temperature in a boil-off gas

#41
20090008340
2009-01-08

Method for Evaporating a Process Stream Comprising at Least Two Components

#42
20080016910
2008-01-24

Integrated NGL recovery in the production of liquefied natural gas

#43
20070107465
2007-05-17

APPARATUS FOR THE LIQUEFACTION OF GAS AND METHODS RELATING TO SAME

#44
20070017250
2007-01-25

Apparatus for the liquefaction of a gas and methods relating to same

#45
20060218939
2006-10-05

Apparatus for the liquefaction of natural gas and methods relating to same

#46
20060213223
2006-09-28

Apparatus for the liquefaction of natural gas and methods relating to same

#47
20050268648
2005-12-08

Enhanced operation of LNG facility equipped with refluxed heavies removal column

#48
20050086976
2005-04-28

Enhanced operation of LNG facility equipped with refluxed heavies removal column

#49
20050005615
2005-01-13

Floating system for liquefying natural gas