ClassID:

160055

F25J1/0205 - 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 using a single-component refrigerant [SCR] fluid in a closed vapor compression cycle as a dual level SCR refrigeration cascade

Recent Application in this class:
#1
20250244075
2025-07-31

HYDROGEN COOLING

#2
20250146745
2025-05-08

LNG EXERGY OPTIMIZATION FOR SBCC

#3
20240318906
2024-09-26

HYDROGEN LIQUEFACTION SYSTEM AND HYDROGEN LIQUEFACTION METHOD

#4
20240310116
2024-09-19

DEVICE AND METHOD FOR LIQUEFYING A FLUID SUCH AS HYDROGEN AND/OR HELIUM

#5
20240255216
2024-08-01

METHOD AND PLANT FOR HYDROGEN LIQUEFACTION

#6
20240151464
2024-05-09

DEVICE AND METHOD FOR LIQUEFYING A FLUID SUCH AS HYDROGEN AND/OR HELIUM

#7
20240142170
2024-05-02

DEVICE AND METHOD FOR LIQUEFYING A FLUID SUCH AS HYDROGEN AND/OR HELIUM

#8
20240125547
2024-04-18

DEVICE AND METHOD FOR LIQUEFYING A FLUID SUCH AS HYDROGEN AND/OR HELIUM

#9
20240003618
2024-01-04

SYSTEM AND METHOD FOR RECONDENSING BOIL-OFF GAS FROM A LIQUEFIED NATURAL GAS TANK

#10
20230392859
2023-12-07

Cryogenic Gas Cooling System and Method

#11
20230213278
2023-07-06

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

#12
20230114229
2023-04-13

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

#13
20230085320
2023-03-16

INTEGRATED MULTI-FUNCTIONAL PIPELINE SYSTEM FOR DELIVERY OF CHILLED MIXTURES OF NATURAL GAS AND CHILLED MIXTURES OF NATURAL GAS AND NGLS

#14
20230003443
2023-01-05

Arctic cascade method for natural gas liquefaction in a high-pressure cycle with pre-cooling by ethane and sub-cooling by nitrogen, and a plant for its implementation

#15
20220333855
2022-10-20

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS USING TWO DISTINCT REFRIGERATION CYCLES WITH AN INTEGRAL GEAR MACHINE

#16
20220074652
2022-03-10

Natural gas liquefaction by a high pressure expansion process

#17
20210341222
2021-11-04

Process for enhanced closed-circuit cooling system

#18
20210231366
2021-07-29

SYSTEM AND METHOD FOR RECONDENSING BOIL-OFF GAS FROM A LIQUEFIED NATURAL GAS TANK

#19
20210140707
2021-05-13

Arctic cascade method for natural gas liquefaction in a high-pressure cycle with pre-cooling by ethane and sub-cooling by nitrogen, and a plant for its implementation

#20
20210048243
2021-02-18

Natural gas liquefaction device and natural gas liquefaction method

#21
20200232704
2020-07-23

Systems and methods for using multiple cryogenic hydraulic turbines

#22
20200217585
2020-07-09

Method and system for cooling a hydrocarbon stream

#23
20190101328
2019-04-04

Natural Gas Liquefaction by a High Pressure Expansion Process

#24
20190101327
2019-04-04

Natural Gas Liquefaction by a High Pressure Expansion Process

#25
20190041126
2019-02-07

Systems and methods for multi-stage refrigeration

#26
20180313604
2018-11-01

Hydrogen-neon mixture refrigeration cycle for large-scale hydrogen cooling and liquefaction

#27
20180292128
2018-10-11

Liquid natural gas liquefier utilizing mechanical and liquid nitrogen refrigeration

#28
20180231304
2018-08-16

Systems and methods for multi-stage refrigeration

#29
20180202713
2018-07-19

Method and system for cooling and separating a hydrocarbon stream

#30
20180180355
2018-06-28

Systems and methods for multi-stage refrigeration

#31
20170336138
2017-11-23

INTEGRATED PROCESS FOR NGL (NATURAL GAS LIQUIDS RECOVERY) AND LNG (LIQUEFACTION OF NATURAL GAS)

#32
20170284736
2017-10-05

System, apparatus and methods for a superduct based on a thermally reactive nosecone

#33
20170159978
2017-06-08

Systems and methods for multi-stage refrigeration

#34
20170003072
2017-01-05

Systems and methods for using multiple cryogenic hydraulic turbines

#35
20160131115
2016-05-12

Systems and methods of utilizing axial flow expanders

#36
20140305160
2014-10-16

System and process for natural gas liquefaction

#37
20140182331
2014-07-03

Integrated process for NGL (natural gas liquids recovery) and LNG (liquefaction of natural gas)

#38
20130269386
2013-10-17

Natural Gas Liquefaction With Feed Water Removal

#39
20120174621
2012-07-12

CARBON DIOXIDE LIQUEFACTION SYSTEM

#40
20120131950
2012-05-31

Arrangement for liquefying natural gas and method for starting said arrangement

#41
20120047943
2012-03-01

Process for natural gas liquefaction

#42
20110203312
2011-08-25

Method and system for optimized LNG production

#43
20110030332
2011-02-10

System and method for liquid air production, power storage and power release

#44
20100154470
2010-06-24

Method and system for producing liquefied natural gas (LNG)

#45
20100132405
2010-06-03

Method and system for producing LNG

#46
20100122551
2010-05-20

Liquefaction method and system

#47
20100083695
2010-04-08

PROCESS FOR LIQUEFYING HYDROGEN

#48
20090293538
2009-12-03

NATURAL GAS LIQUEFACTION

#49
20080028790
2008-02-07

Natural gas liquefaction

#50
20060065014
2006-03-30

Method for recovering LPG boil off gas using LNG as a heat transfer medium

#51
20050268649
2005-12-08

Natural gas liquefaction

#52
20050247078
2005-11-10

Natural gas liquefaction