ClassID:

160128

F25J1/0294 - 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; Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc. Multiple compressor casings/strings in parallel, e.g. split arrangement

Recent Application in this class:
#1
20260146788
2026-05-28

Compressor-Energized Refrigerant Isolation Valves

#2
20240125543
2024-04-18

Reverse Brayton LNG production process

#3
20230272971
2023-08-31

SINGLE MIXED REFRIGERANT LNG PRODUCTION PROCESS

#4
20230115492
2023-04-13

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

#5
20230113326
2023-04-13

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

#6
20230013885
2023-01-19

INTEGRATED MULTICOMPONENT REFRIGERANT AND AIR SEPARATION PROCESS FOR PRODUCING LIQUID OXYGEN

#7
20230009727
2023-01-12

METHOD FOR LARGE HYDROGEN LIQUEFACTION SYSTEM

#8
20220333858
2022-10-20

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

#9
20220333854
2022-10-20

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

#10
20220333853
2022-10-20

System and method to produce liquefied natural gas using a three pinion integral gear machine

#11
20220290917
2022-09-15

Natural gas liquefying apparatus

#12
20220128298
2022-04-28

Methods and configurations for LNG liquefaction

#13
20220090854
2022-03-24

PROCESS FOR SUBCOOLING LIQUID STREAM WITH REFRIGERANT GAS

#14
20200232703
2020-07-23

System and method for removing freezing components from a feed gas

#15
20200079485
2020-03-12

Boil-off gas re-liquefying system

#16
20190271502
2019-09-05

Split refrigerant compressor for the liquefaction of natural gas

#17
20190204007
2019-07-04

System and method for removing freezing components from a feed gas

#18
20190195536
2019-06-27

Fluid cooling apparatus

#19
20190101329
2019-04-04

System for treating a gas deriving from the evaporation of a cryogenic liquid and supplying pressurized gas to a gas engine

#20
20190093947
2019-03-28

Multiple pressure mixed refrigerant cooling system

#21
20190093946
2019-03-28

Multiple pressure mixed refrigerant cooling process

#22
20190063825
2019-02-28

Method and system for LNG production using standardized multi-shaft gas turbines, compressors and refrigerant systems

#23
20190063807
2019-02-28

Helium management control system

#24
20190056174
2019-02-21

System for liquefying a gas

#25
20180347897
2018-12-06

Large-scale hydrogen liquefaction by means of a high pressure hydrogen refrigeration cycle combined to a novel single mixed-refrigerant precooling

#26
20180320957
2018-11-08

Low-temperature mixed-refrigerant for hydrogen precooling in large scale

#27
20180313604
2018-11-01

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

#28
20180306109
2018-10-25

Integrated power generation and compression train, and method

#29
20180216876
2018-08-02

APPARATUS AND METHOD FOR BOIL-OFF GAS RELIQUEFACTION

#30
20180180053
2018-06-28

Method for handling the shutdown of a turbomachine string in a liquefaction plant of a gaseous product

#31
20180170507
2018-06-21

Ship

#32
20180170506
2018-06-21

Ship

#33
20180170505
2018-06-21

Ship with boil-off gas liquefaction system

#34
20180170504
2018-06-21

Ship

#35
20180170503
2018-06-21

Ship

#36
20180148138
2018-05-31

BOIL-OFF GAS RE-LIQUEFYING SYSTEM

#37
20180100694
2018-04-12

Multiple pressure mixed refrigerant cooling process and system

#38
20180038643
2018-02-08

Method for the integration of liquefied natural gas and syngas production

#39
20180003430
2018-01-04

Mixed refrigerant liquefaction system and method

#40
20170350649
2017-12-07

Liquefied gas cooling apparatus

#41
20170307291
2017-10-26

Low pressure ethane liquefaction and purification from a high pressure liquid ethane source

#42
20170160009
2017-06-08

Gas liquefaction plant

#43
20170089637
2017-03-30

Parallel compression in LNG plants using a positive displacement compressor

#44
20160327333
2016-11-10

METHOD AND DEVICE FOR THE LIQUEFACTION OF A GASEOUS CO2 STREAM

#45
20160298898
2016-10-13

Mixed refrigerant liquefaction system and method

#46
20160054053
2016-02-25

Process for cooling a hydrocarbon-rich fraction

#47
20160040928
2016-02-11

Flexible liquefied natural gas plant

#48
20140245780
2014-09-04

Multi nitrogen expansion process for LNG production

#49
20140238074
2014-08-28

Refrigeration method and installation

#50
20140238070
2014-08-28

Refrigeration method and installation using parallel refrigerators/liquefiers

#51
20130133362
2013-05-30

Natural gas liquefaction process

#52
20130058800
2013-03-07

Parallel dynamic compressor arrangement and methods related thereto

#53
20130014517
2013-01-17

Liquefier with pressure-controlled liquefaction chamber

#54
20120067080
2012-03-22

Mixed refrigerant compression circuit

#55
20120047943
2012-03-01

Process for natural gas liquefaction

#56
20110277498
2011-11-17

METHOD AND APPARATUS FOR CONTROLLING A REGRIGERANT COMPRESSOR, AND USE THEREOF IN A METHOD OF COOLING A HYDROCARBON STREAM

#57
20110259045
2011-10-27

Power Matched Mixed Refrigerant Compression Circuit

#58
20110113825
2011-05-19

DUAL NITROGEN EXPANSION PROCESS

#59
20110067439
2011-03-24

METHOD AND SYSTEM FOR PRODUCTION OF LIQUID NATURAL GAS

#60
20100319396
2010-12-23

METHOD AND APPARATUS FOR LIQUEFYING HYDROCARBON STREAMS

#61
20100313597
2010-12-16

Method and system for production of liquid natural gas

#62
20100293997
2010-11-25

METHOD AND APPARATUS FOR COOLING AND/OR LIQUEFYING A HYDROCARBON STREAM

#63
20100236286
2010-09-23

Method and system for regulation of cooling capacity of a cooling system based on a gas expansion process

#64
20100212329
2010-08-26

BOIL-OFF GAS TREATMENT PROCESS AND SYSTEM

#65
20100154470
2010-06-24

Method and system for producing liquefied natural gas (LNG)

#66
20100132405
2010-06-03

Method and system for producing LNG

#67
20100126214
2010-05-27

Process for the production of a subcooled liquefied natural gas stream from a natural gas feed stream, and associated installation

#68
20100122551
2010-05-20

Liquefaction method and system

#69
20100101272
2010-04-29

PROCESS OF LIQUEFYING A GASEOUS METHANE-RICH FEED FOR OBTAINING LIQUID NATURAL GAS

#70
20090282862
2009-11-19

METHOD AND APPARATUS FOR PRODUCING A COOLED HYDROCARBON STREAM

#71
20090260367
2009-10-22

Multi-compressor string with multiple variable speed fluid drives

#72
20090232663
2009-09-17

Compressor-expander set critical speed avoidance

#73
20090217701
2009-09-03

Natural Gas Liquefaction Process for Ling

#74
20090188277
2009-07-30

METHOD AND APPARATUS FOR CONTROLLING A REFRIGERANT COMPRESSOR, AND METHOD FOR COOLING A HYDROCARBON STREAM

#75
20080289360
2008-11-27

Refrigerant Circuit

#76
20080127673
2008-06-05

Lng Transportation Vessel and Method For Transporting Hydrocarbons

#77
20070204649
2007-09-06

REFRIGERANT CIRCUIT

#78
20070193303
2007-08-23

Scalable capacity liquefied natural gas plant

#79
20070175240
2007-08-02

Method and apparatus for cooling a stream, in particular a hydrocarbon stream such as natural gas

#80
20070113584
2007-05-24

Optimized LNG system with liquid expander

#81
20060112726
2006-06-01

Modular LNG process

#82
20050279132
2005-12-22

LNG system with enhanced turboexpander configuration

#83
20050126219
2005-06-16

Refrigeration compression system with multiple inlet streams