ClassID:

160115

F25J1/0278 - 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 adapted for special use of the liquefaction unit, e.g. portable or transportable devices; Offshore use, e.g. during shipping Unit being stationary, e.g. on floating barge or fixed platform

Recent Application in this class:
#1
20250230975
2025-07-17

INTEGRATED LIQUEFIED NATURAL GAS (LNG) PRODUCTION FACILITY ON A GRAVITY-BASED STRUCTURE (GBS)

#2
20250155192
2025-05-15

APPARATUS AND SYSTEMS FOR LIQUEFACTION OF NATURAL GAS

#3
20250052492
2025-02-13

SYSTEM AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS

#4
20250052491
2025-02-13

APPARATUS AND SYSTEMS FOR LIQUEFACTION OF NATURAL GAS

#5
20240271864
2024-08-15

Systems for liquefaction of natural gas

#6
20240263870
2024-08-08

Methods of manufacturing apparatus and systems for liquefaction of natural gas

#7
20240219112
2024-07-04

Apparatus and systems for liquefaction of natural gas

#8
20240191940
2024-06-13

Apparatus and systems for liquefaction of natural gas

#9
20230417482
2023-12-28

POWER GENERATION PROCESS UTILIZING FUEL, LIQUID AIR AND/OR OXYGEN WITH ZERO CO2 EMISSIONS

#10
20230408192
2023-12-21

POWER GENERATION PROCESS UTILIZING FUEL, LIQUID AIR AND/OR OXYGEN WITH ZERO CO2 EMISSIONS

#11
20230341180
2023-10-26

METHOD AND DEVICE FOR MANUFACTURING LIQUID HYDROGEN BY OFFSHORE OFF-GRID SUPERCONDUCTING WIND TURBINE

#12
20230204284
2023-06-29

Mixed refrigerants in LNG cascade

#13
20220290918
2022-09-15

Natural gas liquefying apparatus

#14
20210080173
2021-03-18

Liquefaction apparatus, methods, and systems

#15
20200317305
2020-10-08

Offshore facility, floating crude oil production facility and method for generating liquefied natural gas

#16
20200149805
2020-05-14

Heat exchanger system with mono-cyclone inline separator

#17
20200124345
2020-04-23

Large scale coastal liquefaction

#18
20190382083
2019-12-19

Device for coupling two boats

#19
20190316856
2019-10-17

Liquid drains in core-in-shell heat exchanger

#20
20190310015
2019-10-10

DEVICE AND METHOD FOR LIQUEFYING A NATURAL GAS AND SHIP COMPRISING SUCH A DEVICE

#21
20190310013
2019-10-10

Method for liquefying natural gas and for recovering possible liquids from the natural gas, comprising two refrigerant cycles semi-open to the natural gas and a refrigerant cycle closed to the refrigerant gas

#22
20190285340
2019-09-19

Method and system for liquefaction of natural gas using liquid nitrogen

#23
20190072324
2019-03-07

System for utilizing carbon dioxide of flue gas captured by cold heat of liquefied natural gas

#24
20190055887
2019-02-21

Modular gas turbine system

#25
20190041127
2019-02-07

Full turbomachinery module for LNG plants or the like

#26
20180231303
2018-08-16

Pre-Cooling of Natural Gas by High Pressure Compression and Expansion

#27
20180224204
2018-08-09

LNG production plant and corresponding method of construction

#28
20180202610
2018-07-19

Process for expansion and storage of a flow of liquefied natural gas from a natural gas liquefaction plant, and associated plant

#29
20180120007
2018-05-03

Gas recovery system, compressor system, and refrigeration cycle system

#30
20180038555
2018-02-08

Floating liquefied natural gas pretreatment system

#31
20180038554
2018-02-08

Floating liquefied natural gas pretreatment system

#32
20170363350
2017-12-21

Floating liquefied natural gas commissioning system and method

#33
20170167787
2017-06-15

Method of natural gas liquefaction on LNG carriers storing liquid nitrogen

#34
20170016666
2017-01-19

Systems and methods for floating dockside liquefaction of natural gas

#35
20160313057
2016-10-27

Integrated methane refrigeration system for liquefying natural gas

#36
20160116209
2016-04-28

Floating liquefied-gas production facility

#37
20160046354
2016-02-18

Systems and methods for floating dockside liquefaction of natural gas

#38
20160010916
2016-01-14

Air-cooled modular LNG production facility

#39
20150316333
2015-11-05

Liquid drains in core-in-shell heat exchanger

#40
20150253072
2015-09-10

Floating liquefied natural gas commissioning system and method

#41
20150253069
2015-09-10

Heat exchanger system with mono-cyclone inline separator

#42
20150184930
2015-07-02

Method for liquefying a natural gas, including a phase change

#43
20150176765
2015-06-25

Integrated storage/offloading facility for an LNG production plant

#44
20150075216
2015-03-19

Floating LNG plant comprising a first and a second converted LNG carrier and a method for obtaining the floating LNG plant

#45
20150020542
2015-01-22

Underwater gas field development methods and systems

#46
20150020541
2015-01-22

Methods and systems for underwater gas pressurization and liquefaction

#47
20140366561
2014-12-18

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

#48
20140305160
2014-10-16

System and process for natural gas liquefaction

#49
20140150491
2014-06-05

Low global-warming refrigerants in LNG processing

#50
20140075943
2014-03-20

Method for operating fuel supply system for marine structure having reliquefaction apparatus and high-pressure natural gas injection engine

#51
20130283825
2013-10-31

Floating LNG plant

#52
20130239480
2013-09-19

Water intake riser assembly for an off-shore structure, and method of producing a liquefied hydrocarbon stream and method of producing a vaporous hydrocarbon stream

#53
20130213088
2013-08-22

Systems and methods for separating hydrocarbons using one or more dividing wall columns

#54
20130139526
2013-06-06

Floating liquefied natural gas pretreatment system

#55
20130008204
2013-01-10

Refrigeration process

#56
20120289407
2012-11-15

Superconducting system for enhanced natural gas production

#57
20120285656
2012-11-15

Offshore hydrocarbon cooling system

#58
20120047943
2012-03-01

Process for natural gas liquefaction

#59
20120047942
2012-03-01

METHOD, SYSTEM, AND PRODUCTION AND STORAGE FACILITY FOR OFFSHORE LPG and LNG PROCESSING OF ASSOCIATED GASES

#60
20120006053
2012-01-12

VORTEX-INDUCED VIBRATION (VIV) SUPPRESSION OF RISER ARRAYS

#61
20110297346
2011-12-08

Methods and Systems of Regenerative Heat Exchange

#62
20110277497
2011-11-17

METHOD AND APPARATUS FOR PROCESSING HYDROCARBON LIQUEFIED GAS

#63
20110265494
2011-11-03

Production of Liquefied Natural Gas

#64
20110226007
2011-09-22

FLOATING SYSTEM FOR LIQUEFYING NATURAL GAS

#65
20110182698
2011-07-28

SYSTEMS AND METHODS FOR OFFSHORE NATURAL GAS PRODUCTION, TRANSPORTATION AND DISTRIBUTION

#66
20110174016
2011-07-21

Apparatus and process for treating offshore natural gas

#67
20110126451
2011-06-02

INTEGRATED PROCESS FOR CONVERTING NATURAL GAS FROM AN OFFSHORE FIELD SITE TO LIQUEFIED NATURAL GAS AND LIQUID FUEL

#68
20110113825
2011-05-19

DUAL NITROGEN EXPANSION PROCESS

#69
20110067440
2011-03-24

Method of cooling and liquefying a hydrocarbon stream, an apparatus therefor, and a floating structure, caisson or off-shore platform comprising such an apparatus

#70
20100293996
2010-11-25

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

#71
20100281915
2010-11-11

Pre-Cooled Liquefaction Process

#72
20100263406
2010-10-21

METHOD AND APPARATUS FOR COOLING AND LIQUEFYING A HYDROCARBON STREAM

#73
20100251763
2010-10-07

Apparatus and Methods for Natural Gas Transportation and Processing

#74
20100236286
2010-09-23

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

#75
20100212354
2010-08-26

METHOD OF DISPOSING OF CARBON DIOXIDE

#76
20100206573
2010-08-19

METHOD AND APPARATUS FOR COOLING A GASEOUS HYDROCARBON STREAM

#77
20100175862
2010-07-15

BRAZED ALUMINUM HEAT EXCHANGER WITH SPLIT CORE ARRANGEMENT

#78
20100175425
2010-07-15

METHODS AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS AND PRODUCTS THEREFROM

#79
20100175424
2010-07-15

METHODS AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS AND PRODUCTS THEREFROM

#80
20100175423
2010-07-15

METHODS AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS AND PRODUCTS THEREFROM

#81
20100154470
2010-06-24

Method and system for producing liquefied natural gas (LNG)

#82
20100132405
2010-06-03

Method and system for producing LNG

#83
20100126214
2010-05-27

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

#84
20100107684
2010-05-06

Natural gas liquefaction process

#85
20100012015
2010-01-21

Storage tank containing liquefied natural gas with butane

#86
20100000251
2010-01-07

METHOD AND APPARATUS FOR LIQUEFYING A HYDROCARBON STREAM

#87
20090314030
2009-12-24

Method and apparatus for liquefying a hydrocarbon stream

#88
20090208294
2009-08-20

APPARATUS FOR OFF-SHORE PROCESSING OF A HYDROCARBON STREAM

#89
20090205365
2009-08-20

METHOD AND APPARATUS FOR LIQUEFYING A NATURAL GAS STREAM

#90
20090199759
2009-08-13

Storage tank containing liquefied natural gas with butane

#91
20090199591
2009-08-13

LIQUEFIED NATURAL GAS WITH BUTANE AND METHOD OF STORING AND PROCESSING THE SAME

#92
20090113928
2009-05-07

Method and system for the small-scale production of liquified natural gas (LNG) from low-pressure gas

#93
20090095017
2009-04-16

FLOATING HYDROCARBON TREATING PLANT

#94
20080148770
2008-06-26

Process to obtain liquefied natural gas

#95
20080127673
2008-06-05

Lng Transportation Vessel and Method For Transporting Hydrocarbons

#96
20080006053
2008-01-10

Natural Gas Liquefaction Process

#97
20070186564
2007-08-16

Apparatus for cryogenic fluids having floating liquefaction unit and floating regasification unit connected by shuttle vessel, and cryogenic fluid methods

#98
20060196226
2006-09-07

Method and system for condensation of unprocessed well stream from offshore gas or gas condensate field

#99
20060137590
2006-06-29

Vessel with deep water transfer system

#100
20060010911
2006-01-19

Apparatus for cryogenic fluids having floating liquefaction unit and floating regasification unit connected by shuttle vessel, and cryogenic fluid methods

#101
20060010910
2006-01-19

Apparatus for cryogenic fluids having floating liquefaction unit and floating regasification unit connected by shuttle vessel, and cryogenic fluid methods

#102
20060000615
2006-01-05

Infrastructure-independent deepwater oil field development concept

#103
20050217314
2005-10-06

Apparatus and methods for processing hydrocarbons to produce liquified natural gas

#104
20050206239
2005-09-22

Floating power generation system

#105
20050172645
2005-08-11

Floating hydrocarbon treating plant

#106
20050005615
2005-01-13

Floating system for liquefying natural gas