ClassID:

160132

F25J1/0298 - 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. Safety aspects and control of the refrigerant compression system, e.g. anti-surge control

Recent Application in this class:
#1
20240418438
2024-12-19

GAS REPLACEMENT METHOD FOR EXPANDER OF CRYOCOOLER, CRYOCOOLER, AND GAS REPLACEMENT PIPE

#2
20240125548
2024-04-18

OIL-LUBRICATED CRYOCOOLER COMPRESSOR AND OPERATION METHOD THEREOF

#3
20240125545
2024-04-18

DEVICE AND METHOD FOR REFRIGERATING OR LIQUEFYING A FLUID

#4
20240118024
2024-04-11

DEVICE AND METHOD FOR REFRIGERATION OR LIQUEFACTION OF A FLUID

#5
20230272971
2023-08-31

SINGLE MIXED REFRIGERANT LNG PRODUCTION PROCESS

#6
20220390170
2022-12-08

Optimized natural gas production control system with actual flow and set point tracking features

#7
20220373254
2022-11-24

Mixed refrigerant system and method

#8
20220275999
2022-09-01

REFRIGERATION AND/OR LIQUEFACTION METHOD, DEVICE AND SYSTEM

#9
20220155008
2022-05-19

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

#10
20220090854
2022-03-24

PROCESS FOR SUBCOOLING LIQUID STREAM WITH REFRIGERANT GAS

#11
20210063082
2021-03-04

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

#12
20200248962
2020-08-06

Mixed refrigerant system and method

#13
20200041203
2020-02-06

Balancing power in split mixed refrigerant liquefaction system

#14
20200003489
2020-01-02

Method for air cooled, large scale, floating LNG production with liquefaction gas as only refrigerant

#15
20190285339
2019-09-19

Raw material gas liquefying device and method of controlling this raw material gas liquefying device

#16
20190195555
2019-06-27

System and method for operating a liquefaction train

#17
20190195536
2019-06-27

Fluid cooling apparatus

#18
20190072036
2019-03-07

Inlet air cooling system and inlet air cooling method for gas turbine

#19
20190063807
2019-02-28

Helium management control system

#20
20190040864
2019-02-07

Booster system

#21
20180335253
2018-11-22

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

#22
20180223856
2018-08-09

Compressor system with a cooling arrangement between the anti-surge valve and the compressor suction side and relevant method

#23
20180216879
2018-08-02

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

#24
20180180053
2018-06-28

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

#25
20180087809
2018-03-29

Refrigerator and operation method for refrigerator

#26
20170350649
2017-12-07

Liquefied gas cooling apparatus

#27
20170336071
2017-11-23

Equipment safety management device, equipment safety management method, and natural gas liquefaction device

#28
20170292783
2017-10-12

Method of operating natural gas liquefaction facility

#29
20170131026
2017-05-11

Method and system for producing a pressurized and at least partially condensed mixture of hydrocarbons

#30
20170122660
2017-05-04

De-superheater system and compression system employing such de-superheater system, and method of producing a pressurized and at least partially condensed mixture of hydrocarbons

#31
20170010043
2017-01-12

Mixed refrigerant system and method

#32
20160305709
2016-10-20

Liquefied gas treatment system

#33
20160298899
2016-10-13

Quench system for a refrigeration cycle of a liquefied natural gas facility and method of quenching

#34
20160109179
2016-04-21

Isolated power networks within an all-electric LNG plant and methods for operating same

#35
20150303855
2015-10-22

Variable speed drive system, method for operating a variable speed drive system and method for refrigerating a hydrocarbon stream

#36
20130091869
2013-04-18

Integral compressor-expander

#37
20130019632
2013-01-24

CONTROLLING A OXYGEN LIQUEFACTION SYSTEM RESPONSIVE TO A DISTURBANCE IN SUPPLIED POWER

#38
20120131950
2012-05-31

Arrangement for liquefying natural gas and method for starting said arrangement

#39
20110318160
2011-12-29

Turboexpander and method for using moveable inlet guide vanes at compressor inlet

#40
20110277498
2011-11-17

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

#41
20110239699
2011-10-06

Turbocompressor train and method for operation thereof and natural gas liquefaction plant having the turbocompressor train

#42
20110236226
2011-09-29

METHOD OF OPERATING A COMPRESSOR AND AN APPARATUS THEREFOR

#43
20110209496
2011-09-01

SYSTEM FOR COMBINED CYCLE MECHANICAL DRIVE IN CRYOGENIC LIQUEFACTION PROCESSES

#44
20110203312
2011-08-25

Method and system for optimized LNG production

#45
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

#46
20100326133
2010-12-30

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

#47
20100319356
2010-12-23

Gas turbine control apparatus and control method for generating an electric motor torque instruction based on the detected exhaust gas temperature

#48
20100281915
2010-11-11

Pre-Cooled Liquefaction Process

#49
20100257895
2010-10-14

METHOD FOR THE UNINTERRUPTED OPERATION OF A GAS LIQUEFACTION SYSTEM

#50
20100236286
2010-09-23

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

#51
20100223951
2010-09-09

METHOD AND APPARATUS FOR COOLING A HYDROCARBON STREAM

#52
20100186447
2010-07-29

METHOD AND APPARATUS FOR CONTROLLING THE TURNDOWN OF A COMPRESSOR FOR A GASEOUS HYDROCARBON STREAM

#53
20100135825
2010-06-03

Multiple electric motors driving a single compressor string

#54
20100011663
2010-01-21

Method for liquefaction of natural gas

#55
20090260367
2009-10-22

Multi-compressor string with multiple variable speed fluid drives

#56
20090232663
2009-09-17

Compressor-expander set critical speed avoidance

#57
20090188277
2009-07-30

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

#58
20090054191
2009-02-26

Dual end gear fluid drive starter

#59
20080170948
2008-07-17

Multi-stage compressor/driver system and method of operation

#60
20080056910
2008-03-06

Anti-bogdown control system for turbine/compressor systems

#61
20070204649
2007-09-06

REFRIGERANT CIRCUIT

#62
20060283206
2006-12-21

Method for efficient nonsynchronous LNG production

#63
20050022552
2005-02-03

Utilization of bogdown of single-shaft gas turbines to minimize relief flows in baseload LNG plants