ClassID:

160125

F25J1/029 - 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. Mechanically coupling of different refrigerant compressors in a cascade refrigeration system to a common driver

Recent Application in this class:
#1
20240125545
2024-04-18

DEVICE AND METHOD FOR REFRIGERATING OR LIQUEFYING A FLUID

#2
20240118025
2024-04-11

DEVICE AND METHOD FOR REFRIGERATING OR LIQUEFYING A FLUID

#3
20230129424
2023-04-27

SYSTEM AND METHOD TO PRODUCE LIQUEFIED NATURAL GAS

#4
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

#5
20220333855
2022-10-20

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

#6
20220155008
2022-05-19

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

#7
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

#8
20200003488
2020-01-02

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

#9
20190310015
2019-10-10

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

#10
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

#11
20190249921
2019-08-15

NATURAL GAS LIQUEFACTION SYSTEM INCLUDING AN INTEGRALLY-GEARED TURBO-COMPRESSOR

#12
20190145703
2019-05-16

MEHOD FOR GRADUAL SEALING OF A GAS

#13
20190072036
2019-03-07

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

#14
20190063825
2019-02-28

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

#15
20180335253
2018-11-22

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

#16
20180180053
2018-06-28

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

#17
20180051928
2018-02-22

System and method for liquefying natural gas with turbine inlet cooling

#18
20120131950
2012-05-31

Arrangement for liquefying natural gas and method for starting said arrangement

#19
20120067080
2012-03-22

Mixed refrigerant compression circuit

#20
20110259045
2011-10-27

Power Matched Mixed Refrigerant Compression Circuit

#21
20110209496
2011-09-01

SYSTEM FOR COMBINED CYCLE MECHANICAL DRIVE IN CRYOGENIC LIQUEFACTION PROCESSES

#22
20100293967
2010-11-25

COMPRESSOR SYSTEM AND METHOD FOR GAS LIQUEFACTION SYSTEM

#23
20100147024
2010-06-17

ALTERNATIVE PRE-COOLING ARRANGEMENT

#24
20090314030
2009-12-24

Method and apparatus for liquefying a hydrocarbon stream

#25
20090301131
2009-12-10

METHOD AND APPARATUS FOR TREATING A HYDROCARBON STREAM

#26
20090260367
2009-10-22

Multi-compressor string with multiple variable speed fluid drives

#27
20060225461
2006-10-12

Process for sub-cooling an LNG stream obtained by cooling by means of a first refrigeration cycle, and associated installation

#28
20050005635
2005-01-13

Plant and process for liquefying natural gas