ClassID:

160109

F25J1/0271 - 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; Arrangement of liquefaction units or equipments fulfilling the same process step, e.g. multiple "trains" concept Inter-connecting multiple cold equipments within or downstream of the cold box

Sub-classes:
Recent Application in this class:
#1
20220003496
2022-01-06

System and method of de-bottlenecking LNG trains

#2
20210172678
2021-06-10

METHOD FOR GENERATING REFRIGERATION FOR A CARBON MONOXIDE COLD BOX

#3
20210164729
2021-06-03

Apparatus and process for liquefying gases

#4
20200232704
2020-07-23

Systems and methods for using multiple cryogenic hydraulic turbines

#5
20200033054
2020-01-30

ADDITIONAL LIQUID NATURAL GAS PLANT AND METHOD OF OPERATING THEREOF

#6
20190242644
2019-08-08

Small-scale hydrogen liquefaction system equipped with cryocooler

#7
20190195554
2019-06-27

System and method of de-bottlenecking LNG trains

#8
20180335256
2018-11-22

Apparatus and process for liquefying gases

#9
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

#10
20170307291
2017-10-26

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

#11
20170003072
2017-01-05

Systems and methods for using multiple cryogenic hydraulic turbines

#12
20160281930
2016-09-29

Method and system for storage and transport of liquefied petroleum gases

#13
20160281929
2016-09-29

Method and system for storage and transport of liquefied petroleum gases

#14
20150143843
2015-05-28

Integration of a small scale liquefaction unit with an LNG plant to convert end flash gas and boil-off gas to incremental LNG

#15
20140238074
2014-08-28

Refrigeration method and installation

#16
20140238070
2014-08-28

Refrigeration method and installation using parallel refrigerators/liquefiers

#17
20130291585
2013-11-07

Installation and method for producing liquid helium

#18
20120011860
2012-01-19

Method and system for storage and transport of liquefied petroleum gases

#19
20100319396
2010-12-23

METHOD AND APPARATUS FOR LIQUEFYING HYDROCARBON STREAMS

#20
20100170297
2010-07-08

Liquefied gas reliquefier, liquefied-gas storage facility and liquefied-gas transport ship including the same, and liquefied-gas reliquefaction method

#21
20100071409
2010-03-25

METHOD AND APPARATUS FOR LIQUEFYING A HYDROCARBON STREAM

#22
20100031699
2010-02-11

Method and apparatus for liquefying a hydrocarbon stream

#23
20090282862
2009-11-19

METHOD AND APPARATUS FOR PRODUCING A COOLED HYDROCARBON STREAM

#24
20090232663
2009-09-17

Compressor-expander set critical speed avoidance

#25
20090229275
2009-09-17

COMPACT CONFIGURATION FOR CRYOGENIC PUMPS AND TURBINES

#26
20090183505
2009-07-23

PARALLEL FLOW CRYOGENIC LIQUIFIED GAS EXPANDERS

#27
20080156037
2008-07-03

Plant and Method for Liquefying Natural Gas

#28
20080156036
2008-07-03

Plant and Method for Liquefying Natural Gas

#29
20080148770
2008-06-26

Process to obtain liquefied natural gas

#30
20080134717
2008-06-12

METHOD AND APPARATUS FOR COOLING A HYDROCARBON STREAM

#31
20070193303
2007-08-23

Scalable capacity liquefied natural gas plant

#32
20060201853
2006-09-14

System for liquefying light hydrocarbon gas with a plurality of light hydrocarbon gas liquefaction trains

#33
20050005635
2005-01-13

Plant and process for liquefying natural gas

#34
17558524
2025-12-09

Apparatus and process for liquefying gases