ClassID:

160082

F25J1/0237 - 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; Coupling of the liquefaction unit to other units or processes, so-called integrated processes; Heat exchange integration integrating refrigeration provided for liquefaction and purification/treatment of the gas to be liquefied, e.g. heavy hydrocarbon removal from natural gas

Sub-classes:
Recent Application in this class:
#1
20250035374
2025-01-30

NATURAL GAS LIQUEFACTION AND PROCESSING USING GEOTHERMAL ENERGY

#2
20240410646
2024-12-12

SYSTEM AND METHOD FOR REMOVING NATURAL GAS LIQUIDS FROM RICH GAS

#3
20240310114
2024-09-19

LIQUEFACTOR AND METHOD FOR LIQUEFYING A GAS

#4
20240053094
2024-02-15

METHOD AND APPARATUS FOR LIQUEFYING HYDROGEN

#5
20230392860
2023-12-07

COMPACT SYSTEM AND METHOD FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS

#6
20230213278
2023-07-06

APPARATUS FOR PRECOOLING HYDROGEN FOR LIQUEFACTION USING EXTERNAL LIQUID NITROGEN AND HIGH PRESSURE GASEOUS NITROGEN

#7
20230213273
2023-07-06

INTEGRATED INDUSTRIAL UNIT

#8
20230085320
2023-03-16

INTEGRATED MULTI-FUNCTIONAL PIPELINE SYSTEM FOR DELIVERY OF CHILLED MIXTURES OF NATURAL GAS AND CHILLED MIXTURES OF NATURAL GAS AND NGLS

#9
20220404094
2022-12-22

SYSTEM AND M ETHOD FOR SUPPLYING CRYOGENIC REFRIGERATION

#10
20220196322
2022-06-23

System and method for removing natural gas liquids from rich gas

#11
20210199377
2021-07-01

Helium gas liquefier and method for liquefying helium gas

#12
20210088276
2021-03-25

Method for producing pure nitrogen from a natural gas stream containing nitrogen

#13
20210088275
2021-03-25

Pretreatment and pre-cooling of natural gas by high pressure compression and expansion

#14
20200200471
2020-06-25

Multi-product liquefaction method and system

#15
20200182542
2020-06-11

Staged cryogenic storage type supercritical compressed air energy storage system and method

#16
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

#17
20190257579
2019-08-22

INTEGRATED MULTI-FUNCTIONAL PIPELINE SYSTEM FOR DELIVERY OF CHILLED MIXTURES OF NATURAL GAS AND CHILLED MIXTURES OF NATURAL GAS AND NGLS

#18
20190078840
2019-03-14

Multi-product liquefaction method and system

#19
20180340730
2018-11-29

INTEGRATED MULTI-FUNCTIONAL PIPELINE SYSTEM FOR DELIVERY OF CHILLED MIXTURES OF NATURAL GAS AND CHILLED MIXTURES OF NATURAL GAS AND NGLS

#20
20180202713
2018-07-19

Method and system for cooling and separating a hydrocarbon stream

#21
20180100696
2018-04-12

Facility and method for producing liquid helium

#22
20180080710
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#23
20180080709
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#24
20180080708
2018-03-22

System and method for cryogenic purification of a feed stream comprising hydrogen, methane, nitrogen and argon

#25
20170350646
2017-12-07

Process for purifying natural gas and liquefying carbon dioxide

#26
20170307291
2017-10-26

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

#27
20150135767
2015-05-21

Systems and methods for hydrocarbon refrigeration with a mixed refrigerant cycle

#28
20140033763
2014-02-06

Heavy hydrocarbon removal from a natural gas stream

#29
20110048067
2011-03-03

Natural gas liquefaction method with high-pressure fractionation

#30
20110011127
2011-01-20

Process for controlling liquefied natural gas heating value

#31
20100307193
2010-12-09

METHOD AND APPARATUS FOR COOLING AND SEPARATING A HYDROCARBON STREAM

#32
20100192626
2010-08-05

Method and apparatus for liquefying a gaseous hydrocarbon stream

#33
20090301132
2009-12-10

Optimized heavies removal system in an LNG facility

#34
20090277218
2009-11-12

Method and apparatus for liquefying a natural gas stream

#35
20070012071
2007-01-18

LNG facility providing enhanced liquid recovery and product flexibility

#36
20060065014
2006-03-30

Method for recovering LPG boil off gas using LNG as a heat transfer medium