ClassID:

160097

F25J1/0255 - 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; Operation; Control and regulation; Instrumentation controlling particular process parameter, e.g. pressure, temperature controlling the composition of the feed or liquefied gas, e.g. to achieve a particular heating value of natural gas

Recent Application in this class:
#1
20250389480
2025-12-25

NATURAL GAS LIQUIDS RECOVERY PLANT MANAGEMENT SYSTEMS AND METHODS

#2
20250020398
2025-01-16

SHIP BOIL-OFF GAS RELIQUEFACTION SYSTEM AND METHOD

#3
20230024241
2023-01-26

SOLVENT INJECTION FOR SOLIDS PREVENTION IN AN LNG PLANT

#4
20220333857
2022-10-20

Method and system for determining operating conditions of liquefied natural gas plant

#5
20220122830
2022-04-21

PROCESS COMPOSITION ANALYSIS VIA ONLINE MASS SPECTROMETRY

#6
20200200471
2020-06-25

Multi-product liquefaction method and system

#7
20190376741
2019-12-12

LNG PROCESS FOR VARIABLE PIPELINE GAS COMPOSITION

#8
20190271501
2019-09-05

METHOD AND APPARATUS FOR COOLING DOWN A CRYOGENIC HEAT EXCHANGER

#9
20190078840
2019-03-14

Multi-product liquefaction method and system

#10
20180202713
2018-07-19

Method and system for cooling and separating a hydrocarbon stream

#11
20170307290
2017-10-26

LIQUEFACTION PROCESS FOR PRODUCING SUBCOOLED LNG

#12
20170074583
2017-03-16

Method and system to control the methane mass flow rate for the production of liquefied methane gas (LMG)

#13
20160282041
2016-09-29

Liquefaction process for producing subcooled LNG

#14
20130333415
2013-12-19

Liquefaction process producing subcooled LNG

#15
20130291723
2013-11-07

Processes and apparatuses for preparing liquified natural gas

#16
20130192301
2013-08-01

Method and system for air separation using a supplemental refrigeration cycle

#17
20130061632
2013-03-14

Integrated NGL Recovery In the Production Of Liquefied Natural Gas

#18
20120090350
2012-04-19

Configurations and methods of heating value control in LNG liquefaction plant

#19
20110277497
2011-11-17

METHOD AND APPARATUS FOR PROCESSING HYDROCARBON LIQUEFIED GAS

#20
20110239701
2011-10-06

METHOD OF REJECTING NITROGEN FROM A HYDROCARBON STREAM TO PROVIDE A FUEL GAS STREAM AND AN APPARATUS THEREFOR

#21
20110056238
2011-03-10

Methods and configurations of boil-off gas handling in LNG regasification terminals

#22
20100154471
2010-06-24

Imported LNG treatment

#23
20100012015
2010-01-21

Storage tank containing liquefied natural gas with butane

#24
20100011663
2010-01-21

Method for liquefaction of natural gas

#25
20090199759
2009-08-13

Storage tank containing liquefied natural gas with butane

#26
20090199591
2009-08-13

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

#27
20090151391
2009-06-18

LNG FACILITY EMPLOYING A HEAVIES ENRICHING STREAM

#28
20080271480
2008-11-06

Intergrated Ngl Recovery and Lng Liquefaction

#29
20070012071
2007-01-18

LNG facility providing enhanced liquid recovery and product flexibility

#30
20050204625
2005-09-22

Fuel compositions comprising natural gas and synthetic hydrocarbons and methods for preparation of same