ClassID:

160092

F25J1/0249 - 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; Different modes, i.e. 'runs', of operation; Process control Controlling refrigerant inventory, i.e. composition or quantity

Sub-classes:
Recent Application in this class:
#1
20260139396
2026-05-21

Green Hydrogen Production Process (GHPP)

#2
20240093936
2024-03-21

REFRIGERANT SUPPLY TO A COOLING FACILITY

#3
20240085101
2024-03-14

REFRIGERANT CYCLE PRESSURE CONTROL SYSTEM FOR RELIQUEFACTION SYSTEM FOR SHIP

#4
20230272971
2023-08-31

SINGLE MIXED REFRIGERANT LNG PRODUCTION PROCESS

#5
20230136307
2023-05-04

Managing make-up gas composition variation for a high pressure expander process

#6
20220333857
2022-10-20

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

#7
20220205713
2022-06-30

Method and system for controlling refrigerant composition in case of gas tube leaks in a heat exchanger

#8
20210278130
2021-09-09

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

#9
20200079485
2020-03-12

Boil-off gas re-liquefying system

#10
20200064061
2020-02-27

Managing make-up gas composition variation for a high pressure expander process

#11
20200018543
2020-01-16

Method of refrigerant composition control in premixed refrigerant cycle of liquefied natural gas production

#12
20180320958
2018-11-08

Method of control of the natural gas liquefaction process

#13
20180209724
2018-07-26

Continuous mixed refrigerant optimization system for the production of liquefied natural gas (LNG)

#14
20180170507
2018-06-21

Ship

#15
20180170506
2018-06-21

Ship

#16
20180170505
2018-06-21

Ship with boil-off gas liquefaction system

#17
20180170504
2018-06-21

Ship

#18
20180058752
2018-03-01

Refrigerant recovery in natural gas liquefaction processes

#19
20180017320
2018-01-18

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

#20
20170292783
2017-10-12

Method of operating natural gas liquefaction facility

#21
20160102908
2016-04-14

Refrigerant recovery in natural gas liquefaction processes

#22
20150253070
2015-09-10

Refrigerant supply to a cooling facility

#23
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

#24
20130192301
2013-08-01

Method and system for air separation using a supplemental refrigeration cycle

#25
20130008204
2013-01-10

Refrigeration process

#26
20120289407
2012-11-15

Superconducting system for enhanced natural gas production

#27
20120103011
2012-05-03

METHOD AND APPARATUS FOR PRODUCING A COOLED HYDROCARBON STREAM

#28
20120079850
2012-04-05

Controlling liquefaction of natural gas

#29
20110277498
2011-11-17

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

#30
20110203312
2011-08-25

Method and system for optimized LNG production

#31
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

#32
20100326133
2010-12-30

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

#33
20100293996
2010-11-25

METHOD AND APPARATUS FOR LIQUEFYING A HYDROCARBON STREAM AND FLOATING VESSEL OR OFFSHORE PLATFORM COMPRISING THE SAME

#34
20100236286
2010-09-23

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

#35
20100058803
2010-03-11

System for incondensable component separation in a liquefied natural gas facility

#36
20090301108
2009-12-10

MULTI-REFRIGERANT COOLING SYSTEM WITH PROVISIONS FOR ADJUSTMENT OF REFRIGERANT COMPOSITION

#37
20090165472
2009-07-02

SYSTEM PERFORMANCE CORRECTION BY MODIFYING REFRIGERANT COMPOSITION IN A REFRIGERANT SYSTEM

#38
20090100844
2009-04-23

Apparatus and method for controlling temperature in a boil-off gas

#39
20090071190
2009-03-19

CLOSED CYCLE MIXED REFRIGERANT SYSTEMS

#40
20090025422
2009-01-29

Controlling Liquefaction of Natural Gas

#41
20080307826
2008-12-18

Apparatus and method for optimizing a natural gas liquefaction train having a nitrogen cooling loop

#42
20080115530
2008-05-22

Contaminant removal system for closed-loop refrigeration cycles of an LNG facility