Patents-Review.com
ClassID:

160126 ⎘

F25J1/0291 - 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. Refrigerant compression by combined gas compression and liquid pumping

Recent Application in this class:
#1
20250164184
2025-05-22

Single Mixed Refrigerant LNG Production Process

 #2
20240377127
2024-11-14

Cryogenic Gas Cooling System and Method

 #3
20240255216
2024-08-01

METHOD AND PLANT FOR HYDROGEN LIQUEFACTION

 #4
20230067883
2023-03-02

Mixed refrigerant hydrogen liquefaction device and method of using same

 #5
20220373254
2022-11-24

Mixed refrigerant system and method

 #6
20220307731
2022-09-29

SYSTEM, METHOD AND APPARATUS FOR THE REGENERATION OF NITROGEN ENERGY WITHIN A CLOSED LOOP CRYOGENIC SYSTEM

 #7
20220290916
2022-09-15

HEAT EXCHANGER SYSTEM AND METHOD

 #8
20210222947
2021-07-22

Process integration for natural gas liquid recovery

 #9
20200318872
2020-10-08

Mixed refrigerant system and method

 #10
20200248962
2020-08-06

Mixed refrigerant system and method

 #11
20200200471
2020-06-25

Multi-product liquefaction method and system

 #12
20190368793
2019-12-05

A METHOD AND SYSTEM FOR REDUCING PROPANE CONTENT IN A REFRIGERANT CONTAINING PROPANE

 #13
20190242645
2019-08-08

Systems and methods for LNG production with propane and ethane recovery

 #14
20190186831
2019-06-20

Process integration for natural gas liquid recovery

 #15
20190186830
2019-06-20

Process integration for natural gas liquid recovery

 #16
20190186829
2019-06-20

PROCESS INTEGRATION FOR NATURAL GAS LIQUID RECOVERY

 #17
20190186828
2019-06-20

Process integration for natural gas liquid recovery

 #18
20190186827
2019-06-20

Process integration for natural gas liquid recovery

 #19
20190186826
2019-06-20

Process integration for natural gas liquid recovery

 #20
20190186825
2019-06-20

Process integration for natural gas liquid recovery

 #21
20190186824
2019-06-20

Process integration for natural gas liquid recovery

 #22
20190186823
2019-06-20

Process integration for natural gas liquid recovery

 #23
20190186822
2019-06-20

Process integration for natural gas liquid recovery

 #24
20190186821
2019-06-20

Process integration for natural gas liquid recovery

 #25
20190186820
2019-06-20

Process integration for natural gas liquid recovery

 #26
20190186819
2019-06-20

Process integration for natural gas liquid recovery

 #27
20190186818
2019-06-20

Process integration for natural gas liquid recovery

 #28
20190093947
2019-03-28

Multiple pressure mixed refrigerant cooling system

 #29
20190093946
2019-03-28

Multiple pressure mixed refrigerant cooling process

 #30
20190078840
2019-03-14

Multi-product liquefaction method and system

 #31
20190072323
2019-03-07

Method of cooling boil-off gas and apparatus therefor

 #32
20180347897
2018-12-06

Large-scale hydrogen liquefaction by means of a high pressure hydrogen refrigeration cycle combined to a novel single mixed-refrigerant precooling

 #33
20180320957
2018-11-08

Low-temperature mixed-refrigerant for hydrogen precooling in large scale

 #34
20180313604
2018-11-01

Hydrogen-neon mixture refrigeration cycle for large-scale hydrogen cooling and liquefaction

 #35
20180223856
2018-08-09

Compressor system with a cooling arrangement between the anti-surge valve and the compressor suction side and relevant method

 #36
20180045459
2018-02-15

METHOD FOR LIQUEFYING A HYDROCARBON-RICH FRACTION

 #37
20170370639
2017-12-28

System and method for liquefaction of natural gas

 #38
20170356677
2017-12-14

System, method and apparatus for the regeneration of nitrogen energy within a closed loop cryogenic system

 #39
20170336137
2017-11-23

Systems and methods for LNG production with propane and ethane recovery

 #40
20170067684
2017-03-09

Mixed refrigerant distributed chilling scheme

 #41
20170051968
2017-02-23

Integrated pre-cooled mixed refrigerant system and method

 #42
20170010043
2017-01-12

Mixed refrigerant system and method

 #43
20160341471
2016-11-24

Integrated pre-cooled mixed refrigerant system and method

 #44
20160327335
2016-11-10

Mixing column for single mixed refrigerant (SMR) process

 #45
20160109178
2016-04-21

Systems and methods for natural gas liquefaction capacity augmentation

 #46
20150260451
2015-09-17

Liquefied natural gas facility employing an optimized mixed refrigerant system

 #47
20150184930
2015-07-02

Method for liquefying a natural gas, including a phase change

 #48
20150135767
2015-05-21

Systems and methods for hydrocarbon refrigeration with a mixed refrigerant cycle

 #49
20140260415
2014-09-18

Mixed refrigerant system and method

 #50
20140075943
2014-03-20

Method for operating fuel supply system for marine structure having reliquefaction apparatus and high-pressure natural gas injection engine

 #51
20130133362
2013-05-30

Natural gas liquefaction process

 #52
20130061633
2013-03-14

CONFIGURATIONS AND METHODS OF INTEGRATED NGL RECOVERY AND LNG LIQUEFACTION

 #53
20120198883
2012-08-09

Method for cooling a single-component or multi-component stream

 #54
20120067079
2012-03-22

NITROGEN REJECTION AND LIQUIFIER SYSTEM FOR LIQUIFIED NATURAL GAS PRODUCTION

 #55
20110226008
2011-09-22

Integrated pre-cooled mixed refrigerant system and method

 #56
20100115990
2010-05-13

METHOD FOR LIQUEFYING A HYDROCARBON-RICH FLOW

 #57
20100011808
2010-01-21

METHOD AND APPARATUS FOR LIQUEFYING A HYDROCARBON STREAM

 #58
20090260392
2009-10-22

METHOD OF LIQUEFYING A HYDROCARBON-RICH FRACTION

 #59
20090241593
2009-10-01

METHOD AND APPARATUS FOR COOLING A HYDROCARBON STREAM

 #60
20090071190
2009-03-19

CLOSED CYCLE MIXED REFRIGERANT SYSTEMS

 #61
20070227185
2007-10-04

Mixed Refrigerant Liquefaction Process

 #62
20070157663
2007-07-12

Configurations and methods of integrated NGL recovery and LNG liquefaction

 #63
20060162378
2006-07-27

Integrated multiple-loop refrigeration process for gas liquefaction

 #64
20050056051
2005-03-17

Hybrid gas liquefaction cycle with multiple expanders

 #65
17175270
2022-11-15

Directed quench systems and components