ClassID:

160474

F25J2240/30 - CPC Classification

Classification description:

Processes or apparatus involving steps for expanding of process streams Dynamic liquid or hydraulic expansion with extraction of work, e.g. single phase or two-phase turbine

Recent Application in this class:
#1
20250257939
2025-08-14

SYSTEMS AND METHODS FOR LNG REFRIGERATION AND LIQUEFACTION

#2
20200386090
2020-12-10

Method to recover and process methane and condensates from flare gas systems

#3
20200232704
2020-07-23

Systems and methods for using multiple cryogenic hydraulic turbines

#4
20200232703
2020-07-23

System and method for removing freezing components from a feed gas

#5
20200064062
2020-02-27

Primary loop start-up method for a high pressure expander process

#6
20190204007
2019-07-04

System and method for removing freezing components from a feed gas

#7
20190204006
2019-07-04

Systems and methods for LNG refrigeration and liquefaction

#8
20190046921
2019-02-14

Method of preparing natural gas at a gas pressure reduction stations to produce liquid natural gas (LNG)

#9
20180283773
2018-10-04

Hydraulic Turbine Between Middle and Cold Bundles of Natural Gas Liquefaction Heat Exchanger

#10
20180265795
2018-09-20

Method of preparing natural gas to produce liquid natural gas (LNG)

#11
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

#12
20180003430
2018-01-04

Mixed refrigerant liquefaction system and method

#13
20170307290
2017-10-26

LIQUEFACTION PROCESS FOR PRODUCING SUBCOOLED LNG

#14
20170284737
2017-10-05

Integrated nitrogen removal in the production of liquefied natural gas using intermediate feed gas separation

#15
20170003072
2017-01-05

Systems and methods for using multiple cryogenic hydraulic turbines

#16
20160377340
2016-12-29

Liquefaction system using a turboexpander

#17
20160282041
2016-09-29

Liquefaction process for producing subcooled LNG

#18
20160131115
2016-05-12

Systems and methods of utilizing axial flow expanders

#19
20160116210
2016-04-28

Method and system of controlling a temperature within a melt tray assembly of a distillation tower

#20
20160060130
2016-03-03

Hydrogen and nitrogen recovery from ammonia purge gas

#21
20150308738
2015-10-29

Integrated nitrogen removal in the production of liquefied natural gas using refrigerated heat pump

#22
20150308736
2015-10-29

Integrated nitrogen removal in the production of liquefied natural gas using dedicated reinjection circuit

#23
20150114032
2015-04-30

Purification of carbon dioxide

#24
20140283938
2014-09-25

Three-way integrated Joule-Thomson valve and liquefied gas expander

#25
20140283549
2014-09-25

Method of gas expansion using liquefied gas expander and integrated Joule-Thomson valve

#26
20140137597
2014-05-22

Process and apparatus for cooling and compressing a wet gas rich in carbon dioxide

#27
20130333415
2013-12-19

Liquefaction process producing subcooled LNG

#28
20130039835
2013-02-14

Hydrogen and Nitrogen Recovery from Ammonia Purge Gas

#29
20120297822
2012-11-29

Separation of gases

#30
20120285196
2012-11-15

PROCESS AND APPARATUS FOR SEPARATION OF NITROGEN FROM LNG

#31
20120213676
2012-08-23

Process for the Production of Ammonia Synthesis Gas With Improved Cryogenic Purification

#32
20120167617
2012-07-05

METHOD FOR TREATING A MULTI-PHASE HYDROCARBON STREAM AND AN APPARATUS THEREFOR

#33
20120079852
2012-04-05

Systems and Methods for Removing Heavy Hydrocarbons and Acid Gases From a Hydrocarbon Gas Stream

#34
20120070364
2012-03-22

High pressure cyrogenic process and system for producing ammonia products

#35
20120031144
2012-02-09

Cryogenic system for removing acid gases from a hydrocarbon gas stream, and method of removing acid gases

#36
20110271666
2011-11-10

Multistage liquefied gas expander with variable geometry hydraulic stages

#37
20110239701
2011-10-06

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

#38
20110226009
2011-09-22

Process for producing liquid and gaseous nitrogen streams, a gaseous stream which is rich in helium and a denitrided stream of hydrocarbons and associated installation

#39
20110023536
2011-02-03

Method and apparatus for cooling a hydrocarbon stream

#40
20100314085
2010-12-16

Self cooling heat exchanger with channels having an expansion device

#41
20100313598
2010-12-16

Separation of a Fluid Mixture Using Self-Cooling of the Mixture

#42
20100300144
2010-12-02

Liquefied gas expander and integrated Joule-Thomson valve

#43
20100275646
2010-11-04

Method of Separating Off Nitrogen from Liquefied Natural Gas

#44
20100251766
2010-10-07

Refrigeration generation method and system

#45
20100162755
2010-07-01

Method for nitrogen rejection and or helium recovery in an LNG liquefaction plant

#46
20100051876
2010-03-04

PROCESS FOR THE PRODUCTION OF AMMONIA SYNTHESIS GAS WITH IMPROVED CRYOGENIC PURIFICATION

#47
20090293538
2009-12-03

NATURAL GAS LIQUEFACTION

#48
20090229275
2009-09-17

COMPACT CONFIGURATION FOR CRYOGENIC PUMPS AND TURBINES

#49
20090183505
2009-07-23

PARALLEL FLOW CRYOGENIC LIQUIFIED GAS EXPANDERS

#50
20090139263
2009-06-04

THERMOSYPHON REBOILER FOR THE DENITROGENATION OF LIQUID NATURAL GAS

#51
20090107174
2009-04-30

Method and apparatus for liquefying a hydrocarbon stream

#52
20090031755
2009-02-05

Natural gas liquefaction process to extend lifetime of gas wells

#53
20080314079
2008-12-25

Nitrogen Rejection Column Reboiler Configuration

#54
20080122226
2008-05-29

Compact assemblies for high efficiency performance of cryogenic liquefied gas expanders and pumps

#55
20080110203
2008-05-15

Cryogenic process system with extended bonnet filter

#56
20080066494
2008-03-20

Light component separation from a carbon dioxide mixture

#57
20080066493
2008-03-20

Treating Liquefied Natural Gas

#58
20080066492
2008-03-20

Treating Liquefied Natural Gas

#59
20080034789
2008-02-14

Integrated Acid Gas And Sour Gas Reinjection Process

#60
20080028790
2008-02-07

Natural gas liquefaction

#61
20080011015
2008-01-17

System and apparatus for providing low pressure and low purity oxygen

#62
20070245771
2007-10-25

Dual stage nitrogen rejection from liquefied natural gas

#63
20070193303
2007-08-23

Scalable capacity liquefied natural gas plant

#64
20070157662
2007-07-12

Method and apparatus for producing products from natural gas including helium and liquefied natural gas

#65
20070149838
2007-06-28

Method for adjusting the high heating value of gas in the LNG chain

#66
20070095099
2007-05-03

Method for processing a stream of LNG obtained by means of cooling using a first refrigeration cycle and associated installation

#67
20060239871
2006-10-26

Low pressure drop purifier for nitrogen, methane, and argon removal from syngas

#68
20060213222
2006-09-28

Compact, modular method and apparatus for liquefying natural gas

#69
20060107691
2006-05-25

Light gas component separation from a carbon dioxide mixture

#70
20060101851
2006-05-18

Light component separation from a carbon dioxide mixture

#71
20050268649
2005-12-08

Natural gas liquefaction

#72
20050255012
2005-11-17

Low pressure NGL plant configurations

#73
20050247078
2005-11-10

Natural gas liquefaction

#74
20050113468
2005-05-26

Natural gas liquefaction and conversion method

#75
20050013768
2005-01-20

Low-delta P purifier for nitrogen, methane, and argon removal from syngas