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Expansion without extracting work, i.e. isenthalpic throttling
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CPC
F25J2240/40
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Parent Industries
F
MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
F25
Refrigeration
F25J
LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
F25J2240/00
Processes or apparatus involving steps for expanding of process streams
Current Industry
F25J2240/40
Expansion without extracting work, i.e. isenthalpic throttling
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Patents Grants
last 30 patents
Information
Patent Grant
Fuel gas conditioning units for natural gas systems
Patent number
12,228,337
Issue date
Feb 18, 2025
EOG RESOURCES, INC.
Roy Curtis Larson
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for separating hydrogen from an olefin hydrocarbon effluent...
Patent number
12,215,923
Issue date
Feb 4, 2025
Enflex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Pretreatment of natural gas prior to liquefaction
Patent number
12,209,803
Issue date
Jan 28, 2025
Lummus Technology Inc.
Thomas K. Gaskin
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for obtaining one or more air products, and air separation unit
Patent number
12,196,488
Issue date
Jan 14, 2025
Linde GMBH
Dimitri Golubev
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for separating hydrogen from an olefin hydrocarbon effluent...
Patent number
12,135,166
Issue date
Nov 5, 2024
Enflex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for separating hydrogen from an olefin hydrocarbon effluent...
Patent number
12,111,104
Issue date
Oct 8, 2024
Enflex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Preparing hydrocarbon streams for storage
Patent number
11,988,445
Issue date
May 21, 2024
GE Oil & Gas, Inc.
David Allen Kennedy
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Natural gas letdown generator system and method
Patent number
11,761,705
Issue date
Sep 19, 2023
Magellan Scientific, LLC
Brent Breon
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Process for separating hydrogen from an olefin hydrocarbon effluent...
Patent number
11,674,748
Issue date
Jun 13, 2023
Enflex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for separating hydrogen from an olefin hydrocarbon effluent...
Patent number
11,668,523
Issue date
Jun 6, 2023
Enflex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Heavy hydrocarbon removal system for lean natural gas liquefaction
Patent number
11,668,522
Issue date
Jun 6, 2023
Air Products and Chemicals, Inc.
Fei Chen
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Systems and methods for using multiple cryogenic hydraulic turbines
Patent number
11,644,234
Issue date
May 9, 2023
ExxonMobil Technology and Enginering Company
Christopher G. Holt
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Low pressure ethane liquefaction and purification from a high press...
Patent number
11,598,578
Issue date
Mar 7, 2023
Baker Hughes Energy Services LLC
David Allen Kennedy
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Hydrocarbon gas processing
Patent number
11,578,915
Issue date
Feb 14, 2023
UOP LLC
J. Ascencio Anguiano
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Hydrocarbon gas processing
Patent number
11,543,180
Issue date
Jan 3, 2023
UOP LLC
Kyle T. Cuellar
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
CO2 separation and liquefaction system and method
Patent number
11,486,638
Issue date
Nov 1, 2022
CARBON CAPTURE AMERICA, INC.
Miles L. Abarr
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
System and method for producing liquefied natural gas
Patent number
11,460,244
Issue date
Oct 4, 2022
Baker Hughes Oilfield Operations LLC
Lishun Hu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for separating hydrogen from an olefin hydrocarbon effluent...
Patent number
11,448,460
Issue date
Sep 20, 2022
Enflex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Hydrocarbon gas processing
Patent number
11,428,465
Issue date
Aug 30, 2022
UOP LLC
Michael C. Pierce
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Liquid natural gas liquefier utilizing mechanical and liquid nitrog...
Patent number
11,402,151
Issue date
Aug 2, 2022
Praxair Technology, Inc.
Nick J Degenstein
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Pretreatment of natural gas prior to liquefaction
Patent number
11,402,155
Issue date
Aug 2, 2022
Lummus Technology Inc.
Thomas K. Gaskin
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Apparatus and method for separating CO2 at low temperature comprisi...
Patent number
11,344,842
Issue date
May 31, 2022
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Ludovic Granados
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Apparatus for liquefying natural gas and method for liquefying natu...
Patent number
11,340,013
Issue date
May 24, 2022
SUNG-IL ENCARE Co., Ltd.
Jang-ik Park
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Low-temperature mixed-refrigerant for hydrogen precooling in large...
Patent number
11,340,012
Issue date
May 24, 2022
Linde Aktiengesellschaft
Umberto Cardella
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Refrigeration cycle for liquid oxygen densification
Patent number
11,293,671
Issue date
Apr 5, 2022
Praxair Technology, Inc.
Neil M. Prosser
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Methods for providing refrigeration in natural gas liquids recovery...
Patent number
11,268,757
Issue date
Mar 8, 2022
LINDE ENGINEERING NORTH AMERICA, INC.
Grant McCool
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Configurations and methods for small scale LNG production
Patent number
11,112,173
Issue date
Sep 7, 2021
Fluor Technologies Corporation
John Mak
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Phase implementation of natural gas liquid recovery plants
Patent number
11,112,175
Issue date
Sep 7, 2021
Fluor Technologies Corporation
John Mak
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Heavy hydrocarbon removal from lean gas to LNG liquefaction
Patent number
10,989,469
Issue date
Apr 27, 2021
Fluor Technologies Corporation
John Mak
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Large-scale hydrogen liquefaction by means of a high pressure hydro...
Patent number
10,928,127
Issue date
Feb 23, 2021
Linde Aktiengesellschaft
Umberto Cardella
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
INSTALLATION AND A METHOD FOR COOLING A FLUID TO CRYOGENIC TEMPERATURE
Publication number
20240410649
Publication date
Dec 12, 2024
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Marine ANDRICH
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
HELIUM SEPARATION AND RECOVERY PROCESS
Publication number
20240343578
Publication date
Oct 17, 2024
Arjae Design Solutions Ltd.
Ernie MAURIER
C01 - INORGANIC CHEMISTRY
Information
Patent Application
HYDROGEN LIQUEFACTION DEVICE AND HYDROGEN LIQUEFACTION METHOD
Publication number
20240310115
Publication date
Sep 19, 2024
H2CREO Corp.
HYUNG JIN KIM
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
DYNAMIC RATE LIMITER FOR LOAD SHARING APPLICATION
Publication number
20240219115
Publication date
Jul 4, 2024
Saudi Arabian Oil Company
Khurram Saeed CHISHTI
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD FOR LIQUEFYING A STREAM RICH IN CO2
Publication number
20240068744
Publication date
Feb 29, 2024
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Michael TRAN
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEM FOR COOLING AND CONDENSING GAS
Publication number
20230392861
Publication date
Dec 7, 2023
FUNDACION UNIVERSIDAD DEL NORTE
Luz Marlen AHUMADA CASTRO
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent...
Publication number
20230324115
Publication date
Oct 12, 2023
EnFlex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent...
Publication number
20230304732
Publication date
Sep 28, 2023
EnFlex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Fuel Gas Conditioning System and Process to Improve Output Gas Quality
Publication number
20230266061
Publication date
Aug 24, 2023
Pioneer Energy
Gevorg SARGSYAN
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent...
Publication number
20230160633
Publication date
May 25, 2023
EnFlex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
NATURAL GAS LETDOWN GENERATOR SYSTEM AND METHOD
Publication number
20230128794
Publication date
Apr 27, 2023
Magellan Scientific, LLC
Brent Breon
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
NATURAL GAS LETDOWN GENERATOR SYSTEM AND METHOD
Publication number
20230131311
Publication date
Apr 27, 2023
Magellan Scientific, LLC
Brent Breon
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
PLANT FOR TREATING GAS, PARTICULARLY NATURAL GAS, SUPPLIED BY A TRA...
Publication number
20230119458
Publication date
Apr 20, 2023
GRUPPO SOCIETA' GAS RIMINI S.p.A.
Gianluca GHELLI
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent...
Publication number
20230050081
Publication date
Feb 16, 2023
EnFlex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CO2 SEPARATION & LIQUEFACTION SYSTEM AND METHOD
Publication number
20230025321
Publication date
Jan 26, 2023
Miles L. Abarr
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
FACILITY FOR THE SEPARATION AND LIQUEFACTION OF METHANE AND CO2 COM...
Publication number
20220397343
Publication date
Dec 15, 2022
L'Air Liquide Societe Anonyme Pour l'Etude et l'Eploitation des Procede Georg...
Jorge Ernesto TOVAR RAMOS
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PRETREATMENT OF NATURAL GAS PRIOR TO LIQUEFACTION
Publication number
20220373257
Publication date
Nov 24, 2022
Lummus Technology Inc.
Thomas K. Gaskin
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Systems and Methods for Improving the Efficiency of Combined Cascad...
Publication number
20220236004
Publication date
Jul 28, 2022
Bechtel Energy Inc.
David Ladd
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent...
Publication number
20220018597
Publication date
Jan 20, 2022
EnFlex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PHASE IMPLEMENTATION OF NATURAL GAS LIQUID RECOVERY PLANTS
Publication number
20210381760
Publication date
Dec 9, 2021
Fluor Technologies Corporation
John Mak
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD FOR OBTAINING ONE OR MORE AIR PRODUCTS, AND AIR SEPARATION UNIT
Publication number
20210381762
Publication date
Dec 9, 2021
Linde GmbH
Dimitri GOLUBEV
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEM AND METHOD FOR NATURAL GAS AND NITROGEN LIQUEFACTION WITH DI...
Publication number
20210348838
Publication date
Nov 11, 2021
Neil M. Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CONFIGURATIONS AND METHODS FOR SMALL SCALE LNG PRODUCTION
Publication number
20210341221
Publication date
Nov 4, 2021
Fluor Technologies Corporation
John Mak
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent...
Publication number
20210341224
Publication date
Nov 4, 2021
EnFlex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
FLEXIBLE INSTALLATION OF A HYDROCARBON LIQUEFACTION UNIT
Publication number
20210310731
Publication date
Oct 7, 2021
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Oriane FARGES
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
HEAVY HYDROCARBON REMOVAL FROM LEAN GAS TO LNG LIQUEFACTION
Publication number
20210215420
Publication date
Jul 15, 2021
Fluor Technologies Corporation
John MAK
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent...
Publication number
20210190420
Publication date
Jun 24, 2021
EnFlex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PREPARING HYDROCARBON STREAMS FOR STORAGE
Publication number
20210172676
Publication date
Jun 10, 2021
GE Oil & Gas, Inc.
David Allen Kennedy
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process for Separating Hydrogen from an Olefin Hydrocarbon Effluent...
Publication number
20210088278
Publication date
Mar 25, 2021
EnFlex, Inc.
James Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CO2 SEPARATION & LIQUEFACTION SYSTEM AND METHOD
Publication number
20200309451
Publication date
Oct 1, 2020
BRIGHT ENERGY STORAGE TECHNOLOGIES, LLP
Miles L. Abarr
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...