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Refluxing the column with a condensed part of the feed stream
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F25J2200/70
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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
F25J2200/00
Processes or apparatus using separation by rectification
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F25J2200/70
Refluxing the column with a condensed part of the feed stream
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Patents Grants
last 30 patents
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Patent Grant
Cryogenic purification of biogas with withdrawal at an intermediate...
Patent number
12,072,144
Issue date
Aug 27, 2024
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Jorge Ernesto Tovar Ramos
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Systems and methods for production and separation of hydrogen and c...
Patent number
12,054,388
Issue date
Aug 6, 2024
8 Rivers Capital, LLC
Mohammad Rafati
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
System and method for removing freezing components from a feed gas
Patent number
12,000,653
Issue date
Jun 4, 2024
Chart Energy & Chemicals, Inc.
Douglas A. Ducote
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and apparatus for the cryogenic separation of a mixture of...
Patent number
11,965,694
Issue date
Apr 23, 2024
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Manon Cortale
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic purification of biogas with pre-separation and external s...
Patent number
11,946,691
Issue date
Apr 2, 2024
L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation de Procédés Geo...
Jorge Ernesto Tovar Ramos
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Patent Grant
System and method for the production of argon in an air separation...
Patent number
11,713,921
Issue date
Aug 1, 2023
Praxair Technology, Inc.
David R. Parsnick
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for cryogenic separation of a feed stream containing methan...
Patent number
11,713,920
Issue date
Aug 1, 2023
WAGA ENERGY
Guénaël Prince
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process integration for natural gas liquid recovery
Patent number
11,644,235
Issue date
May 9, 2023
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method for recovering a stream of C2+ hydrocarbons in a residual re...
Patent number
11,629,108
Issue date
Apr 18, 2023
TECHNIP ENERGIES FRANCE
Yvon Simon
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process and device for the combined production of hydrogen and carb...
Patent number
11,554,955
Issue date
Jan 17, 2023
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Jean-Pierre Tranier
C01 - INORGANIC CHEMISTRY
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Patent Grant
Heat exchanger for a liquefied natural gas facility
Patent number
11,435,138
Issue date
Sep 6, 2022
ConocoPhillips Company
Stuart L. Wilson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Process integration for natural gas liquid recovery
Patent number
11,428,464
Issue date
Aug 30, 2022
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
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Patent Grant
Method and apparatus for separating hydrocarbons
Patent number
11,408,678
Issue date
Aug 9, 2022
Toyo Engineering Corporation
Yasuyuki Yamamori
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
System and method for separating methane and nitrogen with reduced...
Patent number
11,378,333
Issue date
Jul 5, 2022
BCCK Holding Company
Rayburn C. Butts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Systems and methods for LNG production with propane and ethane reco...
Patent number
11,365,933
Issue date
Jun 21, 2022
Fluor Technologies Corporation
John Mak
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Nitrogen production method and nitrogen production apparatus
Patent number
11,353,262
Issue date
Jun 7, 2022
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Kenji Hirose
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Alternative two column HRU design with rich reflux
Patent number
11,320,197
Issue date
May 3, 2022
ConocoPhillips Company
Dale L. Embry
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process integration for natural gas liquid recovery
Patent number
11,320,196
Issue date
May 3, 2022
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Apparatus for separation and recovery of hydrocarbons from LNG
Patent number
11,274,256
Issue date
Mar 15, 2022
Toyo Engineering Corporation
Shoichi Yamaguchi
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process integration for natural gas liquid recovery
Patent number
11,268,756
Issue date
Mar 8, 2022
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Process integration for natural gas liquid recovery
Patent number
11,268,755
Issue date
Mar 8, 2022
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Process integration for natural gas liquid recovery
Patent number
11,262,123
Issue date
Mar 1, 2022
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Process integration for natural gas liquid recovery
Patent number
11,248,839
Issue date
Feb 15, 2022
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Process integration for natural gas liquid recovery
Patent number
11,248,840
Issue date
Feb 15, 2022
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Process integration for natural gas liquid recovery
Patent number
11,236,941
Issue date
Feb 1, 2022
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Process integration for natural gas liquid recovery
Patent number
11,231,227
Issue date
Jan 25, 2022
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Process integration for natural gas liquid recovery
Patent number
11,231,226
Issue date
Jan 25, 2022
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Process integration for natural gas liquid recovery
Patent number
11,226,154
Issue date
Jan 18, 2022
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Natural gas liquid fractionation plant waste heat conversion to sim...
Patent number
11,156,411
Issue date
Oct 26, 2021
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Process and device for the cryogenic separation of synthesis gas
Patent number
11,125,496
Issue date
Sep 21, 2021
Linde Aktiengesellschaft
Martin Lang
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR PRODUCTION AND SEPARATION OF HYDROGEN AND C...
Publication number
20240351874
Publication date
Oct 24, 2024
8 RIVERS CAPITAL, LLC
Mohammad Rafati
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS AND APPARATUS FOR SEPARATING HYDROCARBON
Publication number
20240200869
Publication date
Jun 20, 2024
TOYO ENGINEERING CORPORATION
Keisuke SASAKURA
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Processes and Systems for Separating Liquified Natural Gas
Publication number
20240060716
Publication date
Feb 22, 2024
EXXONMOBIL CHEMICAL PATENTS INC.
You Fang
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND APPARATUS FOR LIQUEFYING HYDROGEN
Publication number
20240053094
Publication date
Feb 15, 2024
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Axelle GAERTNER
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD FOR PRODUCING LIQUEFIED NATURAL GAS FROM NATURAL GAS, AND CO...
Publication number
20230408187
Publication date
Dec 21, 2023
TECHNIP FRANCE
Sylvain Vovard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS FOR CRYOGENIC SEPARATION OF A FEED STREAM CONTAINING METHAN...
Publication number
20230384027
Publication date
Nov 30, 2023
WAGA ENERGY
Guénaël Prince
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CRYOGENIC PURIFICATION OF BIOGAS WITH PRE-SEPARATION AND EXTERNAL S...
Publication number
20220397342
Publication date
Dec 15, 2022
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEO...
Jorge Ernesto TOVAR RAMOS
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CRYOGENIC PURIFICATION OF BIOGAS WITH WITHDRAWAL AT AN INTERMEDIATE...
Publication number
20220397345
Publication date
Dec 15, 2022
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEO...
Jorge Ernesto TOVAR RAMOS
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HEAT EXCHANGER FOR A LIQUEFIED NATURAL GAS FACILITY
Publication number
20220364787
Publication date
Nov 17, 2022
ConocoPhillips Company
Stuart L. WILSON
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ALTERNATIVE TWO COLUMN HRU DESIGN WITH RICH REFLUX
Publication number
20220260311
Publication date
Aug 18, 2022
ConocoPhillips Company
Dale L. EMBRY
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
MIXED REFRIGERANT SYSTEM FOR NATURAL GAS PROCESSING
Publication number
20210396465
Publication date
Dec 23, 2021
AZOTA GAS PROCESSING, LTD.
Pierre E. Lugosch
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
SYSTEMS AND METHODS FOR PRODUCTION AND SEPARATION OF HYDROGEN AND C...
Publication number
20210323818
Publication date
Oct 21, 2021
8 RIVERS CAPITAL, LLC
Mohammad Rafati
C01 - INORGANIC CHEMISTRY
Information
Patent Application
MULTIPLE REFLUX STREAM HYDROCARBON RECOVERY PROCESS
Publication number
20210231367
Publication date
Jul 29, 2021
Lummus Technology LLC
Galip Hakan Guvelioglu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS INTEGRATION FOR NATURAL GAS LIQUID RECOVERY
Publication number
20210222947
Publication date
Jul 22, 2021
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
System and Method for Separating Methane and Nitrogen with Reduced...
Publication number
20210180863
Publication date
Jun 17, 2021
BCCK Holding Company
Rayburn C. Butts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHODS AND SYSTEMS FOR REMOVING NITROGEN FROM NATURAL GAS
Publication number
20210156613
Publication date
May 27, 2021
Linde Engineering North America, Inc.
Kathryn Bigger
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND APPARATUS FOR SEPARATING HYDROCARBON
Publication number
20210131728
Publication date
May 6, 2021
TOYO ENGINEERING CORPORATION
Keisuke SASAKURA
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEM AND METHOD FOR THE PRODUCTION OF ARGON IN AN AIR SEPARATION...
Publication number
20210116175
Publication date
Apr 22, 2021
David R. Parsnick
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
HYDROCARBON GAS PROCESSING
Publication number
20210116174
Publication date
Apr 22, 2021
UOP LLC
J. Ascencion Anguiano
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
INTEGRATED METHODS AND CONFIGURATIONS FOR PROPANE RECOVERY IN BOTH...
Publication number
20210095921
Publication date
Apr 1, 2021
Fluor Technologies Corporation
John MAK
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
METHOD AND SYSTEM FOR TREATING A FLOW BACK FLUID EXITING A WELL SITE
Publication number
20200385641
Publication date
Dec 10, 2020
Kenneth L. Burgers
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CO2 Removal or Capture from CO2-rich Gas Mixtures
Publication number
20200318897
Publication date
Oct 8, 2020
Jianguo XU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR CRYOGENIC SEPARATION OF A FEED STREAM CONTAINING METHAN...
Publication number
20200318896
Publication date
Oct 8, 2020
WAGA ENERGY
Guénaël Prince
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND DEVICE FOR THE COMBINED PRODUCTION OF HYDROGEN AND CARB...
Publication number
20200307997
Publication date
Oct 1, 2020
L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des procedes Ge...
Jean-Pierre TRANIER
C01 - INORGANIC CHEMISTRY
Information
Patent Application
System and Method for Removing Freezing Components from a Feed Gas
Publication number
20200232703
Publication date
Jul 23, 2020
Chart Energy & Chemicals, Inc.
Douglas A. Ducote
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
NATURAL GAS LIQUID FRACTIONATION PLANT WASTE HEAT CONVERSION TO POW...
Publication number
20200224558
Publication date
Jul 16, 2020
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING A METHANE-RICH STREAM AND A C2+ HYDROCARBON-RI...
Publication number
20200208911
Publication date
Jul 2, 2020
Technip France
Vanessa Gahier
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD FOR RECOVERING A STREAM OF C2+ HYDROCARBONS IN A RESIDUAL RE...
Publication number
20200199046
Publication date
Jun 25, 2020
Technip France
Yvon Simon
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
MODIFIED GOSWAMI CYCLE BASED CONVERSION OF GAS PROCESSING PLANT WAS...
Publication number
20200173310
Publication date
Jun 4, 2020
Saudi Arabian Oil Company
Mahmoud Bahy Mahmoud Noureldin
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES