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Refluxing the column with a liquid stream originating from an upstream or downstream fractionator column
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F25J2200/78
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Parent Industries
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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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F25J2200/78
Refluxing the column with a liquid stream originating from an upstream or downstream fractionator column
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Patents Grants
last 30 patents
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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
Method to recover and process methane and condensates from flare ga...
Patent number
11,946,355
Issue date
Apr 2, 2024
1304338 Alberta Ltd.
Jose Lourenco
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for separating methane and nitrogen with reduced...
Patent number
11,650,009
Issue date
May 16, 2023
BCCK Holding Company
Rayburn C. Butts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Standalone high-pressure heavies removal unit for LNG processing
Patent number
11,604,025
Issue date
Mar 14, 2023
ConocoPhillips Company
Jinghua Chan
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
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
Method and apparatus for separating air by cryogenic distillation
Patent number
11,435,139
Issue date
Sep 6, 2022
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Benoit Davidian
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
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
Systems and processes for upgrading natural gas liquids from shale gas
Patent number
11,402,153
Issue date
Aug 2, 2022
Purdue Research Foundation
Rakesh Agrawal
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
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
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
Method of preparing natural gas at a gas pressure reduction station...
Patent number
11,173,445
Issue date
Nov 16, 2021
1304338 Alberta Ltd.
Jose Lourenco
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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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...
Information
Patent Grant
System and method for separating natural gas liquid and nitrogen fr...
Patent number
11,125,497
Issue date
Sep 21, 2021
BCCK Holding Company
Rayburn C. Butts
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
Method of preparing natural gas to produce liquid natural gas (LNG)
Patent number
11,097,220
Issue date
Aug 24, 2021
1304338 Alberta Ltd.
Jose Lourenco
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
System and method for rare gas recovery
Patent number
10,995,982
Issue date
May 4, 2021
Praxair Technology, Inc.
Henry E. Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Patent Grant
Hydrocarbon gas processing
Patent number
10,753,678
Issue date
Aug 25, 2020
Ortloff Engineers, Ltd.
Richard N. Pitman
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Systems and methods for flexible propane recovery
Patent number
10,704,831
Issue date
Jul 7, 2020
Fluor Technologies Corporation
John Mak
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Ethane recovery or ethane rejection operation
Patent number
10,704,832
Issue date
Jul 7, 2020
Fluor Technologies Corporation
John Mak
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Purification of carbon dioxide
Patent number
10,655,912
Issue date
May 19, 2020
Air Products and Chemicals, Inc.
Paul Higginbotham
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and unit for separating the light and heavy components of na...
Patent number
10,627,159
Issue date
Apr 21, 2020
Total SA
Denis Chretien
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
System and method for removing freezing components from a feed gas
Patent number
10,619,918
Issue date
Apr 14, 2020
Chart Energy & Chemicals, Inc.
Douglas A. Ducote
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
System and method for separating natural gas liquid and nitrogen fr...
Patent number
10,520,250
Issue date
Dec 31, 2019
Butts Properties, Ltd.
Rayburn C. Butts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
LNG recovery from syngas using a mixed refrigerant
Patent number
10,436,505
Issue date
Oct 8, 2019
Black & Veatch Holding Company
Hao Jiang
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Plant for producing oxygen by cryogenic air separation
Patent number
10,401,083
Issue date
Sep 3, 2019
Linde Aktiengesellschaft
Stefan Lochner
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
10,330,382
Issue date
Jun 25, 2019
Fluor Technologies Corporation
John Mak
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for producing hydrocarbons
Patent number
10,329,214
Issue date
Jun 25, 2019
Linde Aktiengesellschaft
Helmut Fritz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
System and method for argon recovery from a feed stream comprising...
Patent number
10,309,720
Issue date
Jun 4, 2019
Praxair Technology, Inc.
Henry E. Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
System and method for enhanced argon recovery from a feed stream co...
Patent number
10,309,721
Issue date
Jun 4, 2019
Praxair Technology, Inc.
Henry E. Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR REGULATING A DEVICE FOR SEPARATING AIR BY CRYOGENIC DIST...
Publication number
20240011706
Publication date
Jan 11, 2024
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
John PACHON MORALES
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
System and Method for Separating Methane and Nitrogen with Reduced...
Publication number
20230235955
Publication date
Jul 27, 2023
BCCK Holding Company
Rayburn C. Butts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
STANDALONE HIGH-PRESSURE HEAVIES REMOVAL UNIT FOR LNG PROCESSING
Publication number
20230194161
Publication date
Jun 22, 2023
ConocoPhillips Company
Jinghua Chan
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
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
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
System and Method for Separating Methane and Nitrogen with Reduced...
Publication number
20210180864
Publication date
Jun 17, 2021
BCCK Holding Company
Rayburn C. Butts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND APPARATUS FOR SEPARATING AIR BY CRYOGENIC DISTILLATION
Publication number
20210123671
Publication date
Apr 29, 2021
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Bertrand DEMOLLIENS
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
STANDALONE HIGH-PRESSURE HEAVIES REMOVAL UNIT FOR LNG PROCESSING
Publication number
20210116173
Publication date
Apr 22, 2021
ConocoPhillips Company
Jinghua Chan
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEMS AND PROCESSES FOR UPGRADING NATURAL GAS LIQUIDS FROM SHALE GAS
Publication number
20210116172
Publication date
Apr 22, 2021
Purdue Research Foundation
RAKESH AGRAWAL
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD TO RECOVER AND PROCESS METHANE AND CONDENSATES FROM FLARE GA...
Publication number
20200386090
Publication date
Dec 10, 2020
1304338 Alberta Ltd.
Jose Lourenco
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND APPARATUS FOR SEPARATING AIR BY CRYOGENIC DISTILLATION
Publication number
20200370825
Publication date
Nov 26, 2020
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Benoit DAVIDIAN
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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
OVERHEAD RECYCLE PROCESS APPARATUS AND METHOD OF OVERHEAD RECYCLE P...
Publication number
20200116427
Publication date
Apr 16, 2020
Linde Aktiengesellschaft
Heinz BAUER
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
NITROGEN RECOVERY APPARATUS AND METHOD OF RECOVERING NITROGEN
Publication number
20200103166
Publication date
Apr 2, 2020
Linde Aktiengesellschaft
Heinz BAUER
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
System and Method for Separating Natural Gas Liquid and Nitrogen fr...
Publication number
20200072547
Publication date
Mar 5, 2020
Butts Properties, Ltd.
Rayburn C. Butts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Mixed Refrigerant Liquefaction System and Method with Pre-Cooling
Publication number
20190323769
Publication date
Oct 24, 2019
Chart Energy & Chemicals, Inc.
Douglas A. Ducote
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
BATH-TYPE VAPORISER-CONDENSER FOR A METHOD OF CRYOGENICALLY SEPARAT...
Publication number
20190277565
Publication date
Sep 12, 2019
L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des procedes Ge...
Paul TERRIEN
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS FOR RECOVERING PROPANE AND AN ADJUSTABLE AMOUNT OF ETHANE F...
Publication number
20190271503
Publication date
Sep 5, 2019
L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des procedes Ge...
Paul TERRIEN
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Systems and Methods for LNG Production with Propane and Ethane Reco...
Publication number
20190242645
Publication date
Aug 8, 2019
Fluor Technologies Corporation
John Mak
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
System and Method for Removing Freezing Components from a Feed Gas
Publication number
20190204007
Publication date
Jul 4, 2019
Chart Energy & Chemicals, Inc.
Douglas A. Ducote
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CONFIGURATIONS AND METHODS FOR NGL RECOVERY FOR HIGH NITROGEN CONTE...
Publication number
20190154333
Publication date
May 23, 2019
Fluor Technologies Corporation
John Mak
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND DEVICE FOR THE CRYOGENIC SEPARATION OF SYNTHESIS GAS
Publication number
20190056176
Publication date
Feb 21, 2019
Linde Aktiengesellschaft
Martin LANG
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEM AND METHOD FOR ENHANCED ARGON RECOVERY FROM A FEED STREAM CO...
Publication number
20180356152
Publication date
Dec 13, 2018
Henry E. Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
REFLUX OF DEMETHENIZATION COLUMNS
Publication number
20180320960
Publication date
Nov 8, 2018
L'Air Liquide, Société Anonyme pour I'Etude et I'Exploitation des Procésdés G...
Paul TERRIEN
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
OPTIMIZATION OF A PROCESS FOR DENITROGENATION OF A NATURAL GAS STREAM
Publication number
20180320961
Publication date
Nov 8, 2018
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Paul TERRIEN
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEMS AND METHODS FOR FLEXIBLE PROPANE RECOVERY
Publication number
20180266756
Publication date
Sep 20, 2018
Fluor Technologies Corporation
John Mak
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
ETHANE RECOVERY OR ETHANE REJECTION OPERATION
Publication number
20180266760
Publication date
Sep 20, 2018
Fluor Technologies Corporation
John Mak
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
System and Method for Separating Natural Gas Liquid and Nitrogen fr...
Publication number
20180231306
Publication date
Aug 16, 2018
Butts Properties, Ltd.
Rayburn C. Butts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS FOR REMOVING NITROGEN FROM HIGH-FLOW NATURAL GAS
Publication number
20180087833
Publication date
Mar 29, 2018
L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des procedes Ge...
Michele MURINO
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...