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using multiple (re-)boiler-condensers at different heights of the column
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F25J2200/50
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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
F25J2200/00
Processes or apparatus using separation by rectification
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F25J2200/50
using multiple (re-)boiler-condensers at different heights of the column
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Patents Grants
last 30 patents
Information
Patent Grant
Dual column nitrogen producing air separation unit with split kettl...
Patent number
11,933,540
Issue date
Mar 19, 2024
Praxair Technology, Inc.
Hanfei Tuo
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Single column nitrogen rejection unit with side draw heat pump refl...
Patent number
11,686,528
Issue date
Jun 27, 2023
Chart Energy & Chemicals, Inc.
Peter J. Turner
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Dual column nitrogen producing air separation unit with split kettl...
Patent number
11,674,750
Issue date
Jun 13, 2023
Praxair Technology, Inc.
Hanfei Tuo
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
11,650,009
Issue date
May 16, 2023
BCCK Holding Company
Rayburn C. Butts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic air separation apparatus
Patent number
11,549,747
Issue date
Jan 10, 2023
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
Heat exchange mechanism for removing contaminants from a hydrocarbo...
Patent number
11,543,179
Issue date
Jan 3, 2023
ExxonMobil Upstream Research Company
Nicholas F. Urbanski
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
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
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 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
Process and apparatus for separating air using a split heat exchanger
Patent number
11,054,182
Issue date
Jul 6, 2021
Air Products and Chemicals, Inc.
Qiao Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
System and method for enhanced recovery of argon and oxygen from a...
Patent number
10,663,223
Issue date
May 26, 2020
Praxair Technology, Inc.
James R. Handley
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 system for cooling and separating a hydrocarbon stream
Patent number
10,598,431
Issue date
Mar 24, 2020
Shell Oil Company
Johan Jan Barend Pek
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Reducing refrigeration and dehydration load for a feed stream enter...
Patent number
10,495,379
Issue date
Dec 3, 2019
ExxonMobil Upstream Research Company
Ananda K. Nagavarapu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and device for separating air by cryogenic distillation
Patent number
10,295,253
Issue date
May 21, 2019
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Benoit Davidian
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Heat exchangers for low temperature carbon dioxide separation from...
Patent number
10,281,209
Issue date
May 7, 2019
UOP LLC
Lubo Zhou
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Heat exchange mechanism for removing contaminants from a hydrocarbo...
Patent number
10,281,205
Issue date
May 7, 2019
ExxonMobil Upstream Research Company
Nicholas F. Urbanski
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for recovering hydrocarbons from crude carbon dioxide fluid
Patent number
10,267,560
Issue date
Apr 23, 2019
Air Products and Chemicals, Inc.
Paul Higginbotham
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Purification of carbon dioxide
Patent number
10,254,042
Issue date
Apr 9, 2019
Air Products and Chemicals, Inc.
Paul Higginbotham
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Treatment of nitrogen-rich natural gas streams
Patent number
10,215,488
Issue date
Feb 26, 2019
Air Products and Chemicals, Inc.
Vincent White
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and system for separating a feed stream with a feed stream d...
Patent number
10,139,158
Issue date
Nov 27, 2018
ExxonMobil Upstream Research Company
Jaime A. Valencia
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Liquid collection system
Patent number
10,046,251
Issue date
Aug 14, 2018
ExxonMobil Upstream Research Company
Edward J. Grave
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Accumulation and melt tray assembly for a distillation tower
Patent number
10,006,700
Issue date
Jun 26, 2018
ExxonMobil Upstream Research Company
Nicholas F. Urbanski
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Hydrocarbon gas processing including a single equipment item proces...
Patent number
9,939,196
Issue date
Apr 10, 2018
Ortloff Engineers, Ltd.
Andrew F. Johnke
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and system for preventing accumulation of solids in a distil...
Patent number
9,874,395
Issue date
Jan 23, 2018
ExxonMobil Upstream Research Company
Jaime A. Valencia
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and device for separating hydrocarbons and contaminants with...
Patent number
9,874,396
Issue date
Jan 23, 2018
ExxonMobil Upstream Research Company
Jaime A. Valencia
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and device for separating hydrocarbons and contaminants with...
Patent number
9,869,511
Issue date
Jan 16, 2018
ExxonMobil Upstream Research Company
Jaime A. Valencia
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
LNG facility with integrated NGL recovery for enhanced liquid recov...
Patent number
9,841,231
Issue date
Dec 12, 2017
ConocoPhillips Company
Wesley Qualls
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and device for separating a feed stream using radiation dete...
Patent number
9,829,247
Issue date
Nov 28, 2017
ExxonMobil Upstream Reseach Company
Jaime A. Valencia
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
DUAL COLUMN NITROGEN PRODUCING AIR SEPARATION UNIT WITH SPLIT KETTL...
Publication number
20230251033
Publication date
Aug 10, 2023
Hanfei Tuo
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
DUAL COLUMN NITROGEN PRODUCING AIR SEPARATION UNIT WITH SPLIT KETTL...
Publication number
20210381763
Publication date
Dec 9, 2021
Hanfei Tuo
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
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
Single Column Nitrogen Rejection Unit with Side Draw Heat Pump Refl...
Publication number
20200340740
Publication date
Oct 29, 2020
Chart Energy & Chemicals, Inc.
Peter J. Turner
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CRYOGENIC AIR SEPARATION APPARATUS
Publication number
20200318898
Publication date
Oct 8, 2020
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 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
Process and Apparatus for Separating Air Using a Split Heat Exchanger
Publication number
20190368811
Publication date
Dec 5, 2019
Air Products and Chemicals, Inc.
Qiao Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEM AND METHOD FOR ENHANCED RECOVERY OF ARGON AND OXYGEN FROM A...
Publication number
20190331419
Publication date
Oct 31, 2019
James R. Handley
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
NITROGEN PRODUCTION METHOD AND NITROGEN PRODUCTION APPARATUS
Publication number
20190293348
Publication date
Sep 26, 2019
L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des procedes Ge...
Kenji Hirose
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Heat Exchange Mechanism For Removing Contaminants From A Hydrocarbo...
Publication number
20190219328
Publication date
Jul 18, 2019
Nicholas F. Urbanski
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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
Recovery Of Helium From Nitrogen-Rich Streams
Publication number
20190041128
Publication date
Feb 7, 2019
Air Products and Chemicals, Inc.
Vincent White
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND SYSTEM FOR COOLING AND SEPARATING A HYDROCARBON STREAM
Publication number
20180202713
Publication date
Jul 19, 2018
Johan Jan Barend PEK
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Reducing Refrigeration and Dehydration Load for a Feed Stream Enter...
Publication number
20170370640
Publication date
Dec 28, 2017
Ananda K. Nagavarapu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD FOR PURIFYING, COOLING AND SEPARATING A GASEOUS MIXTURE AND...
Publication number
20170045291
Publication date
Feb 16, 2017
L'Air Liquide, Société Anonyme pour l'Etude et I'Exploitation des Procédés Ge...
Guillaume CARDON
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND APPARATUS FOR REMOVING NITROGEN FROM A CRYOGENIC HYDROCA...
Publication number
20140345319
Publication date
Nov 27, 2014
Alexandre Maria Corte Real Santos
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PURIFICATION OF INERT GASES TO REMOVE TRACE IMPURITIES
Publication number
20140165648
Publication date
Jun 19, 2014
Air Liquide Process & Construction, Inc.
Bao HA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PURIFICATION OF INERT GASES TO REMOVE TRACE IMPURITIES
Publication number
20140165649
Publication date
Jun 19, 2014
Air Liquide Process & Construction, Inc.
Bao HA
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Purification of Carbon Dioxide
Publication number
20130283851
Publication date
Oct 31, 2013
Air Products and Chemicals, Inc.
Paul Higginbotham
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS AND APPARATUS FOR THE SEPARATION OF AIR BY CRYOGENIC DISTIL...
Publication number
20130219959
Publication date
Aug 29, 2013
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEO...
Bao Ha
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
He-3 Recovery From Natural Helium By Distillation
Publication number
20130219956
Publication date
Aug 29, 2013
Air Products and Chemicals, Inc.
Jianguo Xu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HE-3 RECOVERY FROM NATURAL HELIUM BY DISTILLATION
Publication number
20130219958
Publication date
Aug 29, 2013
Air Products and Chemicals, Inc.
Jianguo Xu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEM AND METHOD FOR RECOVERING NATURAL GAS LIQUIDS WITH AUTO REFR...
Publication number
20130074542
Publication date
Mar 28, 2013
Mehdi Mehrpooya
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND DEVICE FOR OBTAINING PRESSURIZED NITROGEN AND PRESSURIZE...
Publication number
20130047666
Publication date
Feb 28, 2013
Linde Aktiengesellschaft
Alexander Alekseev
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND APPARATUS FOR SEPARATION OF NITROGEN FROM LNG
Publication number
20120285196
Publication date
Nov 15, 2012
Adrian Joseph FIinn
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
System and Method for Producing LNG from Contaminated Gas Streams
Publication number
20120103010
Publication date
May 3, 2012
Rayburn C. Butts
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
LNG FACILITY WITH INTEGRATED NGL RECOVERY FOR ENHANCED LIQUID RECOV...
Publication number
20120042690
Publication date
Feb 23, 2012
ConocoPhillips Company
Wesley QUALLS
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Liquefied Natural Gas And Hydrocarbon Gas Processing
Publication number
20120000246
Publication date
Jan 5, 2012
Ortloff Engineers, Ltd.
Tony L. Martinez
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...