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using pre-separation or distributed distillation before a main column system
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F25J2200/38
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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
Current Industry
F25J2200/38
using pre-separation or distributed distillation before a main column system
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Patents Grants
last 30 patents
Information
Patent Grant
Pretreatment, pre-cooling, and condensate recovery of natural gas b...
Patent number
12,050,054
Issue date
Jul 30, 2024
ExxonMobil Technology and Engineering Company
Yijun Liu
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
Hydrocarbon gas processing
Patent number
11,448,461
Issue date
Sep 20, 2022
UOP LLC
Thai Pham
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
Process and apparatus for producing carbon monoxide
Patent number
11,137,204
Issue date
Oct 5, 2021
Praxair Technology, Inc.
Minish M.. Shah
C01 - INORGANIC CHEMISTRY
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...
Information
Patent Grant
Helium extraction from natural gas
Patent number
10,962,283
Issue date
Mar 30, 2021
Air Products and Chemicals, Inc.
Vincent White
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for producing a methane-rich stream and a C2+ hydrocarbon-ri...
Patent number
10,619,919
Issue date
Apr 14, 2020
Technip France
Vanessa Gahier
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
Systems and methods for multi-stage refrigeration
Patent number
10,533,793
Issue date
Jan 14, 2020
Bechtel Hydrocarbon Technology Solutions, Inc.
David Ladd
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Systems and methods for multi-stage refrigeration
Patent number
10,514,201
Issue date
Dec 24, 2019
Bechtel Hydrocarbon Technology Solutions, Inc.
David Ladd
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Systems and methods for multi-stage refrigeration
Patent number
10,514,202
Issue date
Dec 24, 2019
Bechtel Hydrocarbon Technology Solutions, Inc.
David Ladd
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Systems and methods for multi-stage refrigeration
Patent number
10,465,983
Issue date
Nov 5, 2019
Bechtel Hydrocarbon Technology Solutions, Inc.
David Ladd
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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...
Information
Patent Grant
System and method for argon recovery from the tail gas of an ammoni...
Patent number
10,082,332
Issue date
Sep 25, 2018
Praxair Technology, Inc.
Henry E. Howard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Nitrogen removal from natural gas
Patent number
9,003,829
Issue date
Apr 14, 2015
Linde Aktiengesellschaft
Heinz Bauer
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Krypton and xenon recovery method
Patent number
8,443,625
Issue date
May 21, 2013
Praxair Technology, Inc.
Neil Mark Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Liquefied natural gas and hydrocarbon gas processing
Patent number
8,434,325
Issue date
May 7, 2013
Ortloff Engineers, Ltd.
Tony L. Martinez
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Combined use of external and internal solvents in processing gases...
Patent number
7,563,307
Issue date
Jul 21, 2009
Advanced Extraction Technologies, Inc.
Thomas K. Gaskin
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Removing diamondoid components from natural gas at reduced temperat...
Patent number
7,442,847
Issue date
Oct 28, 2008
Advanced Extraction Technologies, Inc.
Thomas K. Gaskin
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Configuration and process for NGL recovery using a subcooled absorp...
Patent number
7,377,127
Issue date
May 27, 2008
Fluor Technologies Corporation
John Mak
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Distillation sequence for the purification and recovery of hydrocar...
Patent number
7,311,813
Issue date
Dec 25, 2007
Ineos USA LLC
Rian Reyneke
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Secondary deethanizer to debottleneck an ethylene plant
Patent number
7,207,192
Issue date
Apr 24, 2007
Kellogg Brown & Root LLC
Stephen Edward Ronczy
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for generating energy
Patent number
6,718,794
Issue date
Apr 13, 2004
L'Air Liquide Societe Anonyme A Directoire et Conseil de Surveillance pour l'...
Jean-Renaud Brugerolle
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic air separation system with integrated mass and heat transfer
Patent number
6,295,836
Issue date
Oct 2, 2001
Praxair Technology, Inc.
Tu Cam Nguyen
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic air separation system with integrated mass and heat transfer
Patent number
6,295,839
Issue date
Oct 2, 2001
Praxair Technology, Inc.
Tu Cam Nguyen
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Processes for multicomponent separation
Patent number
6,286,335
Issue date
Sep 11, 2001
Air Products and Chemicals, Inc.
Rakesh Agrawal
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Production of ethylene using high temperature demethanization
Patent number
6,212,905
Issue date
Apr 10, 2001
Exxon Chemical Patents Inc.
Keith H. Kuechler
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Distillation process to separate mixtures containing three or more...
Patent number
6,116,051
Issue date
Sep 12, 2000
Air Products and Chemicals, Inc.
Rakesh Agrawal
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
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
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
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
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
HYDROCARBON GAS PROCESSING
Publication number
20210131729
Publication date
May 6, 2021
UOP LLC
Thai Pham
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
Pretreatment, Pre-Cooling, and Condensate Recovery of Natural Gas B...
Publication number
20210088274
Publication date
Mar 25, 2021
ExxonMobil Upstream Research Company
Yijun LIU
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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
Helium Extraction from Natural Gas
Publication number
20200088466
Publication date
Mar 19, 2020
Air Products and Chemicals, Inc.
Vincent White
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
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
PROCESS AND APPARATUS FOR PRODUCING CARBON MONOXIDE
Publication number
20180058757
Publication date
Mar 1, 2018
Minish M. Shah
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD FOR PRODUCING A METHANE-RICH STREAM AND A C2+ HYDROCARBON-RI...
Publication number
20140290307
Publication date
Oct 2, 2014
Technip France
Vanessa Gahier
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Liquefied Natural Gas and Hydrocarbon Gas Processing
Publication number
20140096563
Publication date
Apr 10, 2014
Ortloff Engineers, Ltd.
Tony L. Martinez
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Liquefied Natural Gas and Hydrocarbon Gas Processing
Publication number
20130283853
Publication date
Oct 31, 2013
Tony L. Martinez
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
LIQUEFIED NATURAL GAS AND HYDROCARBON GAS PROCESSING
Publication number
20130125582
Publication date
May 23, 2013
Ortloff Engineers, Ltd.
Tony L. Martinez
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...
Information
Patent Application
NITROGEN REMOVAL FROM NATURAL GAS
Publication number
20110277500
Publication date
Nov 17, 2011
Linde Aktiengesellschaft
Heinz Bauer
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS FOR SEPARATING OFF NITROGEN
Publication number
20110041551
Publication date
Feb 24, 2011
Linde AG
Heinz Bauer
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Liquefied Natural Gas And Hydrocarbon Gas Processing
Publication number
20100287985
Publication date
Nov 18, 2010
Ortloff Engineers, Ltd.
Tony L. Martinez
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Liquefied Natural Gas and Hydrocarbon Gas Processing
Publication number
20100287982
Publication date
Nov 18, 2010
Ortloff Engineers, Ltd.
Tony L. Martinez
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Process for Recovering Ethylene From an Autothermal Cracking Reacto...
Publication number
20100217059
Publication date
Aug 26, 2010
Rian Reyneke
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
KRYPTON AND XENON RECOVERY METHOD
Publication number
20100037656
Publication date
Feb 18, 2010
Neil Mark Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Liquefied Natural Gas and Hydrocarbon Gas Processing
Publication number
20090282865
Publication date
Nov 19, 2009
Ortloff Engineers, Ltd.
Tony L. Martinez
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Scalable capacity liquefied natural gas plant
Publication number
20070193303
Publication date
Aug 23, 2007
EXXONMOBIL UPSTREAM RESEARCH COMPANY
Daniel J. Hawrysz
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Removing diamondoid components from natural gas at reduced temperat...
Publication number
20060111602
Publication date
May 25, 2006
Advanced Extraction Technologies, Inc.
Thomas K. Gaskin
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Combined use of external and internal solvents in processing gases...
Publication number
20060043000
Publication date
Mar 2, 2006
Advanced Extraction Technologies, Inc.
Thomas K. Gaskin
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SECONDARY DEETHANIZER TO DEBOTTLENECK AN ETHYLENE PLANT
Publication number
20060021379
Publication date
Feb 2, 2006
Kellogg Brown & Root, Inc.
Stephen Edward Ronczy
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Hydrogen recovery in a distributed distillation system
Publication number
20050154245
Publication date
Jul 14, 2005
Rian Reyneke
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Configuration and process for ngli recovery using a subcooled absor...
Publication number
20040206112
Publication date
Oct 21, 2004
John Mak
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...