F25J 3/04

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Class  F25J : LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT


Subclass 3/04: Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream (F25J 3/08 takes precedence) for air

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10605410 Method for reheating an atmospheric vaporizer using a gas originating from a cryogenic air-separation unitJan 04, 18Mar 31, 20L'Air Liquide - Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
10605523 Process and apparatus for separating air by cryogenic distillationNov 07, 14Mar 31, 20L'Air Liquide - Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
10591210 Air purification unitsMay 28, 15Mar 17, 20Highview Enterprises Limited
10591209 Air separation plant, method for obtaining a product containing argon, and method for creating an air separation plantMar 05, 14Mar 17, 20Linde Aktiengesellschaft
10578357 Annular divided wall column with ring shaped collectors and distributers for an air separation unitJul 23, 18Mar 03, 20Praxair Technology Inc.
10577248 industrial utilization hub integrated with electric power production and optional cryo-energy storageMay 24, 17Mar 03, 20Harper Biotech LLC
10578355 Annular divided wall column for an air separation unitJul 23, 18Mar 03, 20Praxair Technology Inc.
10578356 Annular divided wall column for an air separation unit having a ring shaped support gridJul 23, 18Mar 03, 20Praxair Technology Inc.
10569190 Packed columnMar 03, 17Feb 25, 20Taiyo Nippon Sanso Corporation
10563914 Methods and systems for integration of industrial site efficiency losses to produce LNG and/or LINAug 05, 16Feb 18, 20L'Air Liquide - Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
10544883 Conduit seal assemblyDec 11, 14Jan 28, 20ConocoPhillips Company
10533564 Method for compressing an incoming feed air stream in a cryogenic air separation plantApr 11, 19Jan 14, 20Praxair Technology Inc.
10533565 Method for compressing an incoming feed air stream in a cryogenic air separation plantApr 11, 19Jan 14, 20Praxair Technology Inc.
10533795 Method for obtaining an air product in an air separating system with temporary storage, and air separating systemApr 08, 14Jan 14, 20Linde Aktiengesellschaft
10519962 Method for compressing an incoming feed air stream in a cryogenic air separation plantApr 11, 19Dec 31, 19Praxair Technology Inc.
10508859 Process for increasing low pressure pure nitrogen production by revamping original apparatus for cryogenic air separationNov 20, 17Dec 17, 19L'Air Liquide - Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
10508244 Method for removing nitrogen from a hydrocarbon-rich fractionMar 01, 16Dec 17, 19Linde Aktiengesellschaft
10488106 Method and apparatus for producing compressed nitrogen and liquid nitrogen by cryogenic separation of airJul 07, 17Nov 26, 19Linde Aktiengesellschaft
10480853 Method for the cryogenic separation of air and air separation plantJul 28, 15Nov 19, 19Linde Aktiengesellschaft
10481049 Cryogenic liquid samplerNov 28, 17Nov 19, 19Air Liquide Canada, Inc.

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2020/0080,772 INTEGRATED METHOD AND UNIT FOR AIR SEPARATION BY CRYOGENIC DISTILLATION AND GAS COOLINGAug 31, 17Mar 12, 20L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des Precedes Georges Claude
2020/0080,773 CRYOGENIC AIR SEPARATION UNIT WITH FLEXIBLE LIQUID PRODUCT MAKESep 07, 18Mar 12, 20Not available
2020/0056,840 COLD BOX STRUCTURE WITH COLD BOX PANELS PARTLY BUILT-IN AND INSTALLATION METHOD THEREFORMay 03, 17Feb 20, 20L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des Procedes Georges Claude
2020/0056,839 Conserving Mixed Refrigerant in Natural Gas Liquefaction FacilitiesJul 23, 19Feb 20, 20Not available
2020/0041,204 PROCESS AND PLANT FOR THE PRODUCTION OF ARGON BY CRYOGENIC DISTILLATION OF AIRJul 31, 19Feb 06, 20L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
2020/0011,597 MULTIPLE PASS, PARALLEL FLOW DOWNCOMER TRAY FOR A MASS TRANSFER COLUMNSep 20, 19Jan 09, 20Not available
2019/0353,422 SKID-MOUNTED COLD BOX AND ITS PREFABRICATED STRUCTURE AND ASSEMBLY METHODDec 30, 16Nov 21, 19L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des Precedes Georges Claude
2019/0331,418 SYSTEM AND METHOD FOR HIGH RECOVERY OF NITROGEN AND ARGON FROM A MODERATE PRESSURE CRYOGENIC AIR SEPARATION UNITApr 25, 18Oct 31, 19Not available
2019/0331,416 SYSTEM AND METHOD FOR ENHANCED RECOVERY OF ARGON AND OXYGEN FROM A NITROGEN PRODUCING CRYOGENIC AIR SEPARATION UNITApr 25, 18Oct 31, 19Not available
2019/0331,417 SYSTEM AND METHOD FOR ENHANCED RECOVERY OF ARGON AND OXYGEN FROM A NITROGEN PRODUCING CRYOGENIC AIR SEPARATION UNITApr 25, 18Oct 31, 19Not available
2019/0331,419 SYSTEM AND METHOD FOR ENHANCED RECOVERY OF ARGON AND OXYGEN FROM A NITROGEN PRODUCING CRYOGENIC AIR SEPARATION UNITApr 25, 18Oct 31, 19Not available
2019/0301,796 METHOD FOR CONSTRUCTING OR ALTERING A MATTER- AND/OR HEAT-EXCHANGE DEVICEJun 02, 17Oct 03, 19L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des Procedes Georges Claude
2019/0293,347 METHOD AND APPARATUS FOR PRODUCING PRODUCT NITROGEN GAS AND PRODUCT ARGONMar 20, 19Sep 26, 19L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
2019/0293,346 PROPULSION SYSTEM COOLING CONTROLMar 21, 19Sep 26, 19Not available
2019/0204,009 SYSTEM AND METHOD FOR FLEXIBLE RECOVERY OF ARGON FROM A CRYOGENIC AIR SEPARATION UNITJan 02, 18Jul 04, 19Not available
2019/0186,825 PROCESS INTEGRATION FOR NATURAL GAS LIQUID RECOVERYSep 19, 18Jun 20, 19Saudi Arabian Oil Company
2019/0186,824 PROCESS INTEGRATION FOR NATURAL GAS LIQUID RECOVERYSep 19, 18Jun 20, 19Saudi Arabian Oil Company
2019/0137,173 Method and System for Using a Target Gas Provided by a Gas Decomposition DeviceMar 30, 17May 09, 19Not available
2019/0137,174 ELEMENT FOR CONSTRUCTION OF A MASS- AND/OR HEAT-EXCHANGE DEVICE, ASSEMBLY OF TWO ELEMENTS AND EXCHANGE METHOD USING AN ASSEMBLYJun 02, 17May 09, 19L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des Procedes Georges Claude
2019/0137,175 ADIABATIC COLLECTOR FOR RECYCLING GAS, LIQUEFIER FOR RECYCLING GAS, AND RECOVERY APPARATUS FOR RECYCLING GAS USING SAMEJan 03, 19May 09, 19Korea Basic Science Institute

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