F25J 3/02

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


Subclass 3/02: 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)

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10598431 Method and system for cooling and separating a hydrocarbon streamJul 08, 16Mar 24, 20Shell Oil Company
10598432 Process for the production of dilute ethyleneJul 29, 19Mar 24, 20Lummus Technology LLC
10591209 Air separation plant, method for obtaining a product containing argon, and method for creating an air separation plantMar 05, 14Mar 17, 20Linde Aktiengesellschaft
10577981 Modified Goswami cycle based conversion of gas processing plant waste heat into power and coolingOct 26, 17Mar 03, 20Saudi Arabian Oil Company
10577552 In-line L-grade recovery systems and methodsApr 21, 17Mar 03, 20Linde Aktiengesellschaft
10577248 industrial utilization hub integrated with electric power production and optional cryo-energy storageMay 24, 17Mar 03, 20Harper Biotech LLC
10570927 Boosting system, and boosting method of gasJan 14, 14Feb 25, 20Mitsubishi Heavy Industries Compressor Corporation
10563915 Instrument air system and methodApr 03, 17Feb 18, 20Not available
10563913 Systems and methods for hydrocarbon refrigeration with a mixed refrigerant cycleAug 22, 14Feb 18, 20Black & Veatch Holding Company
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
10551119 Hydrocarbon gas processingOct 24, 16Feb 04, 20Ortloff Engineers Ltd.; S.M.E. Products LP;
10551118 Hydrocarbon gas processingOct 24, 16Feb 04, 20Ortloff Engineers Ltd.; S.M.E. Products LP;
10539364 Hydrocarbon distillationMar 13, 17Jan 21, 20General Electric Company
10537828 Method for preventing fouling of a demisterApr 12, 17Jan 21, 20Sustainable Energy Solutions, LLC
10539365 Method and apparatus for cryogenic separation of a mixture containing at least carbon monoxide, hydrogen and nitrogenSep 23, 14Jan 21, 20L'Air Liquide - Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
10539363 Method and apparatus for cooling a hydrocarbon streamFeb 12, 09Jan 21, 20Shell Oil Company
10533794 Hydrocarbon gas processingOct 24, 16Jan 14, 20Ortloff Engineers Ltd.; S.M.E. Proudcts, LP;
10520250 System and method for separating natural gas liquid and nitrogen from natural gas streamsFeb 15, 17Dec 31, 19Butts Properties, Ltd.
10520249 Process and apparatus for processing a hydrocarbon gas streamNov 16, 16Dec 31, 19EnCana Corporation
10514203 Plant and process for ammonia production with cryogenic purification, and related method of revampingNov 25, 15Dec 24, 19Ammonia Casale SA

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2020/0103,165 SYSTEMS AND METHODS OF DEBOTTLENECKING PROPANE FEEDSep 18, 19Apr 02, 20Equistar Chemicals L.P; Lyondell Chemical Technology L.P.;
2020/0103,166 NITROGEN RECOVERY APPARATUS AND METHOD OF RECOVERING NITROGENMar 23, 18Apr 02, 20Linde Aktiengesellschaft
2020/0096,254 PROCESS FOR PRODUCING BIOMETHANE FROM A BIOGAS STREAM, COMPRISING SOLIDIFICATION OF THE IMPURITIESSep 25, 19Mar 26, 20L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
2020/0088,465 Helium Extraction from Natural GasSep 13, 18Mar 19, 20Air Products and Chemicals, Inc.
2020/0072,546 GAS SUBCOOLED PROCESS CONVERSION TO RECYCLE SPLIT VAPOR FOR RECOVERY OF ETHANE AND PROPANEJul 09, 19Mar 05, 20Not available
2020/0072,547 System and Method for Separating Natural Gas Liquid and Nitrogen from Natural Gas StreamsNov 07, 19Mar 05, 20Not available
2020/0064,064 System and Method for Natural Gas Liquid Production with Flexible Ethane Recovery or RejectionAug 27, 18Feb 27, 20Not available
2020/0064,063 System and Method for Natural Gas Liquid Production with Flexible Ethane Recovery or RejectionDec 13, 18Feb 27, 20Not available
2020/0033,055 PROCESS AND APPARATUS FOR THE CRYOGENIC SEPARATION OF A MIXTURE OF CARBON MONOXIDE, HYDROGEN AND METHANE FOR THE PRODUCTION OF CH4Jul 24, 19Jan 30, 20L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
2020/0018,544 HIGH-PRESSURE DENSITY-DRIVEN SEPARATIONFeb 14, 18Jan 16, 20The Curators of the University of Missouri
2020/0003,490 Mixing and Heat Integration of Melt Tray Liquids in a Cryogenic Distillation TowerJun 13, 19Jan 02, 20Not available
2019/0390,901 PURIFICATION PROCESS FOR PRODUCTION OF ULTRA HIGH PURITY CARBON MONOXIDEDec 08, 17Dec 26, 19Linde Aktiengesellschaft
2019/0390,900 GAS LIQUEFACTION COLUMNJun 26, 18Dec 26, 19Not available
2019/0368,810 METHOD AND INSTALLATION FOR CRYOGENIC SEPARATION OF A GASEOUS MIXTURE BY METHANE SCRUBBINGNov 16, 17Dec 05, 19L'Air Liquide, Societe Anonyme pour I'Etude et I'Exploitation des Procedes Georges Claude
2019/0346,203 Modularized LNG Separation Device and Flash Gas Heat ExchangerMay 11, 18Nov 14, 19Air Products and Chemicals, Inc.
2019/0331,415 ETHYLENE PLANT REFRIGERATION SYSTEMDec 14, 17Oct 31, 19Not available
2019/0301,795 INTEGRATION METHODS OF GAS PROCESSING PLANT AND NITROGEN REJECTION UNIT FOR HIGH NITROGEN FEED GASESJun 07, 19Oct 03, 19Fluor Technologies Corporation
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
2019/0285,340 METHOD AND SYSTEM FOR LIQUEFACTION OF NATURAL GAS USING LIQUID NITROGENJan 30, 19Sep 19, 19Not available
2019/0277,564 Pump reservoir, rectification system and process for low-temperature rectificationOct 25, 17Sep 12, 19Linde AG

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Patents Issued To Date - By Filing Year

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