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F25J3/042
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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
F25J3/00
Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
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F25J3/042
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Patents Grants
last 30 patents
Information
Patent Grant
Method to convert excess liquid oxygen into liquid nitrogen
Patent number
12,305,916
Issue date
May 20, 2025
Airgas, Inc.
Adam Histed
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Chilled working fluid generation and separation for an aircraft
Patent number
12,291,338
Issue date
May 6, 2025
RTX Corporation
Michael Winter
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Pre-purification arrangement for air separation and method of hybri...
Patent number
12,247,782
Issue date
Mar 11, 2025
AIR PRODUCTS AND CHEMICALS, INC.
Gowri Krishnamurthy
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Bearing device in radial flow adsorber with gas flow guide function
Patent number
12,246,281
Issue date
Mar 11, 2025
HANGZHOU OXYGEN PLANT GROUP CO., LTD.
Yi Gao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Integrated nitrogen liquefier for a nitrogen and argon producing cr...
Patent number
12,247,783
Issue date
Mar 11, 2025
Linde GMBH
Brian R. Kromer
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for obtaining pressurized nitrogen by cryogeni...
Patent number
12,196,485
Issue date
Jan 14, 2025
Linde Aktiengesellschaft
Dimitri Golubev
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for obtaining one or more air products, and air separation unit
Patent number
12,196,488
Issue date
Jan 14, 2025
Linde GMBH
Dimitri Golubev
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Apparatus and method for separation of air by cryogenic distillation
Patent number
12,181,217
Issue date
Dec 31, 2024
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Cavagne Patrice
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for obtaining one or more air products and air separation sy...
Patent number
12,158,303
Issue date
Dec 3, 2024
Linde GMBH
Dirk Schwenk
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Multistage liquid storage-type condenser-evaporator and nitrogen pr...
Patent number
12,130,081
Issue date
Oct 29, 2024
Taiyo Nippon Sanso Corporation
Nobuaki Egoshi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Plate fin heat exchanger assembly
Patent number
12,092,394
Issue date
Sep 17, 2024
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Jian-Wei Cao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and apparatus for the separation of air by cryogenic distil...
Patent number
12,078,415
Issue date
Sep 3, 2024
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Alain Briglia
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for starting up a cryogenic air separation unit and associat...
Patent number
12,061,045
Issue date
Aug 13, 2024
L'Air Liquide, Société Anonyme pour I'Etude et I'Exploitation des Procédés Ge...
Eric Day
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for operating a heat exchanger, arrangement with a heat exch...
Patent number
12,044,471
Issue date
Jul 23, 2024
Linde GMBH
Stefan Lochner
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Chiller, air separation system, and related methods
Patent number
12,038,230
Issue date
Jul 16, 2024
Air Products and Chemicals, Inc.
Gowri Krishnamurthy
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for air separation by cryogenic distillation
Patent number
12,025,372
Issue date
Jul 2, 2024
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Jean-Pierre Tranier
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for producing high-purity nitrogen and low-pur...
Patent number
11,988,446
Issue date
May 21, 2024
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Alain Briglia
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
System and method for recovery of nitrogen, argon, and oxygen in mo...
Patent number
11,933,538
Issue date
Mar 19, 2024
Praxair Technology, Inc.
Brian R. Kromer
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic air separation unit with argon condenser vapor recycle
Patent number
11,933,539
Issue date
Mar 19, 2024
Praxair Technology, Inc.
Zhengrong Xu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Product gas supply quantity adjustment device and air separation ap...
Patent number
11,913,720
Issue date
Feb 27, 2024
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Takuya Kaneda
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for separating air by cryogenic distillation
Patent number
11,852,408
Issue date
Dec 26, 2023
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Jean-Pierre Tranier
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and unit for low-temperature air separation
Patent number
11,846,468
Issue date
Dec 19, 2023
Linde GMBH
Christian Kunz
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Single packaged air separation apparatus with reverse main heat exc...
Patent number
11,709,018
Issue date
Jul 25, 2023
L'Air Liquide, Société Anonyme pour l'Etude et l'Expoitation des Procédés Geo...
Alain Briglia
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Modelling of a distillation column with operating state changes
Patent number
11,698,225
Issue date
Jul 11, 2023
Linde Aktiengesellschaft
Ingo Thomas
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Utilization of nitrogen-enriched streams produced in air separation...
Patent number
11,635,254
Issue date
Apr 25, 2023
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Bowei Zhao
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Energy-efficient process for preparing nitrogen and oxygen for glas...
Patent number
11,629,914
Issue date
Apr 18, 2023
Hangzhou Turning Energy Technology Development Co., Ltd.
Senlin He
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic liquefier by integration with power plant
Patent number
11,566,841
Issue date
Jan 31, 2023
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Michael A Turney
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
Cryogenic cooling system for an aircraft
Patent number
11,542,016
Issue date
Jan 3, 2023
Raytheon Technologies Corporation
Frederick M. Schwarz
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Fluid recovery process and apparatus
Patent number
11,512,897
Issue date
Nov 29, 2022
Air Products and Chemicals, Inc.
D. Michael Herron
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR THE CRYOGENIC SEPARATION OF AIR, AND AIR SEPARATION PLANT
Publication number
20240393042
Publication date
Nov 28, 2024
Linde GmbH
Daniel OTTE
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND PLANT FOR PROVIDING A PRESSURIZED OXYGEN-RICH, GASEOUS A...
Publication number
20240384928
Publication date
Nov 21, 2024
Linde GmbH
Dimitri GOLUBEV
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
LIQUEFIED GAS SUPPLY SYSTEM AND AIR SEPARATION UNIT COMPRISING SAME
Publication number
20240377130
Publication date
Nov 14, 2024
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
ULTRA-HIGH-PURITY OXYGEN PRODUCTION METHOD AND ULTRA-HIGH-PURITY OX...
Publication number
20240353173
Publication date
Oct 24, 2024
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
METHOD AND PLANT FOR LOW TEMPERATURE FRACTIONATION OF AIR
Publication number
20240183610
Publication date
Jun 6, 2024
Linde GmbH
Dimitri GOLUBEV
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
AIR SEPARATION UNIT AND METHOD FOR CRYOGENIC SEPARATION OF AIR USIN...
Publication number
20240035741
Publication date
Feb 1, 2024
Neil M. Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
AIR SEPARATION UNIT AND METHOD FOR CRYOGENIC SEPARATION OF AIR USIN...
Publication number
20240035740
Publication date
Feb 1, 2024
Neil M. Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND PLANT FOR CRYOGENIC SEPARATION OF AIR
Publication number
20240003620
Publication date
Jan 4, 2024
Linde GmbH
Dimitri GOLUBEV
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD FOR OBTAINING ONE OR MORE AIR PRODUCTS, AND AIR FRACTIONATIO...
Publication number
20230358466
Publication date
Nov 9, 2023
Linde GmbH
Daniel PALANISWAMY OTTE
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CRYOGENIC COOLING SYSTEM FOR AN AIRCRAFT
Publication number
20230303254
Publication date
Sep 28, 2023
Raytheon Technologies Corporation
Frederick M. Schwarz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HEAT EXCHANGER AND SEPARATION APPARATUS COMPRISING A HEAT EXCHANGER
Publication number
20230221068
Publication date
Jul 13, 2023
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
INTEGRATED NITROGEN LIQUEFIER FOR A NITROGEN AND ARGON PRODUCING CR...
Publication number
20230221069
Publication date
Jul 13, 2023
Brian R. Kromer
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Cryogenic Air Separation Method and Air Separation Unit
Publication number
20230125267
Publication date
Apr 27, 2023
CRYOSTAR SAS
Dimitri GOLUBEV
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CRYOGENIC COOLING SYSTEM FOR AN AIRCRAFT
Publication number
20230122852
Publication date
Apr 20, 2023
Raytheon Technologies Corporation
Frederick M. Schwarz
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
PRE-PURIFICATION ARRANGEMENT FOR AIR SEPARATION AND METHOD OF HYBRI...
Publication number
20230087673
Publication date
Mar 23, 2023
Air Products and Chemicals, Inc.
GOWRI KRISHNAMURTHY
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CRYOGENIC AIR SEPARATION UNIT WITH ARGON CONDENSER VAPOR RECYCLE
Publication number
20230052938
Publication date
Feb 16, 2023
Zhengrong Xu
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND PLANT FOR LOW-TEMPERATURE SEPARATION OF AIR
Publication number
20230038170
Publication date
Feb 9, 2023
Linde GmbH
Dimitri GOLUBEV
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROCESS AND PLANT FOR PROVISION OF OXYGEN PRODUCT
Publication number
20230043513
Publication date
Feb 9, 2023
Linde GmbH
Wolfgang HAAG
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
ENERGY-EFFICIENT PROCESS FOR PREPARING NITROGEN AND OXYGEN FOR GLAS...
Publication number
20230034371
Publication date
Feb 2, 2023
Hangzhou Turning Energy Technology Development Co., Ltd.
Senlin He
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Bearing device in radial flow adsorber with gas flow guide function
Publication number
20230032954
Publication date
Feb 2, 2023
HANGZHOU OXYGEN PLANT GROUP CO., LTD.
Yi GAO
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CARBON-BASED OXYGEN-ENRICHED COMBUSTION METHOD FOR RECIRCULATION OF...
Publication number
20230034842
Publication date
Feb 2, 2023
Hangzhou Turning Energy Technology Development Co. Ltd.
Ting Wei
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
METHOD AND APPARATUS FOR PRODUCING PRODUCT NITROGEN GAS AND PRODUCT...
Publication number
20220325952
Publication date
Oct 13, 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 Application
PROCESS AND APPARATUS FOR THE SEPARATION OF AIR BY CRYOGENIC DISTIL...
Publication number
20220282914
Publication date
Sep 8, 2022
L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Ge...
Alain BRIGLIA
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD FOR OPERATING A HEAT EXCHANGER, ARRANGEMENT WITH A HEAT EXCH...
Publication number
20220252345
Publication date
Aug 11, 2022
Linde GmbH
Stefan LOCHNER
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
PROPULSION SYSTEM COOLING CONTROL
Publication number
20220242581
Publication date
Aug 4, 2022
Raytheon Technologies Corporation
Frederick M. Schwarz
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
METHOD FOR OPERATING A PROCESS PLANT
Publication number
20220243981
Publication date
Aug 4, 2022
Linde GmbH
Florian SCHLIEBITZ
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
FLUID RECOVERY PROCESS AND APPARATUS
Publication number
20220221221
Publication date
Jul 14, 2022
Air Products and Chemicals, Inc.
D. MICHAEL HERRON
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CHILLED WORKING FLUID GENERATION AND SEPARATION FOR AN AIRCRAFT
Publication number
20220194604
Publication date
Jun 23, 2022
Raytheon Technologies Corporation
Michael Winter
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Application
SYSTEM AND METHOD FOR FLEXIBLE RECOVERY OF ARGON FROM A CRYOGENIC A...
Publication number
20220146196
Publication date
May 12, 2022
Neil M. Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD FOR FLEXIBLE RECOVERY OF ARGON FROM A CRYOGENIC AIR SEPARATI...
Publication number
20220146195
Publication date
May 12, 2022
Neil M. Prosser
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...