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F25J3/0409
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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
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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F25J3/0409
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Patents Grants
last 30 patents
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
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 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
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
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
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
Integrated nitrogen liquefier for a nitrogen and argon producing cr...
Patent number
11,629,913
Issue date
Apr 18, 2023
Praxair Technology, Inc.
Brian R. Kromer
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for cryogenic separation of air, and air separation plant
Patent number
11,602,713
Issue date
Mar 14, 2023
Linde Aktiengesellschaft
Dimitri Golubev
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and device for producing air product based on cryogenic rect...
Patent number
11,578,916
Issue date
Feb 14, 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
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...
Information
Patent Grant
Gas production system
Patent number
11,346,603
Issue date
May 31, 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
Method for improved startup of an air separation unit having a fall...
Patent number
11,320,198
Issue date
May 3, 2022
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Paul Kong
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
System and method for flexible recovery of argon from a cryogenic a...
Patent number
11,262,125
Issue date
Mar 1, 2022
Praxair Technology, Inc.
Neil M. Prosser
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and apparatus for the cryogenic separation of air
Patent number
11,193,710
Issue date
Dec 7, 2021
Linde Aktiengesellschaft
Dimitri Goloubev
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for the cryogenic separation of air
Patent number
11,175,091
Issue date
Nov 16, 2021
Linde Aktiengesellschaft
Dimitri Goloubev
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Fuel cell system using natural gas
Patent number
11,139,497
Issue date
Oct 5, 2021
Doosan Heavy Industries & Construction Co., Ltd.
Choa Mun Yun
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and device for generating gaseous compressed nitrogen
Patent number
11,118,834
Issue date
Sep 14, 2021
Linde Aktiengesellschaft
Dimitri Goloubev
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for obtaining one or more air products and air separation p...
Patent number
11,098,950
Issue date
Aug 24, 2021
Linde Aktiengesellschaft
Dimitri Golubev
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
Method and apparatus for obtaining a compressed gas product by cryo...
Patent number
10,995,983
Issue date
May 4, 2021
Linde Aktiengesellschaft
Dimitri Goloubev
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Annular divided wall column
Patent number
10,928,129
Issue date
Feb 23, 2021
Praxair Technology, Inc.
Kevin J. Saboda
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Annular divided wall column
Patent number
10,866,026
Issue date
Dec 15, 2020
Praxair Technology, Inc.
Kirk F. Larson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Annular divided wall column with ring shaped collectors and distrib...
Patent number
10,866,025
Issue date
Dec 15, 2020
Praxair Technology, Inc.
Kevin J. Saboda
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Distillation column system and plant for production of oxygen by cr...
Patent number
10,845,118
Issue date
Nov 24, 2020
Linde Aktiengesellschaft
Dimitri Golubev
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Cryogenic air separation method for producing oxygen at high pressures
Patent number
10,746,461
Issue date
Aug 18, 2020
8 Rivers Capital, LLC
Rodney John Allam
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and device for variably obtaining argon by means of low-temp...
Patent number
10,690,408
Issue date
Jun 23, 2020
Linde Aktiengesellschaft
Stefan Lochner
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
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
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
PROCESS AND APPARATUS FOR CRYOGENIC SEPARATION OF AIR WITH MIXED GA...
Publication number
20230358468
Publication date
Nov 9, 2023
Linde GmbH
Dimitri GOLUBEV
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
PROCESS FOR CRYOGENIC FRACTIONATION OF AIR, AIR FRACTIONATION PLANT...
Publication number
20230168030
Publication date
Jun 1, 2023
Linde GmbH
Dimitri GOLUBEV
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEM AND METHOD FOR HARNESSING ENERGY FROM A PRESSURIZED GAS FLOW...
Publication number
20230073208
Publication date
Mar 9, 2023
CNX Resources Corporation
Kevin Robert Egeland
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
NITROGEN AND ARGON PRODUCING AIR SEPARATION UNIT
Publication number
20230055084
Publication date
Feb 23, 2023
Brian R. Kromer
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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
METHOD FOR OPERATING AN AIR SEPARATION PLANT, HAVING A DISTILLATION...
Publication number
20230003446
Publication date
Jan 5, 2023
Linde GmbH
Stefan LOCHNER
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
SYSTEM FOR PURIFYING ARGON BY CRYOGENIC DISTILLATION
Publication number
20220380215
Publication date
Dec 1, 2022
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Bernard SAULNIER
C01 - INORGANIC CHEMISTRY
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
METHOD AND SYSTEM FOR LOW-TEMPERATURE AIR SEPARATION
Publication number
20220228804
Publication date
Jul 21, 2022
Linde GmbH
Dimitri GOLUBEV
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
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...
Information
Patent Application
METHOD AND APPARATUS FOR PRODUCING HIGH-PURITY NITROGEN AND LOW-PUR...
Publication number
20220090855
Publication date
Mar 24, 2022
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedeseor...
Alain BRIGLIA
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
APPARATUS AND METHOD FOR SEPARATING AIR BY CRYOGENIC DISTILLATION
Publication number
20220074656
Publication date
Mar 10, 2022
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
METHOD FOR OBTAINING ONE OR MORE AIR PRODUCTS AND AIR SEPARATION SY...
Publication number
20220026145
Publication date
Jan 27, 2022
Linde GmbH
Dirk SCHWENK
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD FOR IMPROVED STARTUP OF AN AIR SEPARATION UNIT HAVING A FALL...
Publication number
20210404741
Publication date
Dec 30, 2021
L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Ge...
Paul KONG
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD AND UNIT FOR LOW-TEMPERATURE AIR SEPARATION
Publication number
20210381761
Publication date
Dec 9, 2021
Linde GmbH
Christian KUNZ
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
ENHANCEMENTS TO A DUAL COLUMN NITROGEN PRODUCING CRYOGENIC AIR SEPA...
Publication number
20210372697
Publication date
Dec 2, 2021
Zhengrong Xu
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
20210356206
Publication date
Nov 18, 2021
Brian R. Kromer
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
AIR SEPARATION SYSTEM
Publication number
20210207885
Publication date
Jul 8, 2021
L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
Takuya KANEDA
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
CRYOGENIC RECTIFICATION PROCESS-BASED METHOD FOR PRODUCING AIR PROD...
Publication number
20210140708
Publication date
May 13, 2021
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 Application
METHOD AND DEVICE FOR PRODUCING AIR PRODUCT BASED ON CRYOGENIC RECT...
Publication number
20210071948
Publication date
Mar 11, 2021
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...