of nitrogen

Industry

CPC
F25J3/04084

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F25Refrigeration F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification

Current Industry

F25J3/04084of nitrogen

Industries

Patents Grantslast 30 patents

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
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
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
Apparatus and process for liquefying gases
- Patent number 11,204,196
- Issue date Dec 21, 2021
- Terrence J. Ebert
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and apparatus for the cryogenic separation of air
- Patent number 11,193,710
- 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
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
Apparatus for the distillation of air by cryogenic distillation
- Patent number 10,969,167
- Issue date Apr 6, 2021
- L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
- Patrice Cavagne
- 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
Apparatus and process for liquefying gases
- Patent number 10,852,061
- Issue date Dec 1, 2020
- Terrence J. Ebert
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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
Annular divided wall column for an air separation unit
- Patent number 10,684,071
- Issue date Jun 16, 2020
- Praxair Technology, Inc.
- Kirk F. Larson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
System and method for enhanced recovery of argon and oxygen from a...
- Patent number 10,663,224
- Issue date May 26, 2020
- Praxair Technology, Inc.
- Neil M. Prosser
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Annular divided wall column for an air separation unit
- Patent number 10,578,355
- Issue date Mar 3, 2020
- Praxair Technology, Inc.
- Kevin J. Saboda
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Annular divided wall column with ring shaped collectors and distrib...
- Patent number 10,578,357
- Issue date Mar 3, 2020
- Praxair Technology, Inc.
- Kevin J. Saboda
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Annular divided wall column for an air separation unit having a rin...
- Patent number 10,578,356
- Issue date Mar 3, 2020
- Praxair Technology, Inc.
- Kevin J. Saboda
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method for the cryogenic separation of air and air separation plant
- Patent number 10,480,853
- Issue date Nov 19, 2019
- Linde Aktiengesellschaft
- Tobias Lautenschlager
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and device for the low-temperature separation of air at vari...
- Patent number 10,458,702
- Issue date Oct 29, 2019
- LINDE AKTINGESELLSCHAFT
- Dimitri Golubev
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Plant for producing oxygen by cryogenic air separation
- Patent number 10,401,083
- Issue date Sep 3, 2019
- Linde Aktiengesellschaft
- Stefan Lochner
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method for the production of air gases by the cryogenic separation...
- Patent number 10,302,356
- Issue date May 28, 2019
- 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
Apparatus for the production of air gases by the cryogenic separati...
- Patent number 10,281,206
- Issue date May 7, 2019
- L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
- Paul Kong
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for the production of air gases by the cryogenic separation...
- Patent number 10,281,207
- Issue date May 7, 2019
- 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...

Patents Applicationslast 30 patents

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
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
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
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
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
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 20210372696
- 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
Apparatus and Process for Liquefying Gases
- Publication number 20210164729
- Publication date Jun 3, 2021
- Terrence J. Ebert
- 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
ANNULAR DIVIDED WALL COLUMN
- Publication number 20200256616
- Publication date Aug 13, 2020
- Kirk F. Larson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SYSTEM AND METHOD FOR ENHANCED RECOVERY OF ARGON AND OXYGEN FROM A...
- Publication number 20200149806
- Publication date May 14, 2020
- Neil M. Prosser
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ANNULAR DIVIDED WALL COLUMN WITH RING SHAPED COLLECTORS AND DISTRIB...
- Publication number 20200149810
- Publication date May 14, 2020
- Kevin J. Saboda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
AIR SEPARATION METHOD AND APPARATUS
- Publication number 20200149808
- Publication date May 14, 2020
- Neil M. Prosser
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ANNULAR DIVIDED WALL COLUMN
- Publication number 20200149809
- Publication date May 14, 2020
- Kevin J. Saboda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
APPARATUS FOR THE DISTILLATION OF AIR BY CRYOGENIC DISTILLATION
- Publication number 20200132368
- Publication date Apr 30, 2020
- L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
- Patrice CAVAGNE
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHOD AND APPARATUS FOR AIR SEPARATION BY CRYOGENIC DISTILLATION
- Publication number 20200132367
- Publication date Apr 30, 2020
- 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 Application
Process and Apparatus for Separating Air Using a Split Heat Exchanger
- Publication number 20190368811
- Publication date Dec 5, 2019
- Air Products and Chemicals, Inc.
- Qiao Zhao
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD FOR ENHANCED RECOVERY OF ARGON AND OXYGEN FROM A...
- Publication number 20190331416
- Publication date Oct 31, 2019
- Neil M. Prosser
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ANNULAR DIVIDED WALL COLUMN FOR AN AIR SEPARATION UNIT
- Publication number 20190063829
- Publication date Feb 28, 2019
- Kevin J. Saboda
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ANNULAR DIVIDED WALL COLUMN FOR AN AIR SEPARATION UNIT HAVING A RIN...
- Publication number 20190063830
- Publication date Feb 28, 2019
- Kevin J. Saboda
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ANNULAR DIVIDED WALL COLUMN FOR AN AIR SEPARATION UNIT
- Publication number 20190063828
- Publication date Feb 28, 2019
- Kirk F. Larson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ANNULAR DIVIDED WALL COLUMN FOR AN AIR SEPARATION UNIT
- Publication number 20190063827
- Publication date Feb 28, 2019
- Kirk F. Larson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ANNULAR DIVIDED WALL COLUMN WITH RING SHAPED COLLECTORS AND DISTRIB...
- Publication number 20190063831
- Publication date Feb 28, 2019
- Kevin J. Saboda
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
METHOD AND DEVICE FOR OBTAINING PURE NITROGEN AND PURE OXYGEN BY LO...
- Publication number 20180372405
- Publication date Dec 27, 2018
- Linde Aktiengesellschaft
- Christoph WINDMEIER
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
PROCESS FOR OBTAINING ONE OR MORE AIR PRODUCTS AND AIR SEPARATION P...
- Publication number 20180347900
- Publication date Dec 6, 2018
- Linde Aktiengesellschaft
- Dimitri GOLUBEV
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
PROCESS FOR PRODUCING ONE OR MORE AIR PRODUCTS, AND AIR SEPARATION...
- Publication number 20180180357
- Publication date Jun 28, 2018
- Dimitri Golubev
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Application
PLANT FOR PRODUCING OXYGEN BY CRYOGENIC AIR SEPARATION
- Publication number 20180038645
- Publication date Feb 8, 2018
- Stefan Lochner
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

of nitrogen

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method and apparatus for air separation by cryogenic distillation

Method and apparatus for producing high-purity nitrogen and low-pur...

Cryogenic air separation unit with argon condenser vapor recycle

Method and unit for low-temperature air separation

Integrated nitrogen liquefier for a nitrogen and argon producing cr...

Fluid recovery process and apparatus

Apparatus and process for liquefying gases

Method and apparatus for the cryogenic separation of air

Method and apparatus for the cryogenic separation of air

Method and device for generating gaseous compressed nitrogen

Process for obtaining one or more air products and air separation p...

Process and apparatus for separating air using a split heat exchanger

Method and apparatus for obtaining a compressed gas product by cryo...

Apparatus for the distillation of air by cryogenic distillation

Annular divided wall column

Annular divided wall column

Annular divided wall column with ring shaped collectors and distrib...

Apparatus and process for liquefying gases

Distillation column system and plant for production of oxygen by cr...

Annular divided wall column for an air separation unit

System and method for enhanced recovery of argon and oxygen from a...

Annular divided wall column for an air separation unit

Annular divided wall column with ring shaped collectors and distrib...

Annular divided wall column for an air separation unit having a rin...

Method for the cryogenic separation of air and air separation plant

Method and device for the low-temperature separation of air at vari...

Plant for producing oxygen by cryogenic air separation

Method for the production of air gases by the cryogenic separation...

Apparatus for the production of air gases by the cryogenic separati...

Method for the production of air gases by the cryogenic separation...

Patents Applicationslast 30 patents

PROCESS AND PLANT FOR CRYOGENIC SEPARATION OF AIR

METHOD FOR OBTAINING ONE OR MORE AIR PRODUCTS, AND AIR FRACTIONATIO...

INTEGRATED NITROGEN LIQUEFIER FOR A NITROGEN AND ARGON PRODUCING CR...

NITROGEN AND ARGON PRODUCING AIR SEPARATION UNIT

CRYOGENIC AIR SEPARATION UNIT WITH ARGON CONDENSER VAPOR RECYCLE

FLUID RECOVERY PROCESS AND APPARATUS

METHOD AND APPARATUS FOR PRODUCING HIGH-PURITY NITROGEN AND LOW-PUR...

METHOD AND UNIT FOR LOW-TEMPERATURE AIR SEPARATION

ENHANCEMENTS TO A DUAL COLUMN NITROGEN PRODUCING CRYOGENIC AIR SEPA...

INTEGRATED NITROGEN LIQUEFIER FOR A NITROGEN AND ARGON PRODUCING CR...

Apparatus and Process for Liquefying Gases

CRYOGENIC RECTIFICATION PROCESS-BASED METHOD FOR PRODUCING AIR PROD...

ANNULAR DIVIDED WALL COLUMN

SYSTEM AND METHOD FOR ENHANCED RECOVERY OF ARGON AND OXYGEN FROM A...

ANNULAR DIVIDED WALL COLUMN WITH RING SHAPED COLLECTORS AND DISTRIB...

AIR SEPARATION METHOD AND APPARATUS

ANNULAR DIVIDED WALL COLUMN

APPARATUS FOR THE DISTILLATION OF AIR BY CRYOGENIC DISTILLATION

METHOD AND APPARATUS FOR AIR SEPARATION BY CRYOGENIC DISTILLATION

Process and Apparatus for Separating Air Using a Split Heat Exchanger

SYSTEM AND METHOD FOR ENHANCED RECOVERY OF ARGON AND OXYGEN FROM A...

ANNULAR DIVIDED WALL COLUMN FOR AN AIR SEPARATION UNIT

ANNULAR DIVIDED WALL COLUMN FOR AN AIR SEPARATION UNIT HAVING A RIN...

ANNULAR DIVIDED WALL COLUMN FOR AN AIR SEPARATION UNIT

ANNULAR DIVIDED WALL COLUMN FOR AN AIR SEPARATION UNIT

ANNULAR DIVIDED WALL COLUMN WITH RING SHAPED COLLECTORS AND DISTRIB...

METHOD AND DEVICE FOR OBTAINING PURE NITROGEN AND PURE OXYGEN BY LO...

PROCESS FOR OBTAINING ONE OR MORE AIR PRODUCTS AND AIR SEPARATION P...

PROCESS FOR PRODUCING ONE OR MORE AIR PRODUCTS, AND AIR SEPARATION...

PLANT FOR PRODUCING OXYGEN BY CRYOGENIC AIR SEPARATION