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Norbert Rieth
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Paris, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Process and plant with oxygen-enriched air feed for a non-ferrous m...
Patent number
6,576,040
Issue date
Jun 10, 2003
L'Air Liquide - Societe Anonyme a Directoire et Conseil de Surveillance pour...
Didier Magnet
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for supplying impure oxygen to a synthesis-gas production unit
Patent number
6,247,333
Issue date
Jun 19, 2001
L'Air Liquide, Societe Anonyme pour l'Etrude et l'Exploitation des Procedes G...
Norbert Rieth
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and plant for air separation by cryogenic distillation
Patent number
5,901,577
Issue date
May 11, 1999
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Martine Pelle
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and installation for the separation of a gaseous mixture by...
Patent number
5,548,975
Issue date
Aug 27, 1996
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Norbert Rieth
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and installation for the production of oxygen and/or nitrog...
Patent number
5,515,688
Issue date
May 14, 1996
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Norbert Rieth
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and installation for the production of gaseous oxygen and/o...
Patent number
5,477,689
Issue date
Dec 26, 1995
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Alain Guillard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and installation for the production of at least one gas fro...
Patent number
5,463,870
Issue date
Nov 7, 1995
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Norbert Rieth
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and installation for the production of at least one gaseous...
Patent number
5,428,962
Issue date
Jul 4, 1995
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Norbert Rieth
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and installation for the production of gaseous oxygen and/o...
Patent number
5,412,953
Issue date
May 9, 1995
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Bernard Darredeau
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process and installation for the production of gaseous oxygen under...
Patent number
5,408,831
Issue date
Apr 25, 1995
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Alain Guillard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for the construction of a cryogenic unit for the separation...
Patent number
5,349,827
Issue date
Sep 27, 1994
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Gilles Bracque
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Patents Applications
last 30 patents
Information
Patent Application
Oxygen-enriched air feed for a non-ferrous metal production unit
Publication number
20020033566
Publication date
Mar 21, 2002
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEO...
Didier Magnet
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...