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Anne Dubois
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Le Chesnay, FR
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last 30 patents
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Patent Grant
Portable oxygen concentrator
Patent number
6,520,176
Issue date
Feb 18, 2003
L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour l...
Anne Dubois
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the production of oxygen by adsorption with transatmosp...
Patent number
6,287,366
Issue date
Sep 11, 2001
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Nathalie Derive
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process and unit for producing oxygen by adsorption with a short cycle
Patent number
6,171,371
Issue date
Jan 9, 2001
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Nathalie Derive
C01 - INORGANIC CHEMISTRY