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Patents Grants
last 30 patents
Information
Patent Grant
Plasma torch provided with a ceramic protective cap
Patent number
6,639,174
Issue date
Oct 28, 2003
La Soudure Autogene Francaise
Regis Augeraud
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Oxygen arc cutting with plasma pre-heating of ferrous materials, su...
Patent number
6,469,274
Issue date
Oct 22, 2002
La Soudure Autogene Francaise
Michel Delzenne
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process and unit for plasma-arc working with a gas having controlle...
Patent number
6,407,358
Issue date
Jun 18, 2002
L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour l...
Regis Augeraud
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process and unit for plasma-arc working with a gas mixture based on...
Patent number
6,333,481
Issue date
Dec 25, 2001
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Regis Augeraud
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Plasma torch provided with a ceramic protective cap
Publication number
20020125220
Publication date
Sep 12, 2002
Regis Augeraud
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Process and unit for plasma-arc working with a gas having controlle...
Publication number
20010019041
Publication date
Sep 6, 2001
L'Air Liquide, Societe Anonyme
Regis Augeraud
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Process and unit for. plasma-arc working with a gas mixture based o...
Publication number
20010019042
Publication date
Sep 6, 2001
L'Air Liquide, Societe Anonyme
Regis Augeraud
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR