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Michel Delzenne
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Franconville, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Plasma cutting torch speed modulation
Patent number
7,015,416
Issue date
Mar 21, 2006
La Soudure Autogene Francaise
Michel Delzenne
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Plasma cutting torch electrode with an Hf/Zr insert
Patent number
6,911,619
Issue date
Jun 28, 2005
L'Air Liquide, Societe Anonyme pour l'Etude et, l'Exploitation des Procedes G...
Michel Delzenne
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
Information
Patent Grant
Combined process and automatic installation for plasma-jet marking...
Patent number
6,236,013
Issue date
May 22, 2001
La Soudure Autogene Francaise
Michel Delzenne
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electrode for a plasma torch
Patent number
6,011,238
Issue date
Jan 4, 2000
La Soudure Autogene Francaise
Christophe Bertez
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Plasma torch head with nozzle providing an improved cut and plasma...
Patent number
5,736,708
Issue date
Apr 7, 1998
La Soudure Autogene Francaise
Michel Delzenne
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Plasma cutting torch
Patent number
5,409,164
Issue date
Apr 25, 1995
La Soudure Autogrene Francaise
Michel Delzenne
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Cap for an arc torch and torch provided with said cap
Patent number
4,924,060
Issue date
May 8, 1990
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Michel Delzenne
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Arc working torch and machine, and cartridge for said torch
Patent number
4,914,271
Issue date
Apr 3, 1990
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Michel Delzenne
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process for striking an arc in electric welding and welding torch e...
Patent number
4,855,566
Issue date
Aug 8, 1989
L'Air Liquide
Jean-Francois Hays
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Plasma cutting process and unit with current slaved to the plasma gas
Publication number
20050173381
Publication date
Aug 11, 2005
L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour I...
Michel Delzenne
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Nozzle with a deflector for a plasma arc torch
Publication number
20050133484
Publication date
Jun 23, 2005
Michel Delzenne
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method and installation for modulated plasma jet cutting at sharp c...
Publication number
20050077271
Publication date
Apr 14, 2005
Michel Delzenne
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Plasma cutting process with dual gas flow
Publication number
20040211760
Publication date
Oct 28, 2004
Michel Delzenne
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Plasma cutting torch electrode with an Hf/Zr insert
Publication number
20040195220
Publication date
Oct 7, 2004
Michel Delzenne
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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