Electric heating – Metal heating – By arc
Reexamination Certificate
2005-08-30
2011-12-20
Paschall, Mark (Department: 3742)
Electric heating
Metal heating
By arc
C219S130100, C219S137900
Reexamination Certificate
active
08080762
ABSTRACT:
An electric arc welding machine includes a manual welding tool, an electric power unit, and a cable electrically connecting the welding tool and the electric power unit. The electric power unit includes an electric power converter, an electronic central control unit, and a control panel that allows the user to manually set a desired operating mode and operating specifications based upon equipment selected from a memory module. The electronic central control unit provides real-time control over electric power supplied to the welding tool in accordance with the manually set operating mode and selected equipment.
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Lowther Mark
Martin Alberto
ITW Welding Products Italy S.R.L.
Lowe Hauptman & Ham & Berner, LLP
Paschall Mark
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