Electric heating – Metal heating – By arc
Reexamination Certificate
2006-06-09
2009-06-16
Van, Quang T (Department: 3742)
Electric heating
Metal heating
By arc
C219S121360, C219S121560, C219S121110, C164S046000
Reexamination Certificate
active
07547861
ABSTRACT:
A vortex generator uses a single piece to generate the vortex and hold the electrode. The single piece may be a non-conductive material such as a ceramic. The vortex generator may use threads to hold the electrode. The threads and holes for generating the vortex may be bored into the base material of the vortex generator before the base material is hardened.
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Foley & Lardner LLP
Van Quang T
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