4. Electric heating
  5. Metal heating
  6. By arc

Alan F. Smith

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Engine driven converter with feedback control

Electric heating – Metal heating – By arc
Reexamination Certificate

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Method and apparatus for detecting shorted rectifying...

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate

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Method and apparatus for electronically controlling the output o

Electric heating – Metal heating – By arc
Patent

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Method and apparatus for electronically controlling the output o

Electric heating – Metal heating – By arc
Patent

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Separate exciter windings for weld and auxiliary power

Electric heating – Metal heating – By arc
Reexamination Certificate

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Profile ID: LFUS-PAI-P-125614

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