4. Electric heating
  5. Metal heating
  6. Nonatmospheric environment at hot spot

Donald R. Watts

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Angular and swiveling head for gas consuming electric welding to

Electric heating – Metal heating – Nonatmospheric environment at hot spot
Patent

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Collet system for arc welding torches

Electric heating – Metal heating – By arc
Patent

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Pipe cutting machine

Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes – With means for cutting tubular workpiece
Patent

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Profile ID: LFUS-PAI-P-209425

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