4. Metallurgical apparatus
  5. Means for melting or vaporizing metal or treating liquefied...
  6. By separating metal in a molten mass from undesired...

Robert J. Koffron

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Method and apparatus for delivering metallurgically improved...

Metallurgical apparatus – Process – Plugging or tapping
Reexamination Certificate

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Method and apparatus for metal pouring

Specialized metallurgical processes – compositions for use therei – Processes – Process control responsive to sensed condition
Reexamination Certificate

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Method and apparatus for process and quality control in the prod

Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Patent

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Method and apparatus for slag separation sensing

Metallurgical apparatus – Process – Plugging or tapping
Patent

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Vortex inhibitor for molten metal discharge

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By separating metal in a molten mass from undesired...
Reissue Patent

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Profile ID: LFUS-PAI-P-881310

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