4. Metallurgical apparatus
  5. Means treating a continuum of work
  6. With heating means

John R. Kay

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Apparatus for removal of sand from metal castings

Metal founding – Process – Shaping liquid metal against a forming surface
Reexamination Certificate

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Dual belt furnace

Metallurgical apparatus – Means treating a continuum of work – With heating means
Patent

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Method and apparatus for quenching metal workpieces

Metallurgical apparatus – Process – Cooling
Reexamination Certificate

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Profile ID: LFUS-PAI-P-711480

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