4. Plastic and nonmetallic article shaping or treating: processes
  5. Forming continuous or indefinite length work
  6. Shaping by extrusion

Gerald R. O'Brien, Jr.

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Acetylene recovery process and apparatus

Gas separation – Means within gas stream for conducting concentrate to collector
Patent

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Apparatus for blending granular materials

Agitating – By injecting gas into mixing chamber
Patent

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Apparatus for filling bulk material containers

Fluent material handling – with receiver or receiver coacting mea – Automatic control of flow cutoff or diversion – Level or overflow responsive
Patent

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Apparatus for the extrusion of cellular thermoplastic material

Agitating – Rubber or heavy plastic working – With specified feed means
Patent

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Bulk material containers

Cutlery
Patent

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