4. Heat exchange
  5. Flow passages for two confined fluids
  6. Interdigitated plural first and plural second fluid passages

David A. Dawson

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Exciter mass assembly for a vibratory device

Conveyors: power-driven – Conveyor section – Reciprocating conveying surface
Reexamination Certificate

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Heat exchanger

Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Patent

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Heat exchanger

Heat exchange – Flow passages for two confined fluids – Interdigitated plural first and plural second fluid passages
Patent

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Nosepiece for directing a charge into a furnace

Metallurgical apparatus – Means for treating ores or for extracting metals – By means applying heat to work – e.g. – furnace
Reexamination Certificate

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Profile ID: LFUS-PAI-P-76881

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