4. Liquid heaters and vaporizers
  5. Supports

David E. Helmbold

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Apparatus for dispensing particulate matter

Furnaces – Fuel feeders – Feeder responsive to fuel bed height
Patent

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Ash-removal conveyor for a coal-fired boiler

Furnaces – Ash receiving and handling devices – Ashpans
Patent

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Bulk curing with solid fuel

Heating – Boiler and work heating furnace – pot or oven
Patent

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Liquid distributor head actuated by fluid pressure

Liquid heaters and vaporizers – Feed heaters
Patent

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Steam boilers

Liquid heaters and vaporizers – Fire tube – Vertical
Patent

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Profile ID: LFUS-PAI-P-242097

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