4. Heat exchange
  5. Non-communicating coaxial enclosures

H & H Tube & Mfg. Co.

Corporate Assignee

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Fluid flow assembly for solar heat collectors or radiators

Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent

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Heat transfer tube assembly

Heat exchange – Non-communicating coaxial enclosures
Patent

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Heat transfer tube assembly

Metal working – Method of mechanical manufacture – Assembling or joining
Patent

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Solar heat absorber for solar heat collectors

Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent

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