3444855

Information

• Patent Grant
• 3444855

• References
• Source

• Patent Number

  3,444,855

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1969
  55 years ago

• CPC

  • F28F1/42 - the means being both outside and inside the tubular element
  • F22B27/02 - built-up from fire tubes
  • F22B37/06 - Flue or fire tubes Accessories therefor
  • F24H1/285 - with the fire tubes arranged alongside the combustion chamber
  • F28D7/1676 - with particular pattern of flow of the heat exchange media
  • F28F1/422 - with outside means integral with the tubular element and inside means integral with the tubular element
  • F28F2255/16 - extruded

• US Classifications

  • 126 - Stoves and furnaces
  • 165 - Heat exchange