3385356

Information

• Patent Grant
• 3385356

• References
• Source

• Patent Number

  3,385,356

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1968
  56 years ago

• CPC

  • F24H1/282 - with flue gas passages built-up by coaxial water mantles
  • B23K20/227 - with ferrous layer
  • F24H3/105 - using fluid combustibles
  • F24H9/0026 - in combustion gas channels
  • F28F1/124 - and being formed of pins
  • F28F1/24 - and extending transversely
  • Y10T29/49378 - Finned tube

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working
  • 122 - Liquid heaters and vaporizers