3596639

Information

• Patent Grant
• 3596639

• References
• Source

• Patent Number

  3,596,639

• Date Filed

  Not available

• Date Issued

  Tuesday, August 3, 1971
  53 years ago

• CPC

  • F22B7/12 - with auxiliary fire tubes Arrangement of header boxes providing for return diversion of flue gas flow
  • F24H1/282 - with flue gas passages built-up by coaxial water mantles

• US Classifications

  • 122 - Liquid heaters and vaporizers