3823693

Information

• Patent Grant
• 3823693

• References
• Source

• Patent Number

  3,823,693

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1974
  50 years ago

• CPC

  • F22B17/105 - with tubes in series flow arrangement
  • F22B31/0038 - with tubes in the bed

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 110 - Furnaces