3685496

Information

• Patent Grant
• 3685496

• References
• Source

• Patent Number

  3,685,496

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1972
  52 years ago

• CPC

  • F22B7/06 - inside the furnace tube in transverse arrangements
  • F22B9/12 - the fire tubes being in substantially horizontal arrangement

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 431 - Combustion