3020894

Information

• Patent Grant
• 3020894

• References
• Source

• Patent Number

  3,020,894

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1962
  62 years ago

• CPC

  • F22B31/04 - Heat supply by installation of two or more combustion apparatus
  • F01K3/183 - one heater being a fired superheater
  • F22B21/341 - Vertical radiation boilers with combustion in the lower part
  • F22B21/343 - the vertical radiation combustion chamber being connected at its upper part to a sidewards convection chamber

• US Classifications

  • 122 - Liquid heaters and vaporizers