2697422

Information

• Patent Grant
• 2697422

• References
• Source

• Patent Number

  2,697,422

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1954
  70 years ago

• CPC

  • F23C99/00 - Subject-matter not provided for in other groups of this subclass
  • F22B37/141 - involving vertically-disposed water tubes
  • F22B37/147 - Tube arrangements for cooling orifices, doors and burners
  • F22G5/02 - Applications of combustion-control devices
  • F23C2700/023 - without pre-vaporising means

• US Classifications

  • 122 - Liquid heaters and vaporizers