2994307

Information

• Patent Grant
• 2994307

• References
• Source

• Patent Number

  2,994,307

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1961
  64 years ago

• CPC

  • C10G9/20 - Tube furnaces
  • F22B21/06 - the water tubes being arranged annularly in sets
  • F22B21/40 - built-up from water tubes arranged in a comparatively long vertical shaft

• US Classifications

  • 122 - Liquid heaters and vaporizers