3828738

Information

• Patent Grant
• 3828738

• References
• Source

• Patent Number

  3,828,738

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1974
  50 years ago

• CPC

  • F22B29/00 - Steam boilers of forced-flow type
  • F22B35/101 - operating with superimposed recirculation during starting or low load periods
  • F22B35/105 - operating at sliding pressure
  • F22D11/00 - Feed-water supply not provided for in other main groups

• US Classifications

  • 122 - Liquid heaters and vaporizers