1859857

Information

• Patent Grant
• 1859857

• References
• Source

• Patent Number

  1,859,857

• Date Filed

  Not available

• Date Issued

  Tuesday, May 24, 1932
  92 years ago

• CPC

  • F22B31/04 - Heat supply by installation of two or more combustion apparatus
  • F22B19/00 - Water-tube boilers of combined horizontally-inclined type and vertical type
  • F22B29/04 - of combined-circulation type, i.e. in which convection circulation due to the difference in specific gravity between cold and hot water is promoted by additional measures
  • Y10S122/01 - Air heater

• US Classifications

  • 122 - Liquid heaters and vaporizers