394899

Information

• Patent Grant
• 394899

• References
• Source

• Patent Number

  394,899

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1888
  136 years ago

• CPC

  • F28D21/0003 - the heat being recuperated from exhaust gases
  • F28F27/02 - for controlling the distribution of heat-exchange media between different channels
  • Y10S165/112 - Stove pipe drum having air draft passage for heating ambient air

• US Classifications

  • 165 - Heat exchange
  • 122 - Liquid heaters and vaporizers
  • 126 - Stoves and furnaces