2165854

Information

• Patent Grant
• 2165854

• References
• Source

• Patent Number

  2,165,854

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1939
  85 years ago

• CPC

  • F24F5/0046 - using natural energy
  • F24F2005/0053 - receiving heat-exchange fluid from a well
  • Y02B10/40 - Geothermal heat-pumps

• US Classifications

  • 165 - Heat exchange
  • 062 - Refrigeration