3470943

Information

• Patent Grant
• 3470943

• References
• Source

• Patent Number

  3,470,943

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1969
  55 years ago

• CPC

  • F24J3/081 - by circulating a working fluid through underground channels, the working fluid not coming into direct contact with the ground
  • F03G7/04 - using pressure differences or thermal differences occurring in nature
  • Y02E10/12 - Earth coil heat exchangers
  • Y10S159/902 - using natural heat
  • Y10S203/06 - Reactor-distillation
  • Y10S203/11 - Batch distillation
  • Y10S203/21 - Acrylic acid or ester

• US Classifications

  • 165 - Heat exchange
  • 047 - Plant husbandry
  • 060 - Power plants
  • 159 - Concentrating evaporators
  • 202 - Distillation: apparatus
  • 203 - Distillation: processes, separatory