3664929

Information

• Patent Grant
• 3664929

• References
• Source

• Patent Number

  3,664,929

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1972
  52 years ago

• CPC

  • H05B3/60 - Heating arrangements wherein the heating current flows through granular powdered or fluid material
  • F24H1/225 - electrical central heating boilers
  • Y10S159/01 - Electric heat
  • Y10S203/11 - Batch distillation

• US Classifications

  • 203 - Distillation: processes, separatory
  • 159 - Concentrating evaporators
  • 202 - Distillation: apparatus
  • 392 - Electric resistance heating devices