3868213

Information

• Patent Grant
• 3868213

• References
• Source

• Patent Number

  3,868,213

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1975
  50 years ago

• CPC

  • F27B17/00 - Furnaces of a kind not covered by any preceding group
  • F26B3/34 - by using electrical effects
  • F26B17/266 - the materials to be dried being moved in a helical, spiral or circular path
  • F27B9/16 - the charge moving in a circular or arcuate path
  • F27B9/2453 - Vibrating conveyor (shaker hearth furnace)

• US Classifications

  • 432 - Heating
  • 034 - Drying and gas or vapor contact with solids