2688807

Information

• Patent Grant
• 2688807

• References
• Source

• Patent Number

  2,688,807

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1954
  70 years ago

• CPC

  • F26B17/266 - the materials to be dried being moved in a helical, spiral or circular path

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 198 - Conveyors: power-driven
  • 210 - Liquid purification or separation