3421229

Information

• Patent Grant
• 3421229

• References
• Source

• Patent Number

  3,421,229

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1969
  55 years ago

• CPC

  • A23L3/0155 - using sub- or super-atmospheric pressures, or pressure variations transmitted by a liquid or gas
  • A23L3/001 - Details of apparatus
  • A23L3/185 - in solid state
  • A23L3/44 - Freeze-drying
  • B01J3/02 - Feed or outlet devices therefor
  • B65G53/44 - Endless conveyors
  • F26B5/041 - for drying flowable materials
  • F26B25/008 - Seals, locks

• US Classifications

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