3809530

Information

• Patent Grant
• 3809530

• References
• Source

• Patent Number

  3,809,530

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • A23B7/0205 - by contact of the material with fluids
  • F26B15/205 - the objects or batches of materials being carried by a vertical stack of foraminous trays or shelves either moving through a shaft or forming, with their edges, a moving shaft, the shaft being supplied with drying air
  • F26B21/08 - Humidity
  • F26B21/14 - using gases or vapours other than air or steam
  • F26B25/008 - Seals, locks

• US Classifications

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