1620289

Information

• Patent Grant
• 1620289

• References
• Source

• Patent Number

  1,620,289

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1927
  97 years ago

• CPC

  • F26B21/022 - with provisions for changing the drying gas flow pattern
  • F26B9/063 - for drying granular material in bulk

• US Classifications

  • 034 - Drying and gas or vapor contact with solids