1478734

Information

• Patent Grant
• 1478734

• References
• Source

• Patent Number

  1,478,734

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1923
  101 years ago

• CPC

  • B02B1/06 - Devices with rotary parts
  • Y10S165/226 - Screw conveyor

• US Classifications

  • 165 - Heat exchange
  • 034 - Drying and gas or vapor contact with solids
  • 134 - Cleaning and liquid contact with solids
  • 366 - Agitating