923047

Information

• Patent Grant
• 923047

• References
• Source

• Patent Number

  923,047

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1909
  115 years ago

• CPC

  • B29C47/84 - Heating or cooling the screws
  • F28F5/06 - Hollow screw conveyors
  • Y10S165/148 - Auger

• US Classifications

  • 165 - Heat exchange