931695

Information

• Patent Grant
• 931695

• References
• Source

• Patent Number

  931,695

• Date Filed

  Not available

• Date Issued

  Tuesday, August 17, 1909
  115 years ago

• CPC

  • B29C47/84 - Heating or cooling the screws
  • F28F5/06 - Hollow screw conveyors
  • Y10S165/143 - Discrete tubing having length extending along a longitudinal axis of rotating heat exchanger

• US Classifications

  • 165 - Heat exchange
  • 034 - Drying and gas or vapor contact with solids
  • 138 - Pipes and tubular conduits