702994

Information

• Patent Grant
• 702994

• References
• Source

• Patent Number

  702,994

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1902
  122 years ago

• CPC

  • B29C47/84 - Heating or cooling the screws
  • F28F5/06 - Hollow screw conveyors
  • Y10S165/151 - having hollow blade
  • Y10S261/43 - Air coolers

• US Classifications

  • 165 - Heat exchange
  • 261 - Gas and liquid contact apparatus