13721

Information

• Patent Grant
• 13721

• References
• Source

• Patent Number

  13,721

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1855
  169 years ago

• CPC

  • F28F13/12 - by creating turbulence
  • Y10S165/325 - Blade sections mounted along rotating shaft

• US Classifications

  • 165 - Heat exchange