461577

Information

• Patent Grant
• 461577

• References
• Source

• Patent Number

  461,577

• Date Filed

  Not available

• Date Issued

  Tuesday, October 20, 1891
  133 years ago

• CPC

  • F28D11/02 - the movement being rotary
  • Y10S165/141 - Concentric flow confining structures or chambers

• US Classifications

  • 165 - Heat exchange
  • 366 - Agitating