452973

Information

• Patent Grant
• 452973

• References
• Source

• Patent Number

  452,973

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1891
  134 years ago

• CPC

  • B01F15/068 - using heated or cooled stirrers
  • Y10S165/155 - Tubing has radially or axially extending sections

• US Classifications

  • 165 - Heat exchange
  • 366 - Agitating
  • 475 - Planetary gear transmission systems or components