66389

Information

• Patent Grant
• 66389

• References
• Source

• Patent Number

  66,389

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1867
  157 years ago

• CPC

  • F28F19/008 - by using scrapers
  • Y10S165/084 - Scraper within annular space formed by concentric cylinders or concentric conical surfaces

• US Classifications

  • 165 - Heat exchange
  • 366 - Agitating