3687194

Information

• Patent Grant
• 3687194

• References
• Source

• Patent Number

  3,687,194

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • F28F1/32 - the means having portions engaging further tubular elements
  • B21C37/22 - Making finned or ribbed tubes by fixing strip or like material to tubes
  • B22D19/0063 - finned exchangers
  • F28F1/12 - the means being only outside the tubular element
  • Y10S165/522 - Transverse fins spaced along conduit
  • Y10T29/49378 - Finned tube

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working