3088494

Information

• Patent Grant
• 3088494

• References
• Source

• Patent Number

  3,088,494

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1963
  61 years ago

• CPC

  • F22B37/103 - Internally ribbed tubes
  • F28F1/40 - the means being only inside the tubular element
  • Y10T29/49382 - Helically finned
  • Y10T29/49384 - Internally finned

• US Classifications

  • 138 - Pipes and tubular conduits
  • 029 - Metal working
  • 165 - Heat exchange