3887004

Information

• Patent Grant
• 3887004

• References
• Source

• Patent Number

  3,887,004

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1975
  49 years ago

• CPC

  • F28F13/12 - by creating turbulence
  • F28F1/42 - the means being both outside and inside the tubular element
  • F28F1/32 - the means having portions engaging further tubular elements
  • F28F1/40 - the means being only inside the tubular element
  • F28F2255/16 - extruded
  • Y10S165/52 - Internal and external
  • Y10T29/4938 - Common fin traverses plurality of tubes
  • Y10T29/49384 - Internally finned

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working