3672446

Information

• Patent Grant
• 3672446

• References
• Source

• Patent Number

  3,672,446

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1972
  52 years ago

• CPC

  • B21C37/225 - longitudinally-ribbed tubes
  • B21D53/02 - heat exchangers or parts thereof
  • F17C9/02 - with change of state
  • F25B39/02 - Evaporators
  • F28F1/14 - and extending longitudinally
  • F28F1/20 - the means being attachable to the element
  • F17C2203/0646 - Aluminium
  • F17C2227/0393 - using a vaporiser
  • F28D2021/0064 - Vaporizers

• US Classifications

  • 165 - Heat exchange
  • 285 - Pipe joints or couplings