3171389

Information

• Patent Grant
• 3171389

• References
• Source

• Patent Number

  3,171,389

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1965
  59 years ago

• CPC

  • F22B37/101 - Tubes having fins or ribs
  • F17C9/02 - with change of state
  • F22B37/10 - Water tubes Accessories therefor
  • F28F1/20 - the means being attachable to the element
  • F28F1/30 - the means being attachable to the element
  • F28F1/36 - the means being helically wound fins or wire spirals
  • F17C2201/0119 - with flat end-piece
  • F17C2201/0138 - tubular
  • F17C2205/018 - Supporting feet
  • F17C2223/0161 - cryogenic

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 062 - Refrigeration
  • 165 - Heat exchange