3688837

Information

• Patent Grant
• 3688837

• References
• Source

• Patent Number

  3,688,837

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • F28F1/02 - Tubular elements of cross-section which is non-circular
  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • F28F5/04 - Hollow impellers
  • Y10S165/149 - having hollow blade

• US Classifications

  • 165 - Heat exchange