3489209

Information

• Patent Grant
• 3489209

• References
• Source

• Patent Number

  3,489,209

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1970
  54 years ago

• CPC

  • F28D1/05366 - Assemblies of conduits connected to common headers
  • F28D1/0475 - the conduits having a single U-bend
  • F28D7/06 - the conduits having a single U-bend
  • F28D7/1653 - the conduit assemblies having a square or rectangular shape
  • F28D7/1684 - the conduits having a non-circular cross-section
  • F28F9/16 - by permanent joints
  • F28F19/06 - of metal
  • F28F21/062 - the heat-exchange apparatus employing tubular conduits
  • F28F2225/04 - for conduits
  • Y10S159/15 - Special material
  • Y10S159/21 - Coating
  • Y10S165/905 - Materials of manufacture

• US Classifications

  • 165 - Heat exchange
  • 159 - Concentrating evaporators