1278311

Information

• Patent Grant
• 1278311

• References
• Source

• Patent Number

  1,278,311

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1918
  106 years ago

• CPC

  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • Y10S159/41 - Removable units
  • Y10S165/438 - Helical

• US Classifications

  • 165 - Heat exchange
  • 159 - Concentrating evaporators