1222801

Information

• Patent Grant
• 1222801

• References
• Source

• Patent Number

  1,222,801

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1917
  107 years ago

• CPC

  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • Y10S165/439 - Serially connected conduit assemblies

• US Classifications

  • 165 - Heat exchange
  • 196 - Mineral oils: apparatus