515440

Information

• Patent Grant
• 515440

• References
• Source

• Patent Number

  515,440

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1894
  131 years ago

• CPC

  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • Y10S165/404 - Serially connected separate shells

• US Classifications

  • 165 - Heat exchange