347228

Information

• Patent Grant
• 347228

• References
• Source

• Patent Number

  347,228

• Date Filed

  Not available

• Date Issued

  Tuesday, August 10, 1886
  138 years ago

• CPC

  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • Y10S165/437 - Coiled

• US Classifications

  • 165 - Heat exchange