446580

Information

• Patent Grant
• 446580

• References
• Source

• Patent Number

  446,580

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1891
  133 years ago

• CPC

  • F28D1/05358 - Assemblies of conduits connected side by side or with individual headers
  • F28D1/0233 - with air flow channels
  • Y10S165/327 - Thermosyphonic having vertical air draft passage

• US Classifications

  • 165 - Heat exchange
  • 122 - Liquid heaters and vaporizers
  • D23 - Environmental heating and cooling