1661116

Information

• Patent Grant
• 1661116

• References
• Source

• Patent Number

  1,661,116

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1928
  96 years ago

• CPC

  • F28D1/0233 - with air flow channels
  • F28D1/05333 - with multiple rows of conduits or with multi-channel conduits
  • Y10S165/332 - Coaxial ducts define air draft passage and annular passage for heat exchange fluid

• US Classifications

  • 165 - Heat exchange