3604505

Information

• Patent Grant
• 3604505

• References
• Source

• Patent Number

  3,604,505

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1971
  53 years ago

• CPC

  • F24C3/004 - of the closed type
  • F24C15/32 - Arrangements of ducts for hot gases
  • F28D9/0025 - the conduits being formed by zig-zag bend plates
  • F28F3/04 - the means being integral with the element
  • F28F13/08 - by varying the cross-section of the flow channels
  • Y10S165/337 - Heating or cooling means entirely surrounded by air draft passage forming casing

• US Classifications

  • 165 - Heat exchange
  • 126 - Stoves and furnaces