2233215

Information

• Patent Grant
• 2233215

• References
• Source

• Patent Number

  2,233,215

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1941
  84 years ago

• CPC

  • F24B7/005 - Flue-gas ducts
  • F23J15/06 - of coolers
  • F24H3/008 - using solid combustibles
  • F24H3/088 - using solid combustibles
  • F24H9/0052 - for air heaters
  • F28D7/1684 - the conduits having a non-circular cross-section
  • F28F2250/08 - Fluid driving means
  • Y02E20/363 - at fumes level

• US Classifications

  • 165 - Heat exchange