3570458

Information

• Patent Grant
• 3570458

• References
• Source

• Patent Number

  3,570,458

• Date Filed

  Not available

• Date Issued

  Tuesday, March 16, 1971
  54 years ago

• CPC

  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • F22B1/1884 - Hot gas heating tube boilers with one or more heating tubes
  • F22B9/04 - the fire tubes being in upright arrangement
  • F22B25/00 - Water-tube boilers built-up from sets of water tubes with internally-arranged flue tubes, or fire tubes, extending through the water tubes

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 165 - Heat exchange