3349842

Information

• Patent Grant
• 3349842

• References
• Source

• Patent Number

  3,349,842

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1967
  57 years ago

• CPC

  • F28D7/08 - the conduits being otherwise bent
  • F22D1/00 - Feed-water heaters
  • F22D1/32 - arranged to be heated by steam
  • Y10S165/441 - Helical

• US Classifications

  • 165 - Heat exchange