1785159

Information

• Patent Grant
• 1785159

• References
• Source

• Patent Number

  1,785,159

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1930
  94 years ago

• CPC

  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • F24D3/087 - Tap water heat exchangers specially adapted therefore
  • F28F1/24 - and extending transversely
  • Y10S165/406 - Helically or spirally shaped

• US Classifications

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