1673918

Information

• Patent Grant
• 1673918

• References
• Source

• Patent Number

  1,673,918

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1928
  96 years ago

• CPC

  • F28D7/026 - the conduits of only one medium being helically coiled and formed by bent members
  • Y10S165/355 - having separate flow passage for two distinct fluids

• US Classifications

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