777083

Information

• Patent Grant
• 777083

• References
• Source

• Patent Number

  777,083

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1904
  120 years ago

• CPC

  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • Y10S165/441 - Helical

• US Classifications

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