1133825

Information

• Patent Grant
• 1133825

• References
• Source

• Patent Number

  1,133,825

• Date Filed

  Not available

• Date Issued

  Tuesday, March 30, 1915
  110 years ago

• CPC

  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • Y10S165/404 - Serially connected separate shells

• US Classifications

  • 165 - Heat exchange
  • 048 - Gas: heating and illuminating
  • 123 - Internal-combustion engines