1915352

Information

• Patent Grant
• 1915352

• References
• Source

• Patent Number

  1,915,352

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1933
  91 years ago

• CPC

  • F28D7/0041 - the conduits for only one medium being tubes having parts touching each other or tubes assembled in panel form
  • B21D53/027 - by helically or spirally winding elongated elements
  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • Y10S165/414 - for supporting coil tubes
  • Y10T29/49362 - Tube wound about tube

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working
  • 122 - Liquid heaters and vaporizers
  • 138 - Pipes and tubular conduits