2136153

Information

• Patent Grant
• 2136153

• References
• Source

• Patent Number

  2,136,153

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1938
  86 years ago

• CPC

  • F28D9/04 - the conduits being formed by spirally-wound plates or laminae
  • B21D53/027 - by helically or spirally winding elongated elements
  • Y10S165/398 - Spirally bent heat exchange plate
  • Y10T29/4935 - Heat exchanger or boiler making

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working