3007680

Information

• Patent Grant
• 3007680

• References
• Source

• Patent Number

  3,007,680

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1961
  63 years ago

• CPC

  • F28F3/025 - the means being corrugated, plate-like elements
  • B21D53/027 - by helically or spirally winding elongated elements
  • F28D7/04 - the conduits being spirally coiled
  • F28D9/04 - the conduits being formed by spirally-wound plates or laminae
  • Y10S165/496 - Spiral or helical coil
  • Y10T29/49378 - Finned tube

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working