3920069

Information

• Patent Grant
• 3920069

• References
• Source

• Patent Number

  3,920,069

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1975
  49 years ago

• CPC

  • F28F9/0224 - Header boxes formed by sealing end plates into covers
  • F28F1/022 - with multiple channels
  • F28F9/182 - the heat-exchange conduits having ends with a particular shape
  • Y10S165/476 - Fusion joint
  • Y10T29/49377 - Tube with heat transfer means

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working