3818975

Information

• Patent Grant
• 3818975

• References
• Source

• Patent Number

  3,818,975

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1974
  50 years ago

• CPC

  • F28D15/00 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
  • F22B1/066 - with double-wall tubes having a third fluid between these walls
  • F28D7/106 - consisting of two coaxial conduits or modules of two coaxial conduits
  • F28F9/0239 - floating header boxes

• US Classifications

  • 165 - Heat exchange
  • 208 - Mineral oils: processes and products