1987891

Information

• Patent Grant
• 1987891

• References
• Source

• Patent Number

  1,987,891

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1935
  91 years ago

• CPC

  • F28D7/0058 - the conduits for only one medium being tubes having different orientations to each other or crossing the conduit for the other heat exchange medium
  • F28F9/0229 - Double end plates; Single end plates with hollow spaces
  • F28F9/0239 - floating header boxes
  • F28F2009/224 - Longitudinal partitions
  • F28F2265/16 - for preventing leakage
  • Y10S165/008 - Leakage

• US Classifications

  • 165 - Heat exchange
  • 073 - Measuring and testing