89900

Information

• Patent Grant
• 89900

• References
• Source

• Patent Number

  89,900

• Date Filed

  Not available

• Date Issued

  Tuesday, May 11, 1869
  155 years ago

• CPC

  • F28D5/02 - in which the evaporating medium flows in a continuous film or trickles freely over the conduits
  • Y10S165/177 - Film flows along upper surface of tray

• US Classifications

  • 165 - Heat exchange
  • 099 - Foods and beverages: apparatus