277012

Information

• Patent Grant
• 277012

• References
• Source

• Patent Number

  277,012

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1883
  141 years ago

• CPC

  • F28D3/02 - with tubular conduits
  • Y10S165/165 - Film formed on spirally coiled member

• US Classifications

  • 165 - Heat exchange
  • 122 - Liquid heaters and vaporizers
  • 159 - Concentrating evaporators