621074

Information

• Patent Grant
• 621074

• References
• Source

• Patent Number

  621,074

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1899
  125 years ago

• CPC

  • F28D11/02 - the movement being rotary
  • Y10S165/143 - Discrete tubing having length extending along a longitudinal axis of rotating heat exchanger

• US Classifications

  • 165 - Heat exchange
  • 034 - Drying and gas or vapor contact with solids