91940

Information

• Patent Grant
• 91940

• References
• Source

• Patent Number

  91,940

• Date Filed

  Not available

• Date Issued

  Tuesday, June 29, 1869
  155 years ago

• CPC

  • F28F13/16 - by applying an electrostatic field to the body of the heat-exchange medium
  • Y10S165/128 - including air draft passage for heating ambient air

• US Classifications

  • 165 - Heat exchange