521832

Information

• Patent Grant
• 521832

• References
• Source

• Patent Number

  521,832

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1894
  130 years ago

• CPC

  • F28F13/16 - by applying an electrostatic field to the body of the heat-exchange medium
  • Y10S165/103 - Valves each controls a radiator section

• US Classifications

  • 165 - Heat exchange
  • 251 - Valves and valve actuation