1233047

Information

• Patent Grant
• 1233047

• References
• Source

• Patent Number

  1,233,047

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1917
  107 years ago

• CPC

  • F01K3/22 - Controlling
  • Y10S122/15 - Valves

• US Classifications

  • 060 - Power plants
  • 110 - Furnaces
  • 122 - Liquid heaters and vaporizers
  • 236 - Automatic temperature and humidity regulation