2657347

Information

• Patent Grant
• 2657347

• References
• Source

• Patent Number

  2,657,347

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1953
  71 years ago

• CPC

  • G05B11/32 - with inputs from more than one sensing element with outputs to more than one correcting element
  • F22B35/06 - for steam boilers of forced-flow type

• US Classifications

  • 318 - Electricity: motive power systems
  • 073 - Measuring and testing
  • 122 - Liquid heaters and vaporizers
  • 236 - Automatic temperature and humidity regulation