3382346

Information

• Patent Grant
• 3382346

• References
• Source

• Patent Number

  3,382,346

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1968
  56 years ago

• CPC

  • G05D23/121 - characterised by the sensing element
  • B01L7/02 - Water baths Sand baths Air baths
  • G05D23/1919 - characterised by the type of controller
  • G05D23/20 - with sensing elements having variation of electric or magnetic properties with change of temperature

• US Classifications

  • 392 - Electric resistance heating devices
  • 219 - Electric heating