3684168

Information

• Patent Grant
• 3684168

• References
• Source

• Patent Number

  3,684,168

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1972
  52 years ago

• CPC

  • G05D23/125 - the sensing element being placed outside a regulating fluid flow
  • G05D23/1313 - without temperature sensing element
  • G05D23/1393 - characterised by the use of electric means

• US Classifications

  • 236 - Automatic temperature and humidity regulation