3118648

Information

• Patent Grant
• 3118648

• References
• Source

• Patent Number

  3,118,648

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1964
  61 years ago

• CPC

  • G05D23/185 - with auxiliary non-electric power
  • G05D23/022 - the sensing element being placed within a regulating fluid flow
  • Y10S33/19 - Thermal expansive

• US Classifications

  • 251 - Valves and valve actuation
  • 033 - Geometrical instruments
  • 236 - Automatic temperature and humidity regulation