3853143

Information

• Patent Grant
• 3853143

• References
• Source

• Patent Number

  3,853,143

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1974
  50 years ago

• CPC

  • F16K1/2007 - specially adapted operating means therefor
  • F16K1/2021 - with a plurality of valve members
  • F24F11/04 - solely for controlling the rate of air-flow
  • G05D7/0173 - using pivoting sensing element acting as a valve mounted within the flow-path
  • Y10T137/7781 - With separate connected fluid reactor surface
  • Y10T137/9682 - Miscellaneous

• US Classifications

  • 137 - Fluid handling
  • 454 - Ventilation