3481362

Information

• Patent Grant
• 3481362

• References
• Source

• Patent Number

  3,481,362

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1969
  55 years ago

• CPC

  • E21B34/16 - Above-ground control means therefor
  • F16K17/20 - Excess-flow valves
  • Y10T137/2705 - Pressure differential
  • Y10T137/7723 - Safety cut-off requiring reset
  • Y10T137/7727 - Excessive flow cut-off
  • Y10T137/7731 - Fluid counter-biased or unseated valve
  • Y10T137/7759 - Responsive to change in rate of fluid flow

• US Classifications

  • 137 - Fluid handling