2993504

Information

• Patent Grant
• 2993504

• References
• Source

• Patent Number

  2,993,504

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1961
  63 years ago

• CPC

  • F16K17/10 - with auxiliary valve for fluid operation of the main valve
  • E21B34/02 - in well heads
  • F16K31/524 - with a cam
  • F16K31/52458 - comprising a tap or cock
  • F16K31/5282 - comprising a pivoted disc or flap
  • E21B2034/002 - Ball valves
  • Y10T137/3012 - Common actuator for control valves
  • Y10T137/7725 - Responsive to both high and low pressure or velocity

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation