3318331

Information

• Patent Grant
• 3318331

• References
• Source

• Patent Number

  3,318,331

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1967
  57 years ago

• CPC

  • E21D15/512 - Arrangement of valves
  • E21D23/006 - provided with essential hydraulic devices
  • E21D23/16 - Hydraulic or pneumatic features
  • F15B13/0402 - for linearly sliding valves
  • Y10T137/86606 - Common to plural valve motor chambers
  • Y10T137/86678 - Combined disk or plug and gate or piston

• US Classifications

  • 137 - Fluid handling