3331381

Information

• Patent Grant
• 3331381

• References
• Source

• Patent Number

  3,331,381

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1967
  57 years ago

• CPC

  • F15C1/143 - for digital operation
  • Y10T137/2158 - With pulsed control-input signal
  • Y10T137/2245 - Multiple control-input passages

• US Classifications

  • 137 - Fluid handling
  • 235 - Registers