3856486

Information

• Patent Grant
• 3856486

• References
• Source

• Patent Number

  3,856,486

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1974
  50 years ago

• CPC

  • G05B11/44 - pneumatic only
  • G05D16/18 - derived from an external source
  • Y10T137/2409 - With counter-balancing pressure feedback to the modulating device
  • Y10T137/2562 - Dividing and recombining

• US Classifications

  • 096 - Gas separation: apparatus
  • 137 - Fluid handling