3890992

Information

• Patent Grant
• 3890992

• References
• Source

• Patent Number

  3,890,992

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1975
  49 years ago

• CPC

  • G05D16/02 - Modifications to reduce the effects of instability
  • G05B9/05 - fluidic
  • G05D16/185 - using one or several membranes
  • G05D16/2093 - with combination of electric and non-electric auxiliary power
  • Y10T137/0396 - Involving pressure control
  • Y10T137/7761 - Electrically actuated valve
  • Y10T137/7762 - Fluid pressure type

• US Classifications

  • 137 - Fluid handling