3429249

Information

• Patent Grant
• 3429249

• References
• Source

• Patent Number

  3,429,249

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1969
  56 years ago

• CPC

  • G05D16/163 - using one or several membranes
  • B64D13/04 - Automatic control of pressure
  • F15C1/006 - for aeronautics; for rockets (drives, controls); for satellites; for air cushion vehicles; for controlling vessels or torpedoes
  • B64D2700/62035 - Pressure control valves
  • Y10T137/2071 - And causing change or correction of sensed condition
  • Y10T137/2147 - To cascaded plural devices

• US Classifications

  • 454 - Ventilation
  • 137 - Fluid handling