1944425

Information

• Patent Grant
• 1944425

• References
• Source

• Patent Number

  1,944,425

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1934
  90 years ago

• CPC

  • G05D16/0677 - using one membrane without spring
  • Y10T137/7801 - Balanced valve
  • Y10T137/7831 - With mechanical movement between actuator and valve
  • Y10T137/86759 - Reciprocating
  • Y10T137/86767 - Spool
  • Y10T137/87418 - Balanced valve

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation