3019817

Information

• Patent Grant
• 3019817

• References
• Source

• Patent Number

  3,019,817

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1962
  62 years ago

• CPC

  • F16K31/124 - servo actuated
  • G05D9/12 - characterised by the use of electric means
  • Y10T137/86445 - Plural, sequential, valve actuations
  • Y10T137/86992 - With subsequent closing of first opened port
  • Y10T137/87265 - Dividing into parallel flow paths with recombining
  • Y10T137/8737 - Water treatment feature

• US Classifications

  • 137 - Fluid handling
  • 210 - Liquid purification or separation