3428557

Information

• Patent Grant
• 3428557

• References
• Source

• Patent Number

  3,428,557

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1969
  55 years ago

• CPC

  • C02F1/686 - Devices for dosing liquid additives
  • Y10T137/034 - Controlled by conductivity of mixture
  • Y10T137/0374 - For regulating boiler feed water level

• US Classifications

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