3920779

Information

• Patent Grant
• 3920779

• References
• Source

• Patent Number

  3,920,779

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1975
  49 years ago

• CPC

  • C02F3/205 - Moving
  • B01F3/04531 - using driven stirrers with completely immersed stirring elements
  • B01F7/00733 - Submerged mixers, i.e. with a submerged stirrer and drive unit
  • B01F7/00241 - Centrifugal stirrers, i.e. having a radial outflow or turbine-type
  • B01F7/0045 - with discs or disc like elements essentially perpendicular to the stirrer shaft axis
  • B01F2003/0468 - the gas being introduced above the stirrer
  • Y02W10/15 - Aerobic processes
  • Y10S261/71 - Sewage aerators rotating

• US Classifications

  • 261 - Gas and liquid contact apparatus