3640474

Information

• Patent Grant
• 3640474

• References
• Source

• Patent Number

  3,640,474

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  52 years ago

• CPC

  • B02C18/0092 - for waste water or for garbage
  • B01D21/0012 - Settling tanks making use of filters
  • B01D29/035 - with curved filtering elements
  • B01D35/26 - Filters with built-in pumps filters provided with a pump mounted in or on the casing
  • B07B1/00 - Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
  • F04D11/005 - Swash-type impeller pumps
  • B01D21/262 - by using a centrifuge
  • B07B2230/01 - Wet separation

• US Classifications

  • 241 - Solid material comminution or disintegration
  • 210 - Liquid purification or separation
  • 415 - Rotary kinetic fluid motors or pumps