3677409

Information

• Patent Grant
• 3677409

• References
• Source

• Patent Number

  3,677,409

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • C02F3/1242 - Small compact installations for use in homes, apartment blocks, hotels or the like
  • B01D21/0006 - Settling tanks provided with means for cleaning and maintenance
  • B01D21/0012 - Settling tanks making use of filters
  • B01D21/10 - Settling tanks with multiple outlets for the separated liquids
  • B01D21/2433 - Discharge mechanisms for floating particles
  • B01D21/245 - Discharge mechanisms for the sediments
  • B01D29/0018 - Filters with screens or sheets
  • B01D29/007 - having filtrate discharge tubes fixed non-perpendicularly to the filtering surfaces
  • B01D29/0077 - by scrapers, brushes, nozzles or the like placed on the cake-side of the filters
  • B01D29/01 - with flat filtering elements
  • Y02W10/15 - Aerobic processes

• US Classifications

  • 210 - Liquid purification or separation