3923658

Information

• Patent Grant
• 3923658

• References
• Source

• Patent Number

  3,923,658

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1975
  49 years ago

• CPC

  • B01D37/00 - Processes of filtration
  • B01D21/0006 - Settling tanks provided with means for cleaning and maintenance
  • B01D21/302 - Active control mechanisms with external energy
  • B01D21/34 - Regulation of feed distribution Regulation of liquid level; Control of process parameters
  • B01D29/0027 - Filters with loose, granular, or fibrous filtering material
  • B01D29/01 - with flat filtering elements
  • B01D29/56 - in series connexion
  • B01D36/02 - Combinations of filters of different kinds

• US Classifications

  • 210 - Liquid purification or separation