3293861

Information

• Patent Grant
• 3293861

• References
• Source

• Patent Number

  3,293,861

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1966
  58 years ago

• CPC

  • A01M7/0092 - Adding active material
  • A01K63/042 - Introducing gases into the water
  • B01F3/04269 - consisting of flexible porous or perforated material
  • C02F3/20 - using diffusers
  • C02F7/00 - Aeration of stretches of water
  • B01F2003/04198 - the bubbling devices being supported
  • B01F2003/04319 - being tubes, tubular elements, cylindrical elements, set of tubes
  • B01F2003/04368 - Slits, cut-out openings
  • Y02W10/15 - Aerobic processes

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 138 - Pipes and tubular conduits
  • 210 - Liquid purification or separation
  • 239 - Fluid sprinkling, spraying, and diffusing
  • 261 - Gas and liquid contact apparatus