3880965

Information

• Patent Grant
• 3880965

• References
• Source

• Patent Number

  3,880,965

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1975
  49 years ago

• CPC

  • C02F3/201 - Perforated, resilient plastic diffusers
  • B01F3/04269 - consisting of flexible porous or perforated material
  • B01F2003/04177 - Mounting the bubbling elements, diffusors
  • B01F2003/04198 - the bubbling devices being supported
  • B01F2003/04212 - the bubbling devices being provided with ballast to keep them floating under the surface
  • B01F2003/04319 - being tubes, tubular elements, cylindrical elements, set of tubes
  • B01F2003/04397 - Foam-like
  • Y02W10/15 - Aerobic processes

• US Classifications

  • 261 - Gas and liquid contact apparatus
  • 239 - Fluid sprinkling, spraying, and diffusing
  • 405 - Hydraulic and earth engineering