3417974

Information

• Patent Grant
• 3417974

• References
• Source

• Patent Number

  3,417,974

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1968
  55 years ago

• CPC

  • B01F3/04262 - consisting of rigid porous or perforated material
  • B01F3/0446 - using flow mixing means for introducing the gas
  • B01F7/00908 - Pipe mixers, i.e. mixing material flowing continuously through pipes
  • B01F7/10 - with rotary discs
  • B01F7/00458 - having holes in the surface
  • B01F2003/0429 - having a box- or bloc-shape, being in the form of aeration stones
  • B01F2003/04375 - Screens, nets, grades, grids

• US Classifications

  • 261 - Gas and liquid contact apparatus
  • 366 - Agitating