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Class Information
Number: 210/270
Name: Liquid purification or separation > Particulate material type separator, e.g., ion exchange or sand bed > With rehabilitation means > Movable means for particle pickup and redeposit
Description: Apparatus having moving means to pick up particles from the bed and redeposit them on the bed.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7520986 |
Filtration device |
Apr. 21, 2009 |
| 7169303 |
Sorbent reactor for extracorporeal blood treatment systems, peritoneal dialysis systems, and other body fluid treatment systems |
Jan. 30, 2007 |
| 7160452 |
Filter device |
Jan. 9, 2007 |
| 7090771 |
Filtration system underdrain |
Aug. 15, 2006 |
| 6706521 |
Bed cleaning system for fluidized-bed bioreactors |
Mar. 16, 2004 |
| 6228256 |
Apparatus for cleaning a pool bottom having a sand bed |
May. 8, 2001 |
| 6143186 |
Device for continuous filtration of liquids |
Nov. 7, 2000 |
| 5762801 |
Process and apparatus for biological treatment of water |
Jun. 9, 1998 |
| 5681472 |
Method and apparatus for separating gaseous bubbles and sand from a liquid flow |
Oct. 28, 1997 |
| 5198398 |
Method for regenerating spent activated carbon and portable container for use therein |
Mar. 30, 1993 |
| 4818419 |
Method of removing clogging material from a clogged granular filter medium |
Apr. 4, 1989 |
| 4655908 |
Device for cleaning liquids in sand filters |
Apr. 7, 1987 |
| 4524139 |
Process for the compressive regeneration of flexible, porous materials |
Jun. 18, 1985 |
| 4482457 |
Filtering apparatus |
Nov. 13, 1984 |
| 4337006 |
Device for preparing and cleaning trench for an aquifer recharging system |
Jun. 29, 1982 |
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