| |
 |
|
Class Information
Number: 210/331
Name: Liquid purification or separation > Plural distinct separators > Filters > Movable separating elements > Connected for group operation > Spaced filter wall type, e.g., multiple hollow leaves
Description: Apparatus comprising spaced wall type filter elements, e.g., multiple hollow circular leaves.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7396464 |
Filter comprising rotatable, disk-shaped filter elements |
Jul. 8, 2008 |
| 7381335 |
Method and arrangement for continuous filtering of particles out of a liquid |
Jun. 3, 2008 |
| 7332081 |
Filter device for the clarification of contaminated liquids |
Feb. 19, 2008 |
| 7314556 |
Filter disc with panel sectors |
Jan. 1, 2008 |
| 7297269 |
Cross-flow filtration cassettes and methods for fabrication of same |
Nov. 20, 2007 |
| 7288186 |
Filtrate immersed activation assembly for disk filters |
Oct. 30, 2007 |
| 7241383 |
Fluid treating method and apparatus |
Jul. 10, 2007 |
| 7163622 |
Filter |
Jan. 16, 2007 |
| 7101418 |
Method and device for degassing a suspension, specifically a fiber stock suspension |
Sep. 5, 2006 |
| 7094346 |
Cross-flow filtration cassettes and methods for fabrication of same |
Aug. 22, 2006 |
| 7037427 |
Filter device for clarifying contaminated liquids |
May. 2, 2006 |
| 7029584 |
Rotating filter |
Apr. 18, 2006 |
| 7005067 |
Disc-type filtration apparatus including discharge collector internal to pressure vessel and method filtration |
Feb. 28, 2006 |
| 6872301 |
High shear rotating disc filter |
Mar. 29, 2005 |
| 6833077 |
Sequential swinging precoat removal and renewal system, filter so equipped and method |
Dec. 21, 2004 |
| 6669844 |
Filtration device with stacked deep-bed filter elements |
Dec. 30, 2003 |
| 6596168 |
Filter element and method for the manufacture |
Jul. 22, 2003 |
| 6551458 |
Method and apparatus for recovering fibers from white water of paper mill |
Apr. 22, 2003 |
| 6540913 |
Filter apparatus having a maintaining device for centering a stack of filtration disks |
Apr. 1, 2003 |
| 6478969 |
Shear separation method and system |
Nov. 12, 2002 |
| 6461503 |
Interengaged rotary disc filters |
Oct. 8, 2002 |
| 6454940 |
Retention of filter elements |
Sep. 24, 2002 |
| 6419835 |
Method for producing a filter cake |
Jul. 16, 2002 |
| 6419842 |
Method and installation for separating solids contents from a pulp |
Jul. 16, 2002 |
| 6416666 |
Simplified filtration system |
Jul. 9, 2002 |
| 6294098 |
High efficiency backwash shoe |
Sep. 25, 2001 |
| 6283306 |
Rotating filter |
Sep. 4, 2001 |
| 6284136 |
Apparatus for cleaning a filter surface |
Sep. 4, 2001 |
| 6258282 |
Rotatable filter system for filtration of a flowing substance |
Jul. 10, 2001 |
| 6231761 |
Rotary disk filter |
May. 15, 2001 |
| 6217782 |
Combined ultrasonic cleaning and washing of filter disks |
Apr. 17, 2001 |
| 6197260 |
Reagent package |
Mar. 6, 2001 |
| 6113778 |
Pressure plate filter with horizontal filter plates |
Sep. 5, 2000 |
| 6113783 |
Device in a filter sector for a rotating filter disc |
Sep. 5, 2000 |
| 6103132 |
Filter cloth, filtering process, and filtering device for liquid filtration |
Aug. 15, 2000 |
| 6090298 |
Method and apparatus for cleaning filter material in a filter apparatus utilizing a suction generating assembly |
Jul. 18, 2000 |
| 6063294 |
Uniform area shower for disc filter |
May. 16, 2000 |
| 6059970 |
Membrane separation device |
May. 9, 2000 |
| 6033579 |
Red mud dewatering and washing process |
Mar. 7, 2000 |
| 5965019 |
Encapsulated lenticular filter cartridge |
Oct. 12, 1999 |
| 5951861 |
Device for filtration and a method for conversion |
Sep. 14, 1999 |
| 5951878 |
Method and apparatus for cleaning filter material in a filter apparatus utilizing a suction generating nozzle |
Sep. 14, 1999 |
| 5925248 |
Disk filter sector having an attachment system outside of flow area |
Jul. 20, 1999 |
| 5914048 |
Adjustable control valve system for rotating disc filter and method of operating the system |
Jun. 22, 1999 |
| 5900158 |
Method and apparatus for thickening lime mud with a disc filter |
May. 4, 1999 |
| 5893972 |
Sectors for rotary disc filters having convex,curved, radial side edges |
Apr. 13, 1999 |
| 5855799 |
Rotary disk filter with backwash |
Jan. 5, 1999 |
| 5849202 |
Rotary disc filtration process having means to prevent settlement of solids |
Dec. 15, 1998 |
| 5804071 |
Rotating disc filter means |
Sep. 8, 1998 |
| 5792352 |
Disc filter and filter elements |
Aug. 11, 1998 |
|
|
|
