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Class Information
Number: 210/158
Name: Liquid purification or separation > Structural installation > Flume stream type > With cleaner for movable strainer
Description: Apparatus including means for cleaning the filter which is movable.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7416658 |
Elliptical motion drive device for a step screen |
Aug. 26, 2008 |
| 7364652 |
Screening apparatus |
Apr. 29, 2008 |
| 7347933 |
Self-cleaning intake screen |
Mar. 25, 2008 |
| 7344637 |
Apparatus for removing fine material from a liquid |
Mar. 18, 2008 |
| 7326336 |
Water intake rotary screen |
Feb. 5, 2008 |
| 7326335 |
Apparatus for removing solids from water in canal |
Feb. 5, 2008 |
| 7300572 |
Water screen |
Nov. 27, 2007 |
| 7267763 |
Water intake screen with circular filter panel |
Sep. 11, 2007 |
| 7160443 |
Apparatus for removing material from a liquid flowing through a channel |
Jan. 9, 2007 |
| 6942789 |
Filter screen assembly |
Sep. 13, 2005 |
| 6913690 |
Debris removal system |
Jul. 5, 2005 |
| 6754123 |
Adjustable current mode differential amplifier for multiple bias point sensing of MRAM having diode isolation |
Jun. 22, 2004 |
| 6733663 |
Waste water treatment washer compactor system |
May. 11, 2004 |
| 6719898 |
Sieving device |
Apr. 13, 2004 |
| 6709578 |
Tilt-out frame for a filter screen |
Mar. 23, 2004 |
| 6669854 |
Stepping screen assembly hydraulically driven |
Dec. 30, 2003 |
| 6500331 |
Machine for micro-filtering solid particles suspended in a liquid stream |
Dec. 31, 2002 |
| 6426009 |
Travelling screen with travel pause for improved cleaning of screen and method of implementing same |
Jul. 30, 2002 |
| 6312590 |
Mechanically cleanable screen |
Nov. 6, 2001 |
| 6294085 |
Sewage screening apparatus |
Sep. 25, 2001 |
| 6280612 |
Revolving screening rack, supporting frame for a revolving screening rack and a control shackle of a screening element |
Aug. 28, 2001 |
| 6270684 |
High performance combined sewage overflow and water intake screen |
Aug. 7, 2001 |
| 6251268 |
Filtering apparatus |
Jun. 26, 2001 |
| 6231757 |
Apparatus for collecting and removing solid particles from a flowing fluid |
May. 15, 2001 |
| 6089790 |
Self-cleaning intake screen |
Jul. 18, 2000 |
| 5993651 |
Water influent particle removing apparatus |
Nov. 30, 1999 |
| 5851087 |
Self-cleaning intake screen |
Dec. 22, 1998 |
| 5800701 |
Apparatus, components and a method for the filtering of liquid |
Sep. 1, 1998 |
| 5676829 |
Screen |
Oct. 14, 1997 |
| 5641398 |
Device for removing screened material from a liquid flowing in a flume |
Jun. 24, 1997 |
| 5618415 |
Method for removing debris from a free flowing water system |
Apr. 8, 1997 |
| 5593597 |
Filtration system comprising sieving trough, helix and additional sieving apparatus |
Jan. 14, 1997 |
| 5565093 |
Conveyor-band filter apparatus |
Oct. 15, 1996 |
| 5456826 |
Separating grid |
Oct. 10, 1995 |
| 5387336 |
Screening rake |
Feb. 7, 1995 |
| 5372713 |
Long sand trap for separating and removing sand from water from inflow channels |
Dec. 13, 1994 |
| 5296136 |
Apparatus for separating liquids and solids comprising screens and augers |
Mar. 22, 1994 |
| 5269945 |
Method and a device for the separation of bodies from a liquid |
Dec. 14, 1993 |
| 5118414 |
Rotary screening device |
Jun. 2, 1992 |
| 5116490 |
Rotary screen apparatus for use with cooling towers |
May. 26, 1992 |
| 5110461 |
Apparatus for separating liquids and solids |
May. 5, 1992 |
| 5102536 |
Self-cleaning water filter screen apparatus |
Apr. 7, 1992 |
| 5059313 |
Conveyor rake sieve with hook-like plates |
Oct. 22, 1991 |
| 5019253 |
Apparatus for collecting and discharging waste material |
May. 28, 1991 |
| 4956101 |
Liquid filtration device and method using wave motion |
Sep. 11, 1990 |
| 4853116 |
Device for collecting and discharging solid matter |
Aug. 1, 1989 |
| 4836919 |
Device for removing waste material screened or filtered out of liquid flowing throgh a channel |
Jun. 6, 1989 |
| 4814076 |
Self-cleaning filter for insertion into a pressurized pipe |
Mar. 21, 1989 |
| 4812231 |
Self cleaning rotating fine polishing filter screen apparatus |
Mar. 14, 1989 |
| 4709804 |
Self-cleaning trash rack |
Dec. 1, 1987 |
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