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Class Information
Number: 210/803
Name: Liquid purification or separation > Processes > Separating > Utilizing gravitational force > Including specified feature of settled solids removal
Description: Process in which the settled solids are removed by scraping or some other specific means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7556154 |
Drill fluid screening device |
Jul. 7, 2009 |
| 7547397 |
Particle-accelerating deposition and separation apparatus and method for turbid water |
Jun. 16, 2009 |
| 7544302 |
Method and apparatus for removing cuttings from drilling fluids |
Jun. 9, 2009 |
| 7544303 |
Method and apparatus for removing debris from septic waste |
Jun. 9, 2009 |
| 7520997 |
Separation devices, systems and methods for separation of particulates from liquid |
Apr. 21, 2009 |
| 7514011 |
System for separating solids from a fluid stream |
Apr. 7, 2009 |
| 7491333 |
Industrial waste water treatment process |
Feb. 17, 2009 |
| 7473376 |
Apparatus for production, withdrawal and transfer of highly viscous slurry |
Jan. 6, 2009 |
| 7462290 |
Device and a method for removing solids |
Dec. 9, 2008 |
| 7449117 |
Filtration unit, installation method for a filtration unit and filtration apparatus |
Nov. 11, 2008 |
| 7431846 |
Method for concentrating solids from drilling slurry |
Oct. 7, 2008 |
| 7419608 |
Treating method and equipment for coke-cooling wastewater |
Sep. 2, 2008 |
| 7393456 |
System and method for concentrating and removing sludge at the bottom of a waste water holding tank |
Jul. 1, 2008 |
| 7381323 |
Filtration apparatus |
Jun. 3, 2008 |
| 7370701 |
Wellbore completion design to naturally separate water and solids from oil and gas |
May. 13, 2008 |
| 7357872 |
Lift station and method |
Apr. 15, 2008 |
| 7335308 |
Method for treatment of liquids, in particular, for purification of contaminated water |
Feb. 26, 2008 |
| 7332097 |
Clarifying tank |
Feb. 19, 2008 |
| 7314441 |
Method for separating particulate matter from a fluid stream |
Jan. 1, 2008 |
| 7314572 |
Methods of and apparatus for low-angle-tray settling with multi-zone configuration |
Jan. 1, 2008 |
| 7309445 |
Transferring slurry from a vessel |
Dec. 18, 2007 |
| 7306731 |
Manure separation for digester method and apparatus |
Dec. 11, 2007 |
| 7300588 |
Wastewater separator and method of using same |
Nov. 27, 2007 |
| 7258800 |
Electrocoagulation waste water batch tank treatment system |
Aug. 21, 2007 |
| 7235182 |
Pulp stabilisation apparatus for a thickener |
Jun. 26, 2007 |
| 7235183 |
Glycerine foots salt separation system |
Jun. 26, 2007 |
| 7232525 |
Automatic tank cleaning system |
Jun. 19, 2007 |
| 7175768 |
Method and device for clarification of liquids, particularly water, loaded with material in suspension |
Feb. 13, 2007 |
| 7169312 |
Methods of and apparatus for collecting sludge from the floor of a settler basin |
Jan. 30, 2007 |
| 7160474 |
Method and apparatus for removing cuttings from drilling fluids |
Jan. 9, 2007 |
| 7144516 |
Settling tank and method for separating a solids containing material |
Dec. 5, 2006 |
| 7131370 |
Centrifugal separating device and method of clarifying must during the production of wine |
Nov. 7, 2006 |
| 7105096 |
Collection of sludge from the floor of a basin with multiple balanced-flow headers |
Sep. 12, 2006 |
| 7093722 |
Polishing composition storage container |
Aug. 22, 2006 |
| 7077968 |
Method for continuously filtering raw brine for use in chlor-alkali electrolysis |
Jul. 18, 2006 |
| 7067065 |
Vortex grit collector with mechanical conveyor for grit removal |
Jun. 27, 2006 |
| 7037436 |
Method of cleaning water pollution trap |
May. 2, 2006 |
| 7025140 |
Large particulate removal system |
Apr. 11, 2006 |
| 6951620 |
Apparatus and methods for collecting sludge from the floor of a settler basin |
Oct. 4, 2005 |
| 6890441 |
Hydraulic annular washing column, and process for separating solids from a suspension |
May. 10, 2005 |
| 6890443 |
Spin filter system |
May. 10, 2005 |
| 6881350 |
Apparatus and methods for collecting and transferring solids separated from wastewater |
Apr. 19, 2005 |
| 6878280 |
Wastewater clarification methods and apparatus |
Apr. 12, 2005 |
| 6878295 |
Fluidized solids removal with pulsation |
Apr. 12, 2005 |
| 6849186 |
Composite particles |
Feb. 1, 2005 |
| 6830700 |
Method and device for removing particles from liquid |
Dec. 14, 2004 |
| 6814874 |
Claricone sludge level control system |
Nov. 9, 2004 |
| 6797186 |
Fluidized solids removal with pulsation |
Sep. 28, 2004 |
| 6793826 |
Method for recovering insoluble solids from a mixture |
Sep. 21, 2004 |
| 6790368 |
Method and system for the recuperation of septic tank content |
Sep. 14, 2004 |
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