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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:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8623221 Sand separator for petroleum and natural gas wells Jan. 7, 2014
8551345 Production fluid solid trap Oct. 8, 2013
8524089 Combined sedimentation and pressure floatation wastewater treatment tank Sep. 3, 2013
8512574 Grit removing device, grit removing system and a method for the same Aug. 20, 2013
8512577 Process and apparatus for treating exhausted abrasive slurries for the recovery of their reusable components Aug. 20, 2013
8506824 Method for separating putrescible organic matter from inorganic grit suspended in waste water and sewage Aug. 13, 2013
8501018 Method and apparatus for separating a multi-component stream Aug. 6, 2013
8501017 Coolant filtration system and method for metal working machines Aug. 6, 2013
8480908 Process, apparatus and system for treating a hydrocarbon feedstock Jul. 9, 2013
8475664 Control method for hydrocarbon hydrocyclones Jul. 2, 2013
8470183 Systems and methods for extracting sand from raw slurry material Jun. 25, 2013
8454843 Production fluid solid trap Jun. 4, 2013
8449779 Backflow collection receptacle and method for reclaiming the same May. 28, 2013
8444851 System for reception and transport of lime mud from a white liquor filter May. 21, 2013
8377301 Method and apparatus for treating drilling fluid Feb. 19, 2013
8349193 Sand screw dryer Jan. 8, 2013
8337707 Dewatering facility Dec. 25, 2012
8236182 Separating sand from fluids produced by a well Aug. 7, 2012
8236185 Methods for using sulfidized red mud Aug. 7, 2012
8225944 System, apparatus and process for extraction of bitumen from oil sands Jul. 24, 2012
8168071 Process and apparatus for treating a heavy hydrocarbon feedstock May. 1, 2012
8168073 Waste concrete and aggregate reclaimer May. 1, 2012
8142667 Manure separation for digester method and apparatus Mar. 27, 2012
8096425 System, apparatus and process for extraction of bitumen from oil sands Jan. 17, 2012
8075785 Separation vessel for solids removal Dec. 13, 2011
RE42772 Large particulate removal system Oct. 4, 2011
8025806 Separating sand from fluids produced by a well Sep. 27, 2011
8016151 Fluid controlled containment berm system Sep. 13, 2011
8017019 Fluidized bed precipitator with optimized solids settling and solids handling features for use in recovering phosphorus from wastewater Sep. 13, 2011
7981302 Method and apparatus for enhanced settling and collection of settled material Jul. 19, 2011
7981293 Method and apparatus for treatment of contaminated liquid Jul. 19, 2011
7964101 Fluid treatment process Jun. 21, 2011
7892438 Method and apparatus for collecting and/or removing sludge Feb. 22, 2011
7862730 Systems and methods for separating hydrocarbons from water Jan. 4, 2011
7850857 Collector with adjustable input/discharge to control sediment removal Dec. 14, 2010
7799236 Gathering method and apparatus of powder separated soluble component Sep. 21, 2010
7785479 Apparatus and method of separating Aug. 31, 2010
7776223 Method of collecting high-level radioactive uranium powder underwater Aug. 17, 2010
7771588 Separatory and emulsion breaking processes Aug. 10, 2010
7767094 Method and apparatus for collecting and/or separating solids from liquids Aug. 3, 2010
7731853 Method and equipment for purifying an extraction solution from aqueous entrainment and impurities Jun. 8, 2010
7718076 Methods of and common gantry drive for single-pass cleaning of multiple stages of a material separation and removal system May. 18, 2010
7704400 Method and apparatus for washing particulate matter Apr. 27, 2010
7686966 Automatic tank cleaning system Mar. 30, 2010
7651624 Oil/water separator one truck cleaning with clean water return Jan. 26, 2010
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

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