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| Number | Title | Issue Date |
| 8133401 | Method and apparatus for treating lime slurry for grit removal A method and apparatus is provided for conveying lime slurry, removing and controlling the amount of grit, and feeding lime slurry, wherein the lime slurry moves through a recirculation loop, and wherein gravity removal of grit from the lime slurry takes place. ... | 03/13/2012 |
| 8119014 | Systems and methods to remove liquid product and fines from a slurry reactor The present invention provides methods and means for separating slurry liquid from catalyst in a three-phase slurry process. The embodiments of the invention are characterized by conducting the three-phase process under conditions to provide an upper region in the s... | 02/21/2012 |
| 8062531 | Underground stormwater management system and method An underground stormwater management system includes a receiving tank connected to a source of non-first flush runoff and a storage chamber that accumulates stormwater runoff for discharge to a storm drain. The storage chamber includes a first inlet connected to a s... | 11/22/2011 |
| 7678285 | Apparatus and method for separation of water from an emulsion or mixture of water and oil The invention refers to an oil recover unit (1) having at least one container (5) for retrieval of a mixture/emulsion of mainly water (3) and oil (4) for separation of the water (3) from the oil (4). The retrieval is provide... | 03/16/2010 |
| 7651624 | Oil/water separator one truck cleaning with clean water return A process for decontamination and separation of a contaminated fluid including a first agent, a second agent, and a third agent may include the steps of directing the contaminated fluid to a first tank, substantially separating first agent in a first layer, a second... | 01/26/2010 |
| 7547396 | Thickener/clarifier feedwell assembly with froth dissipation A feedwell assembly for a thickener/clarifier including a feedwell body, at least one feed channel connected at a downstream end to the body, and a plate member disposed in the feed channel for separating froth from an incoming slurry stream to where the separated f... | 06/16/2009 |
| 7540967 | Passive grease trap using separator technology A grease trap for separating grease and solid waste from waste water. The grease trap includes a tank having a downwardly shaped bottom. An upwardly shaped divider divides the tank into an upper chamber and a lower chamber. A hole near an upper part of the divider a... | 06/02/2009 |
| 7531099 | Water surge interface slot for three phase separator A three phase separator to separate a fluid into three phases. A horizontal tank forms a fluid container having an inlet to the container in order to permit entry of a three phase fluid. An oil box within the fluid container includes a bottom and at least one baffle... | 05/12/2009 |
| 7452472 | Grease interceptor having a grease removal device The present invention relates to the removal of grease collected in a hydro-mechanical grease interceptor via a pump which may be activated by a programmable timer. In an embodiment, a hydro-mechanical grease interceptor includes a tank having a tank inlet and a tan... | 11/18/2008 |
| 7438821 | Liquid filtering method and filtering system A filtering method which prevents adhesion between an outlet vessel and a filter element and which uses a flexible filter which allows smooth flow of liquid and is superior in filtering performance; and a filtering system. A filtering method which uses a flexible ve... | 10/21/2008 |
| 7431851 | Fat separator The present invention provides a fat separator device having a container with a spout portion and a cover portion releasably attached to the container. The cover portion including a surface having at least one aperture to allow for passage of a liquid through the co... | 10/07/2008 |
| 7419608 | Treating method and equipment for coke-cooling wastewater The present invention falls within the field of purifying oil-laden wastewater, which provides a method for purifying coke-cooling wastewater in a delayed coking process in petroleum chemical field. The method comprises the following steps: (a) cooling the coke-cool... | 09/02/2008 |
| 7419595 | Multiple barrier biological treatment process The inventions separate the activated sludge, biochemical reaction stages of the batch treatment process of a sequencing batch reactor from the clarification and sedimentation stages by separating the locations where each process takes place. The separation may be a... | 09/02/2008 |
| 7416673 | Method and apparatus for treating lime slurry for grit removal A method and apparatus is provided for conveying lime slurry, removing and controlling the amount of grit, and feeding lime slurry, wherein the lime slurry moves through a recirculation loop, and wherein gravity removal of grit from the lime slurry takes place. A st... | 08/26/2008 |
| RE40407 | Method and apparatus for mixing fluids A method for entraining and mixing gas with liquids within a conduit or drop structure, comprising the channeling of one or more liquid flows into spiral flows of predetermined radius (radii), reducing the predetermined radius (radii) to increase the centrifugal for... | 07/01/2008 |
| 7370701 | Wellbore completion design to naturally separate water and solids from oil and gas A wellbore completion design is provided, which creates a convective flow action that separates water and sand from hydrocarbons during production of the hydrocarbons from a subterranean formation. A deviated section of the wellbore creates the desired effect. The w... | 05/13/2008 |
| 7371329 | Method for filtering particles from a fluid Methods for filtering particles from a fluid are disclosed, wherein an array of microstructures defining respective microchannels having respective minimum widths are used to separate the fluid from particles to be filtered. The fluid flows through the minimum width... | 05/13/2008 |
| 7367459 | Passive grease trap using separator technology A grease trap for separating grease and solid waste from waste water. The grease trap includes a tank having a downwardly shaped bottom. An upwardly shaped divider divides the tank into an upper chamber and a lower chamber. A hole near an upper part of the divider a... | 05/06/2008 |
| 7364661 | Method and device for separating a mixture of fluids A mixture of fluids is separated into at least two phases, one of which has a higher density than the other, passing the mixture through a normally horizontal supply pipe, by creating a stratified flow in the supply pipe, by passing the mixture through an inclined p... | 04/29/2008 |
| 7351385 | System for enabling landfill disposal of kitchen waste oil/grease An apparatus for conversion of kitchen waste grease to a landfill-acceptable solid includes a grease collection cartridge. A mixing baffle within the cartridge has a package with a reactant to convert grease and oil, and water into soap. The apparatus has means for ... | 04/01/2008 |
| 7347945 | Method and an installation for separating out multiphase effluents The invention relates to a method and to an installation for separating out an effluent made up of a multi-phase fluid mixture. According to the invention, said installation includes gravity separator means whose geometrical separation characteristics can be adjuste... | 03/25/2008 |
| 7338608 | Solid-liquid separation of oil-based muds This invention relates to a method of achieving a solid-liquid separation of an oil-based mud comprising the step of contacting said oil-based mud with a water-in-oil emulsion comprising a polymer derived from at least one water-soluble monomer, where the polymer is... | 03/04/2008 |
| 7338606 | Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system An arrangement and method for maintaining a minimum flow velocity in return piping receiving dirty coolant from a plurality of machine tools receiving filtered coolant from a filter apparatus. A bypass line diverts clean coolant into the return piping via a pressure... | 03/04/2008 |
| 7332097 | Clarifying tank Methods and apparatus for separating solid particles from a fluid. One preferred embodiment includes a tank for settling particles out of the fluid, a conical chamber at the bottom of the tank, an outlet connected to conical chamber, and a conical auger within the c... | 02/19/2008 |
| 7331472 | Method and apparatus for separation of a mixture of non-miscible liquids A tank has an inlet opening mounted at an end wall at the beginning of an elongated horizontal path for supplying a mixture to be separated, and two outlet openings mounted at the end of the elongated horizontal path for separately draining the separated liquids. An... | 02/19/2008 |
| 7297284 | Separator for immiscible liquids A separator provides improvements for better separation of an effluent into constituent parts and greater ease of use. A tapered basket provides improved flow and better filtration. A baffle directs effluent into the basket with greater force. An asymmetrical flange... | 11/20/2007 |
| 7291277 | Method and device for cleaning the fountain solution of a printing press A method for cleaning the fountain solution of a printing press with an automatically emptying separator (16), separates the dirt particles and oil residues from fountain solution and supplies them, as a mixture of dirt and fountain solution, to a dirt and fo... | 11/06/2007 |
| 7282143 | Septic tank A septic tank includes a chamber, an inlet through which waste water enters the chamber, an outlet, and an outlet pipe mounted to the outlet. At least one partitioning member is mounted in the chamber and separates the chamber into at least a first subchamber adjace... | 10/16/2007 |
| 7267133 | Large scale tubular line kiting system A large scale cleaning plug (L) adaptable to be placed within an interior passageway (10) of a tubular system (14) includes a generally conically shaped element (C) having a first end (18) and an opposite second end (20). The width of the... | 09/11/2007 |
| 7247243 | Method and device for detecting an accumulation of sand in a separator vessel A separator device including a vessel for separating water from oil. The separator device is provided with a measurer for measuring the temperature of the wall of the vessel. ... | 07/24/2007 |
| 7235182 | Pulp stabilisation apparatus for a thickener The invention provides a flotation device including a thickening tank (1) having right cylindrical sidewalls and a downwardly sloping frusto-conical floor. A drive shaft (2) is centrally rotatably mounted within the tank. Each one of a plurality of rak... | 06/26/2007 |
| 7223348 | Method and apparatus for separation of a mixture of non-miscible liquids The present invention provides a new and improved method and apparatus for separating a disperse mixture of two non-miscible liquids to increase the separation extent within less time required as per usual. The proposed method includes the steps of providing a tank ... | 05/29/2007 |
| 7217365 | Blood filtration methods Methods wherein a blood cell concentration gradient is formed in a pooling unit in which blood is pooled before or after introducing the blood into a filter for eliminating leukocytes followed by the filtration are disclosed. By the first method comprising forming a... | 05/15/2007 |
| 7214314 | Cleaning apparatus and method A portable cleaning device for removing sediment from an enclosure retaining water. The cleaning device includes a pump, a housing, and a receptacle. The pump creates a fluid flow through the cleaning device. The cleaning device draws water from the enclosure into t... | 05/08/2007 |
| 7188786 | Hose-end sprayer assembly A hose-end sprayer assembly connectable to at least one container of product to be dispensed has an elongated housing for a venturi tube assembly rotatable about its central axis and devised to selectively open and close a product inlet opening as well as its associ... | 03/13/2007 |
| 7182874 | Storm water treatment apparatus employing dual vortex separators A stormwater treatment device for removing floatables, solids and suspended particles and the like from stormwater run off, whereby a removable assembly is provided for installation into a manhole basin, the assembly including a pass-through member which receives st... | 02/27/2007 |
| 7172689 | Arrangement and method for maintaining a minimum flow velocity in the coolant return of a machine tool coolant filtration system An arrangement and method for maintaining a minimum flow velocity in return piping receiving dirty coolant from a plurality of machine tools receiving filtered coolant from a filter apparatus. A bypass line diverts clean coolant into the return piping via a pressure... | 02/06/2007 |
| 7166225 | Methods for filtering fluids A fluid filtering device includes a plurality of filtering wells and an angling mechanism which adjusts the angle of the membranes within the filtering wells relative to a line of a centrifuge where the line is perpendicular to the axis of rotation of a centrifuge a... | 01/23/2007 |
| 7156988 | Floating product removal A system and method for removing floating product from an aquifer. The system includes a groundwater-depressing mechanism configured to create a depression in a groundwater surface that encourages migration of floating product to the depression. The system also incl... | 01/02/2007 |
| 7153439 | Grease separator for kitchen sinks and other applications An oil/grease separator separates a lighter liquid from a mixture of the heavier liquid and a lighter liquid. A housing has an inner volume, an inlet to receive influent flow, an outlet to discharge the heavier liquid, which defines a static liquid level, and an out... | 12/26/2006 |
