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| Number | Title | Issue Date |
| 8142667 | Manure separation for digester method and apparatus A method and apparatus for removing settleable solids and unsettleable solids from a partially closed flush system in a dairy milking operation whereby a first processing tank bottom removes settleable solids contained therein where the net current flow vertically i... | 03/27/2012 |
| 8025806 | Separating sand from fluids produced by a well A settling system may be used to separate and/or remove solid particles, such as sand, from fluids produced by wells. The container of the settling system may be cleaned without need for manned-entry. ... | 09/27/2011 |
| 7981302 | Method and apparatus for enhanced settling and collection of settled material Apparatus and methods provide individual blades driven by drives configured to reduce a tendency of sludge to be moved in an undesired return direction. Drive configurations apply “pull” and “pull” forces that only pull on tensile structures, avoiding a need... | 07/19/2011 |
| 7686966 | Automatic tank cleaning system An automatic tank cleaning system includes a water recycling unit having a weir therein and a conically-shaped bottom, a cutting box having a portable weir therein, a hydrocyclonic separator, and a mud tank. Tank slop is pumped from the mud tank to the water recycli... | 03/30/2010 |
| 7473376 | Apparatus for production, withdrawal and transfer of highly viscous slurry Method and apparatus for separating components of slurries by gravity settling thereby forming a thickened slurry and a clarified liquid. The apparatus comprises a vessel for decanting a volume of slurry, the vessel having a top and an interior formed by a side wall... | 01/06/2009 |
| 7462290 | Device and a method for removing solids A device for removing solids from a fluid containment space. A hood is arranged or intended to be arranged at a bottom surface of the fluid containment space. At least one inlet opening and at least one outlet opening are provided on a first side of the hood. The ho... | 12/09/2008 |
| 7431846 | Method for concentrating solids from drilling slurry An apparatus to separate solids from drilling slurry, having an inlet positioned over an outlet of a concentration tank to displace water that would otherwise enter the down-stream centrifuges. Baffles are provided to direct solids to the outlet and minimize the tim... | 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 |
| 7393456 | System and method for concentrating and removing sludge at the bottom of a waste water holding tank A new settlement tank and its associated method of operation. The settlement tank has side surfaces and a bottom surface that define a tank of a predetermined volume. A trough is disposed in the bottom surface of the tank. At least one outlet port communicates with ... | 07/01/2008 |
| 7381323 | Filtration apparatus A filtration apparatus is provided which is easy to maintain, manage and which enables preservation of filtration characteristics due to the fact that filtration is carried out by use of a gelatinous filter apparatus. In the filtration apparatus, filtration characte... | 06/03/2008 |
| 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 |
| 7357872 | Lift station and method A lift station for raising the level of an open channel flow of liquid by sweeping blades mounted to a rotated wheel into the liquid flow after entering a housing to sweep the liquid up and back along a housing interior wall and over a weir edge located well above t... | 04/15/2008 |
| 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 |
| 7335308 | Method for treatment of liquids, in particular, for purification of contaminated water The invention relates to a method and an installation for treating liquids, especially for purifying contaminated water. Said method consists of the following steps: the raw water is pre-purified by adding a foam-forming reaction agent; the pre-purified water underg... | 02/26/2008 |
| 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 |
| 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 |
| 7328643 | Process for accessing munitions using fluid jet technology A process for accessing and defusing munitions using fluid jet technology containing abrasive material and recovering the abrasive. The explosive material can also be removed from the munition casing by fluid jet technology, after the munition has been defused. ... | 02/12/2008 |
| 7314441 | Method for separating particulate matter from a fluid stream A method for separating particulate matter from a fluid includes feeding a fluid containing a particulate matter into a chamber of a vessel through an inlet, the chamber being at least partially bounded by a peripheral wall and the chamber also communicating with a ... | 01/01/2008 |
| 7314572 | Methods of and apparatus for low-angle-tray settling with multi-zone configuration Settleable-particles are separated from a dirty flow of settleable-particles and fluid by trays having a planar section configured with opposed ends and opposed sides, and an entrance edge and an exit edge on opposed ends. The section has opposed side edges, and an ... | 01/01/2008 |
| 7309445 | Transferring slurry from a vessel Apparatus for transferring slurry from a vessel having a plurality of slurry collection points. The apparatus includes a manifold having a plurality of inlets in flow communication with one or more outlets and a plurality of pressure-reducing cyclones. Each cyclone ... | 12/18/2007 |
| 7306731 | Manure separation for digester method and apparatus A method and apparatus for removing settleable solids and unsettleable solids from a partially closed flush system in a diary milking operation whereby a first processing tank bottom removes settleable solids contained therein where the net current flow vertically i... | 12/11/2007 |
| 7300588 | Wastewater separator and method of using same A method for pretreating a wastewater stream containing grease and food particles before the stream enters a sewer includes the steps of directing said wastewater stream to a separation area; directing said wastewater stream along a preferred flow path within said s... | 11/27/2007 |
| 7258800 | Electrocoagulation waste water batch tank treatment system A waste water treatment system and process for treating waste water received in a batch tank. The waste water is discharged in a headwork screen for removing large solids in the water. The solids are into a sludge drying bin. The screened water is transferred into a... | 08/21/2007 |
| 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 |
| 7235183 | Glycerine foots salt separation system The present invention provides a method and apparatus for the recovery of salt from a glycerine process, allowing the salt to be used in a brine solution. A salt settling tank is positioned inline between the foots from a crude still bottom and a foot still. Salt se... | 06/26/2007 |
| 7232525 | Automatic tank cleaning system An automatic tank cleaning system includes a water recycling unit having a weir therein and a conically-shaped bottom, a cutting box having a portable weir therein, a hydrocyclonic separator, and a mud tank. Tank slop is pumped from the mud tank to the water recycli... | 06/19/2007 |
| 7229560 | Sack-based processes for recovering oil floating on water One or more water- and oil-porous containers or sacks are made of a pair of mesh sheets affixed together and stiffened around their perimeter. The sacks can be partially filled with a multitude of tubular bodies made of an oil-entrapping polymer, which have their lo... | 06/12/2007 |
| 7186346 | Low cost indoor grease trap An oil/grease removal assembly includes a container having an inlet to receive effluent from a kitchen sink. A drain connection spaced above the container bottom defines a static water level for contained liquid and connects to a sewer. A baffle extends downwardly b... | 03/06/2007 |
| 7175768 | Method and device for clarification of liquids, particularly water, loaded with material in suspension A method is disclosed for clarifying, by flotation, waters contaminated with suspended matter, wherein the clarification treatment takes place in two successive steps implemented in a single installation. The method principally involves flowing contaminated water th... | 02/13/2007 |
| 7169312 | Methods of and apparatus for collecting sludge from the floor of a settler basin A system meets material collection needs by significantly increasing the flow rate through a header that collects sludge. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or against equipment in the basin. A bearing is... | 01/30/2007 |
| 7159724 | Apparatus for collecting sludge from the floor of a settler basin A system meets needs in sludge collection by significantly increasing the flow rate through a header that collects sludge without causing problems in priming. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or against... | 01/09/2007 |
| 7160474 | Method and apparatus for removing cuttings from drilling fluids The present invention is concerned with a method and apparatus for recycling drilling fluids used in the drilling of wells. The apparatus comprises a tank with a plurality of compartments. Used drilling fluid containing well cuttings or “solids” is pumped into a... | 01/09/2007 |
| 7160440 | Storm water separator system A storm water separator system having side walls constructed from sheet piling to enable installation within a small footprint and in poor soil conditions. The separator system has an upper bypass chamber and a lower treatment chamber with a diffuser directing inflo... | 01/09/2007 |
| 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 |
| 7144516 | Settling tank and method for separating a solids containing material A method and a settling tank for use in separating a solids containing fluid, such as a drilling fluid. The settling tank includes a settling compartment comprised of an inlet and an upper outlet so that the fluid passes through the settling compartment generally in... | 12/05/2006 |
| 7134152 | Adaptable, low cost air gap and flow control A kitchen sink installation includes a plurality of adjacent kitchen sinks having drain tailpieces, a manifold pipe mounted substantially horizontally under the sinks and having a length and a plurality of discrete openings along its length, each of the openings fac... | 11/14/2006 |
| 7131370 | Centrifugal separating device and method of clarifying must during the production of wine The invention relates to a centrifugal separating device and method for clarifying must during wine production, especially with a separator (7). Gas and/or gelatine and/or other additives are added to the must that is clarified in the separating device after ... | 11/07/2006 |
| 7105086 | Storm drain capture and containment device A storm drain system (10) contained in the ground (36) contains a standpipe (12) having a bottom section (18) having perforations (20) where a porous pavement (22) surrounds the top portion of the standpipe (12), wher... | 09/12/2006 |
| 7105096 | Collection of sludge from the floor of a basin with multiple balanced-flow headers A method meets needs in material collection by significantly increasing the flow rate through headers that collect sludge without causing problems in priming. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or against... | 09/12/2006 |
| 7093722 | Polishing composition storage container The invention provides devices and methods for removing and trapping large and/or dense abrasive particles from a polishing slurry. The polishing slurry is introduced into a container and allowed to stagnate, thereby causing large and/or dense particles to separate ... | 08/22/2006 |
