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| Number | Title | Issue Date |
| 8163176 | Continuous sludge decant system A continuous sludge decant system and associated methods are disclosed. In one exemplary embodiment an apparatus for decanting sludge includes: a decant vessel configured to receive sludge influent, to contain the sludge to be heated and decanted, and to discharge t... | 04/24/2012 |
| 7329340 | Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment systems A continuous flow multistage aerobic wastewater sludge digestion system comprising at least two stages connected in series, each stage comprising one or more covered tanks, tank segments or compartments, each having an enclosed separate gas headspace, wherein the ga... | 02/12/2008 |
| 7326338 | Low cost oil/grease separator A container for receiving and holding effluent water containing oil/grease to be removed has sectional covers. A main sectional cover supports a partially immersed rotatable disk; a drive on the main sectional cover rotates the disk; a trough on the main sectional c... | 02/05/2008 |
| 7273548 | Fluid filter A fluid filter, which is adapted for separating a less dense fluid floating on a high dense fluid, includes at least a fluid filtering arrangement including a floating wing adapted for floating on the less dense fluid and at least a fluid outlet formed on the floati... | 09/25/2007 |
| 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 |
| 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 |
| 7208080 | Low cost oil/grease separator A container for receiving and holding effluent water containing oil/grease to be removed has sectional covers. A main sectional cover supports a partially immersed rotatable disk; a drive on the main sectional cover rotates the disk; a trough on the main sectional c... | 04/24/2007 |
| 7118670 | Energy efficient compact oil and water separator An energy efficient and compact oil and water separator through which the oil and water flow for the purpose of extracting water from the oil and oil from the water made more efficient and compact by incorporating a precise control of the hydrodynamics through the a... | 10/10/2006 |
| 7060179 | Sanitation barrier for oil/grease separator in a kitchen An apparatus for enhancing sanitation in a kitchen equipped with an oil/grease separator includes a barrier made of two vertical portions connected by a horizontal portion to bound a volume between the oil/grease separator and a kitchen wall and prevent the ingress ... | 06/13/2006 |
| 7041215 | System for composting-free disposal of organic wastes A system for composting-free disposal of organic waste and method thereof included a heating apparatus, a pretreatment apparatus, and a decomposition apparatus. The heating apparatus heats the pretreatment apparatus and the decomposition apparatus. The organic waste... | 05/09/2006 |
| 7014756 | Method and apparatus for separating immiscible phases with different densities An apparatus for separating a mixture of a less dense fluid, a more dense fluid, and fines. The less and more dense fluids are immiscible with each other. The apparatus comprises a housing having an inlet at an upstream end thereof and an outlet at a downstream end ... | 03/21/2006 |
| 6952801 | Book assembly process and apparatus for variable imaging system The present invention is useful for assembling a book. The inventive method includes the steps of specifying pagination information including an indication of whether a page is to be selectively included in the book, determining whether the page is to be assembled i... | 10/04/2005 |
| 6951615 | Grease removal system A grease removal system includes a solid interceptor fluidly coupled to a grease trap tank, which is fluidly coupled to a secondary tank. The secondary tank contains an enzyme solution which biodegrades the grease. The grease removal system may also include a solid ... | 10/04/2005 |
| 6869533 | Heating system and method for prevention of septic system freeze-up Disclosed is a septic heater system and method for preventing a freeze-up in a septic system. The heater system typically is used with a previously-installed septic system that includes a septic tank, drop boxes, connecting sewer pipe, a drainfield, and one or more ... | 03/22/2005 |
| 6863805 | Automated, self-contained, home sewage treatment system A small and cost effective sewage treatment system intended for unattended use in individual homes, small industries or businesses in locations where a central sewage treatment plant is not available. The sewage treatment system comprises a conventional septic tank ... | 03/08/2005 |
| 6849176 | 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... | 02/01/2005 |
| 6800195 | Low cost grease removal system A low cost oil, grease removal assembly includes a rotomolded plastic container having an inlet and an outlet; a rotomolded plastic basket support located at the inlet inside the container; a rotomolded plastic outlet baffle located in the container at the outlet; a... | 10/05/2004 |
| 6645387 | Separator device A method and device for separating grease from waste water. The separator device includes a receptacle with an upper first part and a lower second part separated by a plate. The receptacle further has an inlet port for waste water, a discharge port for se... | 11/11/2003 |
| 6533929 | Heated inclined separation pressure vessel A heated inclined separation pressure vessel for receiving an oil emulsion. A shell is supported at an oblique angle to horizontal, thereby defining an upper and lower end. An elongated sleeve extends coaxially through the vessel. A heat pipe bundle exten... | 03/18/2003 |
| 6524474 | Solvent purifying system A solvent separator apparatus having a vertical accumulator tank with a top end and a bottom end, the accumulator tank being serially connected to a vertical reservoir tank having a top end and a bottom end; a down tube vertically positioned in the accumu... | 02/25/2003 |
| 6338795 | Purifying system A second purifying apparatus 2 for furthermore purifying working solution purified by a first purifying apparatus 1 is disposed downstream of the first purifying apparatus 1. A working-solution introducing pipe 42 which is capable of diffusing and dischar... | 01/15/2002 |
| 6315898 | Emulsion treating method and apparatus A treater for electrostatically and/or mechanically separating emulsified brine from oil during longitudinal flow through a horizontally elongate metal tank. Emulsion is directed through a louver stack made up of a large number of inclined parallel plates... | 11/13/2001 |
| 6170470 | Fuel supply system for an internal combustion engine A fuel system provides first and second conduits that draw fuel from first and second positions, or locations, within a fuel reservoir. If water exists in the fuel reservoir, the second position is selected to be lowered in the fuel reservoir than the fir... | 01/09/2001 |
| 6099742 | Inclined emulsion treater An emulsion treater has an elongate vessel for receiving oil in which water is emulsified and gas is entrained, and for separating these impurities from the oil. The vessel is supported so that the axis is oblique through the horizontal, thus defining an ... | 08/08/2000 |
| 6071420 | Method and apparatus for separation of oil and water There is described a method for the separation of liquids of different densities that are not soluble in one another, such as water and oil, where a liquid mixture is placed in a tank in which heat is optionally supplied to the liquid mixture, and separat... | 06/06/2000 |
| 6063271 | Portable waste water treatment plant A multi-chambered portable waste water treatment plant for a mobile home which is installed on or above ground level and can be easily moved from one location to another. The portable waste water treatment plant of the invention is insulated and is intern... | 05/16/2000 |
| 6054060 | Liquid purfication system and method for decontaminating microbe infested liquid A liquid purification system (10) and method for decontaminating microbe infested liquid (14) is provided. The liquid purification system (10) includes a primary tank (18) which contains both a purifying liquid composition (24) and an initially treated mi... | 04/25/2000 |
| 5954973 | Hydrocarbon removal apparatus and method A belt type oil and grease skimmer for removing hydrocarbon contaminants from surfaces of bodies of water is disclosed. The skimmer includes a housing and frame structure for positioning above a contaminated body of water. An idler roll and a coating nip ... | 09/21/1999 |
| 5935449 | Automated separator of light fluids by specific gravity The automatic grease separator receives wastewater containing grease and other light fluids, separates the water portion from the light fluids portion, and stores the light fluids portion. A computer is used to control the operation of separator functions... | 08/10/1999 |
| 5900137 | Apparatus and method for separating components in well fluids A system for separation of fluids and drill cuttings received-from a borehole during an under-balanced drilling procedure. The system is designed to cope with significantly varied pressures and flow rates, particularly in relation to gas content of drill ... | 05/04/1999 |
| 5876596 | Apparatus for treating water An apparatus for treating water to produce potable water includes a filter connected to an inlet of a heating unit in turn connected at an outlet to an input of a container with cooling components for separating out heavy water. The heavy water separator ... | 03/02/1999 |
| 5865992 | Oil, water and gas separator An elongated, cylindrical oil, water and gas separator with end closures for receiving a flowing mixture of oil, water and foamy gas improved by means for defoaming the gas, separating the oil, water and gas into distinct laminar layers and a means for ab... | 02/02/1999 |
| 5861098 | Apparatus and method for removing grease from drain water in restaurant operations An apparatus and a method for separating a light liquid from a heavy liquid in a mixture of these liquids are provided which enhance the gravitational separation of such liquids. Thus, water laden with greases such as from a commercial kitchen is contempl... | 01/19/1999 |
| 5851386 | Waste-oil cleaning apparatus A waste-oil cleaning apparatus includes a processing tank for holding waste-oil, and arranged such that non-oil liquids in the waste-oil settle in the base of the tank. A conduit and valve arrangement is provided for withdrawing the settled non-oil liquid... | 12/22/1998 |
| 5736059 | Waste water heat recovery system The present invention is an apparatus and system to recover heat from wastewater in a new or existing building comprising a convector heat exchanger with thermal storage that accepts wastewater of any temperature, an in-line separator to direct large soli... | 04/07/1998 |
| 5705055 | Apparatus for automatically recovering grease from a grease separator An apparatus for separating grease from an effluent stream containing grease and water includes a separation tank, having a separation chamber; in which the grease and water in the effluent separate with the grease floating on top of the water. Grease is ... | 01/06/1998 |
| 5690813 | Fluid separator apparatus An apparatus for separating contaminated waste water into a substantially uncontaminated homogeneous extract water portion and into a heterogeneous raffinate fluid portion. Upon being subjected to sufficient circular flow, in an environment emulating the ... | 11/25/1997 |
| 5685974 | Compact, efficient, monitorable immiscible fluid separator Disclosed is a fluid separator for isolating a component from a composite fluid having one fluid entrained within, but immiscible in, another fluid, and the two fluids have differing specific gravities. An enclosed chamber of the separator houses an elong... | 11/11/1997 |
| 5645733 | Hydrocarbon removal apparatus and method A belt type oil and grease skimmer for removing hydrocarbon contaminants from surfaces of bodies of water is disclosed. The skimmer includes a housing and frame structure for positioning above a contaminated body of water. An idler roll and a coating nip ... | 07/08/1997 |
| 5611392 | Power fluid heating system A power fluid heating system according to this invention includes a heating apparatus positioned within a power fluid container having a first power fluid pickup conduit, a second power fluid pickup conduit positioned within the first power fluid pickup c... | 03/18/1997 |
