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| Number | Title | Issue Date |
| 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 |
| 7291262 | Road surface waste water treatment device and tubular water treatment unit The invention provides a runoff water purification system for removing pollutants which accumulate on road surfaces, thereby reducing the workload of the sewage water treatment plants and preventing environmental water pollution. The system 1 is installed und... | 11/06/2007 |
| 7287651 | Fuel and water separator A fuel-water separator for diesel engines has a coalescing media and baffle plates through which diesel fuel and water pass upwardly, separation thereof being effected by reducing emulsification of water with fuel, and by passing of heavy particulates to the bottom ... | 10/30/2007 |
| 7285211 | Process and system for separating solids from combined sewer overflows A retention treatment basin system and method 10 that handles an influent of combined wastewater and sewer overflows. The influent includes floatable 12 and settlable solids 14. The basin includes a ceiling 16. The retention treatment bas... | 10/23/2007 |
| 7240417 | Collocated metal frame PZT micro-actuator with a lower stiffness suspension design and method of manufacture of same A framing assembly with lower stiffness design and a method of manufacturing that framing assembly are disclosed. In one embodiment, a framing assembly pattern is cut from a piece of a thin planar material, such as metal. The pattern is then bent to form a framing a... | 07/10/2007 |
| 7141167 | Filter device A filter device for filtering liquids including a filter membrane, a main body which is arranged upstream from the filter membrane, and which has a feed channel perpendicular to the surface of the filter membrane, a gap extending between the filter membrane and the ... | 11/28/2006 |
| 7120949 | Multi-purpose drain The purpose of this multi-purpose drain is to prevent foreign matter from intruding into the down stream drainage system while providing a means to maintain the flow of liquid through the system should the primary path of flow become clogged. This invention has a wi... | 10/17/2006 |
| 7005060 | Upflow surface water runoff filtration system A surface water runoff filtration device comprises an intake which is adapted to receive storm water and other surface water runoff. The surface water runoff flows from the surface through the intake to a point below the filter media, and then up toward the surface ... | 02/28/2006 |
| 6974537 | Diesel fuel purifier The diesel purifier produces a fuel of high purity that meets the full ignition requirements at the combustion chamber of the engine. The purifier comprises a purification chamber encapsulated by an external body of the unit wherein, the purification chamber has a b... | 12/13/2005 |
| 6860991 | Drain trap clean-out system An interior pipe has an upper end, a lower end and a central extent. An exterior pipe has an upper region receiving the central extent of the interior pipe and a lower region receiving the lower extent of the interior pipe. The lower region terminates with a removab... | 03/01/2005 |
| 6835306 | Return-side filter for use in a vehicle transmission A fluid filtration assembly (10) operable to provide both return-side and supply-side filtration, as, for example, of a fluid entering and leaving a sump (14) as it circulates in a vehicle transmission (12). The fluid filtration assembly (10 | 12/28/2004 |
| 6733664 | Filtration device for separation of concretions, fragments or other body material from liquids A filtration device for separating concrements, fragments or other body material from liquids which are processed by means of a lithotripter connected to a suction device equipped with a peristaltic valve and sucked out of body cavities. The device has a functional ... | 05/11/2004 |
| 6540926 | Filter assembly The fuel filter assembly for filtering and removing water from a fuel under pressure includes an outerhousing, an inner sleeve member, an annular space between the outerhousing and the inner sleeve member, and filtering means for filtering the fuel. The f... | 04/01/2003 |
| 6500338 | Fuel filter and dryer A fuel filter/dryer having a casing, and the casing having an inlet and an outlet. At least a portion of the casing is filled with a desiccant through which the fuel flows. Also within the casing, is a particulate filter which removes harmful particles fr... | 12/31/2002 |
| 6203698 | Filter assembly The fuel filter assembly for filtering and removing water from a fuel under pressure includes an outerhousing, an inner sleeve member, an annular space between the outerhousing and the inner sleeve member, and a filter for filtering the fuel. The filter i... | 03/20/2001 |
| 6183633 | Separator A separator for separating material from a fluid which includes an inlet, a separating chamber in fluid communication with the inlet, a holding chamber, a deflector for deflecting material entrained in or moving with fluid entering the separating chamber ... | 02/06/2001 |
| 6143173 | Removable drain filter The present invention provides an economical and efficient means for removing grease and other contaminants from restaurant wastewater. There is a need for an easily removable drain filter. The present invention meets this need, as it is a low-cost, dispo... | 11/07/2000 |
| 6083391 | Dental separator For separating solids from a mixture of liquid and solids arising at a dental treatment site, a housing (1) has a solids separator chamber (12) in which there are sedimentation dishes (14) which are arranged coaxially above one another and through which t... | 07/04/2000 |
| 5916442 | Filter assembly The fuel filter assembly for filtering and removing water from a fuel under pressure includes an outerhousing, an inner sleeve member, an annular space between the outerhousing and the inner sleeve member, and filtering media for filtering the fuel. The f... | 06/29/1999 |
| 5776332 | Fuel system with sight-glass By providing a fuel treating system with a strategically positioned sight-glass, it is possible to replace an fuel filter without either spilling large amounts of fuel all over or allowing for air bubbles, which can degrade the lubricating system's operat... | 07/07/1998 |
| 5762790 | Septic tank filtering system A filtering system for filtering effluent in a septic system comprising a filter housing with sides, a top and an open bottom, a filter element holder secured within the filter housing, wherein the filter element holder contains a top and a side portion, ... | 06/09/1998 |
| 5599460 | Water/glycol sensor for use in oil systems The present invention provides a sensor (10) and method for detecting the presence of water or glycol in an oil system. The water/glycol sensor includes a water/glycol concentrator (12) which concentrates the water and glycol in a concentrating zone (84).... | 02/04/1997 |
| 5248420 | Apparatus for dewatering slag sand Provided below the funnel-shaped outlet opening of a receptacle filled with wet slag sand is an outlet funnel which is closed to begin with and forms a conical annular gap around the receptacle. This gap fills with slag sand, as a result of which dewateri... | 09/28/1993 |
| 5240593 | Apparatus for the purification of fluids A purification method and device for purifying industrial liquid such as oil from contaminates including first container housing for receiving the industrial liquid in bulk and separating liquid and particulate contaminates therefrom by reversing a flow d... | 08/31/1993 |
| 5238117 | Mineral processing screen separator This invention relates to a screen separator for separating metal adsorbent particles from a pulp and includes a screen separator for separating metal adsorbent particles from a pulp including an open topped and closed bottom cylindrical screen for axiall... | 08/24/1993 |
| 5221470 | Apparatus for treating waste water A waste water treatment plant is disclosed that uses aerobic bacteria to digest solid particles in the waste water. The plant includes a filter located just upstream of the outlet through which the water leaves the plant. The filter comprises an elongated... | 06/22/1993 |
| 5147544 | Blood filter in medical devices The invention relates to a generally cylindrically shaped container having a filter medium positioned therein and a plurality of partitions, each extending upwardly from the bottom of the container providing a plurality of adjacent lower sections to inclu... | 09/15/1992 |
| 5049266 | Device and method for microbiological water treatment A water treatment module (14) has a sedimentation compartment (20), into which water is introduced under high pressure. A filter or microsieve (1) can be provided upstream of the sedimentation compartment (20). Above the sedimentation compartment (20) the... | 09/17/1991 |
| 4995992 | Apparatus for heating and demoisturizing diesel fuel A fuel treatment apparatus having a settling chamber with a fuel introducing conduit passing through the top of the chamber and extending to a lower portion of the chamber to define a fuel inlet in the lower portion of the chamber. A bouyant valve means i... | 02/26/1991 |
| 4931183 | Process and apparatus for the biological purification of water In a process and apparatus for the biological purification of water by means of a closed percolating filter operated with pure oxygen and/or air, and an upward-flow filter disposed downstream of the percolating filter, with flotation filter material there... | 06/05/1990 |
| 4929349 | Bio-filtration apparatus and method for wastewater treatment Disclosed herein is a bio-filtration system that provides excellent solids removal and carbonaceous B.O.D. and ammonia nitrogen removal and which comprises in combination a tank, wedge wire panels disposed horizontally therein, a fixed film media reactor ... | 05/29/1990 |
| 4925552 | Arrangement for water purification An arrangement for operation to reduce organic contaminant concentration in water passing therethrough as provided. The arrangement includes at least one reactor comprising a plurality of treatment chambers oriented in series, each chamber including an up... | 05/15/1990 |
| 4867877 | Waste disposal/separation system A waste removal and/or segregation system for removing liquid and solid waste simultaneously from waste-holding tanks or vessels. The solid matter in the waste is filtered or segregated into one holding area and the liquid waste placed in a separate holdi... | 09/19/1989 |
| 4816149 | Portable water filtration system A flat, flexible, plastic container has an openable and a closed end separated by a sealed region dividing the container into a first and second chambers. The first chamber extends from the openable end to the closed end which contains a filtration assemb... | 03/28/1989 |
| 4780203 | Liquid separators A separator for removing water from a lower density liquid fuel has a generally circular cross-section container with co-axual downwardly open outlet conduit that includes a portion widening towards the bottom entry opening. An inlet above the widening po... | 10/25/1988 |
| 4739210 | Method and a device for generating heat energy and oscillation energy The invention relates to a method of and a device for simultaneously generating heat energy and oscillation energy. In the method heat is generated by induction heating and oscillations are created by means of at least piezoelectric elements. Previously a... | 04/19/1988 |
| 4700412 | Universal trap A universal drain trap and separator having a hand removable bowl with an open top and a center post which extends upwardly through a lid member which closes the bowl in a sealed relation; inlet and outlet conduits attached to the lid and fastening means ... | 10/20/1987 |
| 4692246 | Cartridge filter with plural medias A fluid filter apparatus uses an outer container configured to receive a removable columnar-like filter having its largest filter elements located at the bottom and its finest filter elements located at the top, from which a port communicates to a space w... | 09/08/1987 |
| 4624779 | Fuel treatment apparatus This invention provides a novel apparatus for removing contaminants from diesel fuel while simultaneously heating such fuel, and provides a collection zone for accumulating separated water and other contaminants.... | 11/25/1986 |
| 4623455 | Method and device for filtering lubricating oil for a dough divider machine A method and device for use in connection with a dough divider machine which continuously uses mineral oil for lubrication. The method comprises capturing mineral oil, flour, and dough contaminants which becomes mixed as the dough divider operates and fil... | 11/18/1986 |
