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| Number | Title | Issue Date |
| 7442293 | Oil/water separation apparatus for oil-containing mixture Oil adsorbent layers 4 and packed layers 5 are alternately laminated inside a treatment vessel 2, the oil adsorbent layers 4 comprise ten laminated flat sheets 4a composed of polypropylene, and gelled aluminum hydroxide 1... | 10/28/2008 |
| 7413663 | Water treatment apparatus and method A water treatment apparatus includes a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least one distinct particulate layer. The apparatus is designed so that no wat... | 08/19/2008 |
| 7378018 | Intersecting water conducting filter An intersecting water conducting filter including a filter main body. An oblique tapered assembly chamber is formed in the filter main body. A sidewall of the assembly chamber is formed with multiple insertion grooves in each of which a water conducting layer is inl... | 05/27/2008 |
| 7335299 | Dual filter A dual filter apparatus and a process of making a dual filter apparatus that minimizes disruption to the normal flow pattern through the filter apparatus by forming a porous medium suitable to carry a fluid activator and placing an activator proximate the porous fil... | 02/26/2008 |
| 7314551 | Flow distribution apparatus Disclosed is a mixer-distributor-collector apparatus for use between beds of solid particles in a fluid-solid contacting vessel. The apparatus includes a solids retaining screen, fluid deflector, passageway, fluid distributor, and flow manipulator. The flow manipula... | 01/01/2008 |
| 7294266 | Filter cartridge for a water tank of a coffee machine The filter cartridge for the water tank of a coffee machine comprises a housing having on both sides a plurality of slot-shaped openings constituting two inlets. For softening the water, the housing of the filter cartridge contains a ion exchange resin. The bottom o... | 11/13/2007 |
| 7291266 | Composite filter and method and apparatus for producing high purity water using the composite filter To compose a composite filter for obtaining water having a high purity usable as water for life and water for medicine from water in which impurities are mixed. Furthermore, to compose an apparatus for obtaining water having a high purity using the filter. Moreover,... | 11/06/2007 |
| 7287575 | Component for supporting a filter member, a device including a tubular filter member and said component, a plate heat exchanger including a tubular filter member and said component The invention relates to a component (20) for supporting a tubular filter member (15) in a portable channel (2) in a plate heat exchanger (1). The invention also relates to a device including the component (20) and the filter membe... | 10/30/2007 |
| 7276161 | Water treatment apparatus A water treatment apparatus includes a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least one distinct particulate layer. The apparatus is designed so that no wat... | 10/02/2007 |
| 7270745 | Liquid filtration apparatus embodying super-buoyant filtration particles Presented is a liquid filtering apparatus and method that overcomes the disadvantages encountered with prior bed filtration systems by providing a filtering apparatus that incorporates a super-buoyant filter medium having a specific gravity very substantially lower ... | 09/18/2007 |
| 7267769 | Water purification system utilizing a carbon block pre-filter A water purification system includes an activated carbon filter and a reverse-osmosis (RO) filter. The activated carbon filter is typically formed with a central aperture that receives an upper portion of a central tube. The RO filter, which is positioned downstream... | 09/11/2007 |
| 7261817 | Filter module and device for static filtration of fluids with such a module The invention relates to a filter module and an apparatus for the static filtration of liquids using filter cells having deep bed filter layers and using spacer layers. According to the invention the filter module has a stack of n filter cells and n+1 spacer layers ... | 08/28/2007 |
| 7255789 | Method and apparatus for liquid purification An apparatus and method for purifying a liquid including: reaction chambers that utilizes KDF 85 or KDF 55 or other media in turbulence with the liquid, a first fine collective filtration unit, a first laser photolytic light ch... | 08/14/2007 |
| 7229559 | Dual-action decontamination method Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants f... | 06/12/2007 |
| 7160452 | Filter device A filtration device that enables efficient cleansing and rinsing of filtration media within a short time, in which filtration sand is not likely to become clogged, and in which unevenness within filtration sand is not likely to occur comprising a screw conveyor 3... | 01/09/2007 |
| 7156995 | Aeration tank control valve system Mineral contaminants are removed from water in a system in which water is sprayed into an air head at the top of a tank through a diffuser and withdrawn through a pick-up tube. A solenoid valve operates to allows air from a compressor to flow into the top of the tan... | 01/02/2007 |
| 7156992 | Water treatment device A water treatment device includes a case having an inlet fitting on an underside thereof and a plurality of cylinders overlapped and received in the case. Each cylinder has a tube received therein and four first ribs connected between the tube and an inner periphery... | 01/02/2007 |
| 7127908 | Polypropylene or polyester plastic desiccant cartridge with fiberglass filter and bead cage ends A desiccant container (2) which comprises a generally cylindrically cross-sectioned cup, two dual-density fiberglass discs (6, 8), desiccant material (4), and a cap (16). The cup includes an outer annular portion, an inner tubular portion... | 10/31/2006 |
| 7094342 | Water activation device A water activation device efficiently activates water and maintains its activation performance over a long period of time. The water activation device includes a conductive body having an in-flow opening and an out-flow opening, a cover member that coats the outer p... | 08/22/2006 |
| 7060181 | Dual density filter cartridge The invention relates to aquarium filters providing improved water filtration without accelerated clogging. The present invention also relates to methods of using such filters. ... | 06/13/2006 |
| 7014755 | Filtration and plug drain device for containing oil and chemical spills A filter/plug drain assembly for insertion into a drain so as to prevent the passage of selected contaminants through the drain is disclosed. The filter/plug assembly includes stacked layers of filter, filtering/plugging and plugging material. The filter/plug assemb... | 03/21/2006 |
| 6998044 | Electrophoretic cross-flow filtration and electrodeionization: method for treating effluent waste and apparatus for use therewith The present invention provides a method and apparatus for purifying effluent wastewater utilizing electrophoretic cross-flow filtration and electrodeionization. The method first comprises filtering the water in a cross-flow direction with a filter membrane (120 | 02/14/2006 |
| 6972091 | Ion exchange resin plant An ion exchange resin plant for the demineralizing or softening water with an arrangement that allows the plant to operate continuously. The plant tank is divided into to two separate compartments that work simultaneously. One compartment effects water demineralizat... | 12/06/2005 |
| 6962652 | Skin-care liquid preparing unit The invention provides a skin-care liquid preparing unit comprising: a main container which contains raw water; a cartridge container which is placed in the main container, and which contains different kinds of cation exchange resins; and a sprayer which is attached... | 11/08/2005 |
| 6902666 | Aquarium filter A aquarium filter for filtering water being introduced into an aquarium. The aquarium filter includes a body member comprising a perimeter wall. The perimeter wall defines a bore extending through the body member. The body member is designed for being coupled to a h... | 06/07/2005 |
| 6887379 | Multiple use water purification device A water purification device that can be inserted into a canteen full of impure water that allows a user to drink purified water directly from the canteen, without the need of a pump. The canteen insert is a multistage purification device that has an inlet section at... | 05/03/2005 |
| 6869528 | Filtering system for runoff water The present invention filters runoff water containing oil and an emulsion of oil and water. A tank receives the inlet water and feeds it to a reservoir which in turn feeds the water to the cylindrical filter cells. The water passing through the filter cells is recei... | 03/22/2005 |
| 6860993 | Pump for low flow rates The present invention concerns a pump for flow rates from about 1 to 1000 nl/min in which liquid transport takes place by evaporation of a transport liquid through a wettable membrane. The pumps according to the invention are particularly suitable for applications i... | 03/01/2005 |
| 6860992 | Reservoir water treatment A water treatment unit for treating water in a reservoir of a coffee maker or a container water treatment system. The water treatment unit has several particulate finely divided water treatment media therein and it includes a housing which has transverse dimensions ... | 03/01/2005 |
| 6858139 | Methods and devices for preparing hemodialysis solutions A single housing comprising a diluent inlet, a solution outlet, and a plurality of discrete reagent beds comprising at least one reagent in dry form, wherein said reagent is present in the discrete reagent bed in a proportion sufficient for production of a complete ... | 02/22/2005 |
| 6797175 | Device for injecting a diverted fluid into a simulated moving bed separation process A device and process for injecting a diverted fluid into a simulated moving bed comprises a vessel containing beds of adsorbant Ai separated by plates Pi for distributing and extracting fluids, each plate comprising at least one pannel, each pannel comprising a sing... | 09/28/2004 |
| 6790345 | Underwater filtration operator An underwater filtration operator which can be suspended in a river, lake, pond or other water body to filter water from the water body. The underwater filtration operator may be electrically charged to discharge impurities in the water body and increase filtering e... | 09/14/2004 |
| 6767457 | Recirculating filter A self contained filter for a recirculating tank is used in a septic system. The self contained filter is a mattress-like filter made of woven material encapsulating aggregate material therein. The weave of the mattress-like woven material is smaller than the aggreg... | 07/27/2004 |
| 6712977 | Liquid clarification method and apparatus A clarification apparatus for liquid, characterized in that it has a first filtration layer (3) and a second filtration layer (4) and, arranged between the layers, an absorbing agent (5) comprising basic magnesium sulfate and magnesium hydroxide... | 03/30/2004 |
| 6692637 | Dual density filter cartridge The invention relates to aquarium filters providing improved water filtration without accelerated clogging. The present invention also relates to methods of using such filters.... | 02/17/2004 |
| 6660160 | Apparatus for separation of solids from a liquid A separation apparatus, in particular intended for separation of amalgam from water, includes a pre-settling chamber, a distribution chamber and a fine settling zone. The fine settling zone includes a plate package, with a plurality of plates fixed with s... | 12/09/2003 |
| 6605214 | Devices for preparing hemodialysis solutions A single housing includes a diluent inlet, a solution outlet, and a plurality of discrete reagent beds comprising at least one reagent in dry form, wherein the reagent is present in the discrete reagent bed in a proportion sufficient for production of a c... | 08/12/2003 |
| 6599428 | Filter system for removing contaminants from water and method thereof An improved filter device for the removal of contaminants from water and method of using same. The present invention comprises an outer housing having an inlet at one end for water to be purified and an outlet for purified water at an opposing end thereof... | 07/29/2003 |
| 6582595 | Compact water conditioning apparatus The present invention relates generally to a water conditioning apparatus that is compact and easily recharged without removal from the installation location. In one embodiment, the present invention relates to a water conditioning apparatus that is gener... | 06/24/2003 |
| 6572769 | Water treatment apparatus A water treatment apparatus including a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least one distinct particulate layer. The apparatus is designed so... | 06/03/2003 |
