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| Number | Title | Issue Date |
| 8133388 | Waste water filtering system A wastewater filtering system is provided for the passage of the wastewater from the home to the septic tanks prior to passage to the drain fields. The system comprises a separate septic tank assembly and a grease trap assembly operatively adapted to receive the was... | 03/13/2012 |
| 7998347 | Suction filter for automatic transmission fluid An assembly for filtering contaminants from automatic transmission fluid includes a housing including a first inlet and a second inlet, through which fluid enters the housing, and an outlet, through which fluid exits the housing; a first media filter located within ... | 08/16/2011 |
| RE40721 | Duplex strainer A duplex strainer for straining material includes a housing, housing inlet port through which material enters the housing under pressure for straining and an outlet port through which strained material exits the housing. The housing includes a first strainer chamber... | 06/09/2009 |
| 7407573 | Quick countercurrent-type water purifier A quick countercurrent-type water purifier configured with two filters, two motors, a control circuit, a purified water storage tank and a waste water tank, wherein a pipe extends from the waste water tank. Moreover, a raw water inlet pipe connects to the pipe throu... | 08/05/2008 |
| 7402246 | Systems and methods using multiple solvents for the removal of lipids from fluids This invention is directed to systems and methods for removing lipids from a fluid or from lipid-containing organisms from a fluid, such as plasma. These systems combine a fluid with at least one extraction solvent, which causes the lipids to separate from the fluid... | 07/22/2008 |
| 7390400 | Denitrification reactor with a fixed culture A denitrification reactor with a culture fixed to an organized plastic-type support is combined with an installation for the nitrification and elimination of the carbon-based pollution The reactor is supplied with a mixture of the raw effluent to be treated and of t... | 06/24/2008 |
| 7387721 | Apparatus and system for removing scale causing chemicals in hot water systems Hot water pipes, in areas with hard water, tend to fill with scale until they no longer pass enough water. De-scaling water pipes with acid is dangerous, expensive and damages the pipes. Ion exchange and reverse osmosis water softeners eliminate scale buildup in pip... | 06/17/2008 |
| 7297261 | Systems and methods using a solvent for the removal of lipids from fluids Systems and methods for removing lipids from a fluid, such as plasma, or from lipid-containing organisms. A fluid is combined with at least one extraction solvent, which causes the lipids to separate from the fluid or from lipid-containing organisms. The separated l... | 11/20/2007 |
| 7297262 | Hollow fiber contactor systems for removal of lipids from fluids This invention is directed to systems and methods for removing lipids from a fluid, such as plasma, or from lipid-containing organisms. These systems contact a fluid with an extraction solvent, which causes the lipids in the fluid to separate from the fluid or cause... | 11/20/2007 |
| 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 |
| 7264716 | Membrane filtration manifold system A membrane filtration manifold for connecting a filter submodule including one or more elongate bundles of semipermeable polymeric fibers is provided. The manifold includes a housing and connecting collar connected with said housing. The collar is adapted to receive... | 09/04/2007 |
| 7238283 | System for wastewater treatment A new and improved wastewater treatment system suitable for the treatment of wastewater from a CMP process. A holding tank receives wastewater from a CMP wastewater collection tank. The holding tank may further receive wastewater from a backside grinding (BG) wastew... | 07/03/2007 |
| 7214312 | Fluid circuits, systems, and processes for extracorporeal blood processing A sterilized fluid management kit for use in renal replacement therapy isolates a replacement fluid container from touch contamination and provides for sterilization of replacement fluid by filtering using an installed filter that is hermetically connected to the re... | 05/08/2007 |
| 7198713 | Installation for the removal and the deactivation of organisms in the ballast water Installation for the removal and the deactivation of organisms in the ballast water, with the following characteristic features: a first feed pump for conveying the ballast water, an equipment for gravity precipita... | 04/03/2007 |
| 7195710 | Systems and methods using multiple solvents for the removal of lipids from fluids This invention is directed to systems and methods for removing lipids from a fluid or from lipid-containing organisms from a fluid, such as plasma. These systems combine a fluid with at least one extraction solvent, which causes the lipids to separate from the fluid... | 03/27/2007 |
| 7182864 | Housing for environmentally friendly filter cartridge A filter system in which a housing and an environmentally friendly filter cartridge are coordinated to provide ease of change of the filter cartridge and reliable operation. The cartridge contains no metal parts and is readily incinerateable. The housing is provided... | 02/27/2007 |
| 7169297 | pH adjuster-based system for treating liquids The invention features a system for treating liquid including a liquid treatment device comprising adsorbent media for removing a substance from liquid and a pH adjuster device located upstream of the liquid treatment device relative to a direction of flow of the li... | 01/30/2007 |
| 7140441 | Fluid separation method and system A method and a system for separating the phases of a multiphase fluid from one or more wells. The system includes at least one first gravity separator and at least one second gravity separator, and elements for conducting the fluid from the well or wells to the firs... | 11/28/2006 |
| 7112283 | Method and system for processing waste A method and system of processing animal waste, whereby liquid is removed from the waste and recycled for use in other applications. Moreover, use of the method and system facilitates capture of the solid waste, which may then be used as fertilizer. In the present m... | 09/26/2006 |
| 7087158 | Oxygen-supply-capable cooling water equipment, filtration-equipment and filtration-equipped cooling water equipment incorporated with these equipment Filtration-function-equipped cooling water equipment that includes: filtration equipment connected to water-purifying, oxygen-supply-capable cooling water equipment, wherein the filtration equipment includes a filtration space for a filter, wherein the water-purifyi... | 08/08/2006 |
| 7077968 | Method for continuously filtering raw brine for use in chlor-alkali electrolysis The method of continuously processing raw brine with a solids content to obtain substantially solids-free pure brine (E) for use in chlor-alkali electrolysis. In this method the raw brine (A) is separated, by means of a decanter (1), into a clear brine (B) wi... | 07/18/2006 |
| 7048848 | Hybrid spin-on filter A hybrid oil filter assembly includes a housing and a first (e.g., conventional) oil filter element disposed in proximity to a bottom portion of the housing. The first oil filter element contains an open inner volume. A second oil filter element having a generally c... | 05/23/2006 |
| 7033500 | Systems and methods using multiple solvents for the removal of lipids from fluids This invention is directed to systems and methods for removing lipids from a fluid or from lipid-containing organisms from a fluid, such as plasma. These systems combine a fluid with at least one extraction solvent, which causes the lipids to separate from the fluid... | 04/25/2006 |
| 7022243 | Apparatus for treating storm water A separation tank having an inlet and an outlet and forming a low flow path and a high flow path, both conveying water from the inlet to the outlet. At normal, low flows, the water enters the inlet and passes through the low flow path having treatment chambers to re... | 04/04/2006 |
| 6977041 | Apparatus for manufacturing deionized water and using method thereof An apparatus and method for manufacturing deionized water is provided. Water is supplied to a first conduit. A plurality of reverse osmotic pressure vessels are connected to the first conduit. A filtering experimental vessel is connected to the first conduit, the fi... | 12/20/2005 |
| 6977006 | Keyed system for connection of filter cartridge to filter holder Embodiments of a key system for filters and their connecting heads/holders are shown. The filter cartridge and its holder each have a keyed surface, one being a protruding “key” and one being a recessed “lock”. Cooperation of these keyed surfaces is required... | 12/20/2005 |
| 6962660 | Fluid filter system with secondary flow path for augmented filtration A filter system for spas and swimming pools is disclosed having a primary filter containing a porous membrane made of multiple plies. A fluid purifying medium in the form of irregularly shaped copper and zinc alloy particles is captured between the plies and placed ... | 11/08/2005 |
| 6783671 | Enhanced activated sludge treatment An enhanced activated sludge wastewater treatment method increases volumetric pollutant loading, hydraulic loading capacity and nutrient removal efficiency at a conventional activated sludge wastewater treatment plant. The method describes the control of return acti... | 08/31/2004 |
| 6783666 | Water softening device and method for regeneration control thereof A water softening device and a method for regeneration control thereof, in which the hardness of feedwater to be softened is detected with the lapse of time and regeneration timing is controlled based on the detected value. The invention includes an inlet hardness m... | 08/31/2004 |
| 6776903 | System for waste water treatment capable of saving energy and reducing suspended solids In this waste-water treatment system, solids suspended in waste water are attached to a radial ring-shaped thread structure 6 filled in an attachment filter tank 2. Then, particle sizes are increased and the attached solids are further made to be anaer... | 08/17/2004 |
| 6761822 | Dual filter with flow mixer and centrifugal separator A filter for filtering a fluid, such as lubricating oil for an engine, has a first element for trapping small particles and a second filter element for trapping sludge, the second filter element being stacked on the first filter element. A flow-deflecting element is... | 07/13/2004 |
| 6695891 | Keyed system for connection of filter cartridge to filter holder Embodiments of a key system for filters and their connecting heads/holders are shown. The filter cartridge and its holder each have a keyed surface, one being a protruding "key" and one being a recessed "lock". Cooperation of these keyed surfaces is requi... | 02/24/2004 |
| 6638422 | Liquid filtration apparatus and method embodying filtration particles having specific gravity less than liquid being filtered A liquid filtering apparatus which incorporates a filter bed medium having a specific gravity lower than that of the process liquid being filtered. Process liquid is pumped through one or more filter chambers containing the filter bed medium. A discharge ... | 10/28/2003 |
| 6620314 | Production of pyrogen controlled water A unit 1 for producing pyrogen controlled water on a small to medium factory scale comprises a number of charged ultrafiltration units 10 arranged in parallel. Orifice plates 15 are used to restrict and control the flow of deionized water to each filter 1... | 09/16/2003 |
| 6605215 | Hybrid spin-on filter An oil filter including a housing, a first oil filter element, a second oil filter element disposed circumferentially about a length of the first oil filter capable of filtering particles of a smaller size than the first oil filter element. A first oil fi... | 08/12/2003 |
| 6592754 | Apparatus and process for removing metallic particles from effluent liquid waste An apparatus for separating solid particles from the suction effluent of, for example, a dental office, preferably driven by a dental office vacuum pump, includes a surge tank for accommodating effluent overfill connected to a sedimentary deposit tank for... | 07/15/2003 |
| 6572777 | Method for purifying the cooling circuit of an alternator stator operating in ventilated circuit, and implementing device The invention concerns a method for purifying the cooling circuit of an alternator stator, characterized in that part of the water of the closed cooling circuit is derived upstream of the alternator towards the deionization circuit supplying the recovery ... | 06/03/2003 |
| 6555011 | Method for disinfecting and purifying liquids and gasses The present invention relates to a method for disinfecting and purifying liquids and gasses comprising; a) passing said liquids or gasses through a reactor or a combination of reactors, having a truncated compounded concentrator geometry; and b) simultane... | 04/29/2003 |
| 6489132 | Methods and apparatus for determining specific analytes in foods and other complex matrices Methods and apparatus for qualitatively or quantitatively determining one or more analytes in matrices such as foods, biological fluids, etc. An embodiment for determination of a single analyte comprises a sample receiving vessel, a first membrane and a r... | 12/03/2002 |
| 6485652 | Process for physico-chemical treatment of water and installation for embodiment of this process The invention concerns a method for the physico-chemical treatment of water characterized in that it comprises at least a step consisting in causing the water to be treated in at least one settler providing non-thickened sludge and in at least one settler... | 11/26/2002 |
