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| Number | Title | Issue Date |
| 8105483 | Snap-in water sensor An improved water sensor and method for retaining a water sensor to a filter housing are described herein. A snap-fit connection is utilized to secure the water sensor to the filter housing. In one embodiment, the snap-fit connection is achieved using non-metallic c... | 01/31/2012 |
| 8070940 | Fuel filter device A filter element is formed from a filter material configured to capture a foreign substance in fuel. A lower case is attachable to and detachable from a bottom portion of a housing in a movable direction. The housing and the lower case are configured to accommodate ... | 12/06/2011 |
| 8038870 | Centrifuges with rotating feed pipes A centrifuge includes a rotational mechanism, a housing, a rotating feed pipe and a basket. The housing includes at least one side and defines an interior volume. The basket is positioned in the interior volume of the housing and is operatively coupled to the rotati... | 10/18/2011 |
| 8038871 | Septic tank float mounting system A septic tank float mounting system includes a septic tank having a pump therein. A discharge conduit is in fluid communication with the pump. A pump actuating assembly is removably positioned in the septic tank. The pump actuating assembly includes a tube having a ... | 10/18/2011 |
| 8038872 | Filtering device for fluids, in particular for fuel A filtering device for fluids features a filter element located in a filter housing and a heating device located in the flow path of the fluid. The heating device comprises a heating element that is held by a heating support which is located at the inner surface of ... | 10/18/2011 |
| 8007664 | Floating dispenser for dispensing a solid dissolvable chemical into ambient water A floating dispenser is provided for dispensing a solid, dissolvable water treatment chemical into ambient water. The dispenser includes a bucket having top and bottom ends, a top wall covering the top end, an opening for admitting ambient water into the bucket inte... | 08/30/2011 |
| 7981278 | Gasoline-ethanol separation apparatus This present invention provides a gasoline-ethanol separation apparatus which is used for an internal combustion engine, and can separate a mixture fuel formed of mixed gasoline and ethanol into gasoline and ethanol. The gasoline-ethanol separation apparatus 1 | 07/19/2011 |
| 7972500 | Waste water purification apparatus A wastewater purifying apparatus has plural treatment chambers for stepwise purifying wastewater discharged from a lavatory, a storage chamber for storing purified wastewater derived from the downstream-most treatment chamber, and a purified wastewater storage tank.... | 07/05/2011 |
| 7959798 | Device for treating a back-flushed fluid In order to provide a device for treating a fluid containing solids which has been flushed back from a reversible flow filter, comprising a sedimentation device for separating solids from the flushed back fluid by a process of sedimentation in a sediment collecting ... | 06/14/2011 |
| 7918994 | System that removes contaminants from sulfur A system for removing contaminant from sulfur to a level that allows re-processed sulfur to reenter a supply chain. The system melts contaminated sulfur, filters the molten sulfur, and then dispenses the less contaminated sulfur after filtering it. More specifically... | 04/05/2011 |
| 7909990 | Filter device A filter device is made up of: a filter portion having a fluid outlet at its axis, and a fluid inlet in a position away from the axis, in which a fluid containing particles is supplied at a predetermined flow speed from the fluid inlet to cause a swirling, particles... | 03/22/2011 |
| 7883620 | Filter trap for waste water A filter trap into which waste water can be dumped to separate particulate matter from the water. A sensor senses when the liquid level in the filter trap rises above a predetermined level, and triggers an alarm to indicate the filter basket is full of particulate m... | 02/08/2011 |
| 7867386 | Protein separator for aquaria It is proposed to avoid an excessive formation of foam in the collection vessel of a protein separator by throttling the feed of air to a foam generator according to the foam generation rate in the separator. The foam generation rate in the separator can be measured... | 01/11/2011 |
| 7833410 | Bio tank/gas replenishment system In systems for treating wastewater liquid by utilizing aerobic biological species, the contaminated wastewater stream is pretreated in a dissolved air flotation system to remove suspended solid waste, including large particles such as fats, grease, and physically em... | 11/16/2010 |
| 7828960 | F.O.G. separator control A separator for separating F.O.G. from an effluent that contains F.O.G. includes a tank, an inlet to the tank for receiving effluent that contains F.O.G., and an outlet to allow grey water to leave the tank. The tank has a size to enable stratification of a layer of... | 11/09/2010 |
| 7815794 | Water softener salt loading system Remote delivery of water softener pellets into a water softener by a vacuum. By using a vacuum the delivery system allows salt to be delivered to great distances to point of use (existing brine tank). This invention will allow people to drive into their garage close... | 10/19/2010 |
| 7763168 | Control of centrifuges A method of controlling a centrifuge of the type having a rotating perforated basket on whose inner peripheral wall a liquids/solids slurry is caused to collect in use, with separated liquid being collected via the basket perforations. The method comprising taking d... | 07/27/2010 |
| 7708879 | Fuel filter for diesel internal combustion engines For diesel internal combustion engines, an improved filter unit comprising an outer casing the interior of which is separated by a filtering baffle into two separate chambers to which a fuel inlet conduit and a fuel outlet conduit are connected respectively, with sa... | 05/04/2010 |
| 7704382 | Gravity type fiber filter The present invention provides a gravity fiber filter, comprising: a filter tank placed in a portion of a large amount of running water; at least one unit filter disposed in the filter tank; a filtered water collecting tank disposed in a lower portion of the filter ... | 04/27/2010 |
| 7662277 | Wastewater treatment apparatus An improved wastewater treatment apparatus is provided. The waste treatment apparatus illustratively follows a primary treatment system such as, for example, a septic tank, a primary clarifier, a lagoon, or an activated sludge process. ... | 02/16/2010 |
| 7658839 | Device for purifying liquid in a liquid reservoir and a transformer provided with such a device A device for purifying liquid in a reservoir and including a vacuum chamber (1) having an inflow opening (2) and an outflow opening (3) adapted to communicate with the liquid in the reservoir through a feed conduit (4) and a return condui... | 02/09/2010 |
| 7638043 | Grit chamber for wastewater treatment plant, capable of preventing sedimentation of organic material A grit chamber for a wastewater treatment plant. A vertical floodgate is installed on a partitioning wall and is driven in a vertical direction to be opened downwardly from a top toward a bottom. A floodgate driving motor is coupled to one end of the vertical floodg... | 12/29/2009 |
| 7632397 | Integrated portable water purifier The present invention relates to an integrated portable water purifier for purifying water, by filtration through adsorption media to remove harmful chemicals followed by ultraviolet treatment to disinfect the water. The water purifier effectively removes the contam... | 12/15/2009 |
| 7622036 | Bio tank/oxygen replenishment system A system is disclosed herein for treating wastewater liquid by utilizing aerobic biological species. The contaminated wastewater stream is pretreated in a dissolved air flotation system to remove suspended solid waste, including large particles such as fats, grease,... | 11/24/2009 |
| 7585408 | Liquid filter A liquid filter, particularly for the lubricating oil of an internal combustion engine, having at least one replaceable filter and a carrier module, in which the replaceable filter has a housing with an inlet and an outlet for the liquid to be filtered; a housing ve... | 09/08/2009 |
| 7578930 | Mobile water treatment system A mobile water treatment unit is provided with separation and filtration components secured to a trailer. ... | 08/25/2009 |
| 7513991 | Aquarium filter indicator A clogging indicator for a fish tank or aquarium comprising a transparent vertical tube with a float positioned therein. The indicator is designed to sit on the outside of the tank and the filter itself. The water level in the tube is lowered and raised according to... | 04/07/2009 |
| 7476310 | Fuel filter for diesel engines with high pressure direct injection of common rail type and the like Fuel filter for diesel engines with high pressure direct injection of common rail type and the like, comprising an outer casing provided with a fuel inlet conduit (3) and an outlet conduit (4), and containing in its interior a filter means(5), a... | 01/13/2009 |
| 7473353 | Fuel filter of an internal combustion engine A fuel filter of an internal combustion engine has a filter housing in which water separated from the fuel may collect within the filter so as to permit collection of the largest possible quantity of separated water in the smallest possible overall volume. This fuel... | 01/06/2009 |
| 7445704 | Oil separation apparatus An above ground oil and water separator including a pump to draw potentially contaminated water from a containment area, and to supply a flow of water to an enclosure. An enclosure inlet pipe takes water from the diaphragm pump into the enclosure. A first sub-enclos... | 11/04/2008 |
| 7442294 | Blood dialyzer A hemodialysis apparatus that carries out hemodialysis treatment by measuring or calculating the blood volume or its volume change as a blood indication level, and by controlling dialysis conditions according to said target blood indication level, wherein the chrono... | 10/28/2008 |
| 7435339 | Filter device integrating sampled volume control The invention relates to a drainage device for a filter unit for microbiological testing of liquids, said drainage device including a mechanical support (10), which is adapted to receive a filter unit (16), and an suction pump (22) connected to ... | 10/14/2008 |
| 7402249 | Blood purification apparatus for elevating purification efficiency A blood purification method that purifies blood taken from a body by blood dialysis or by hemodiafiltration includes the step of changing an osmotic pressure of the blood to an increasing condition until a blood volume (BV level) attains a standard blood volume, in ... | 07/22/2008 |
| 7389688 | Indirect liquid level measurement A tank level detection apparatus for indirect measurement of a liquid level in a tank is disclosed. The apparatus includes a second liquid at least partially stored in a reservoir and a one-way valve, which communicates between the reservoir and the tank. A sensor i... | 06/24/2008 |
| 7368055 | Structural improvement for a water purifier A structure improvement for a water purifier includes a streamlined main body combined by a pair of the symmetrically arranged half housings each of which has a large opening closed by a lid, a motor unit, a pipeline and a flat rectangular rack disposed inside the m... | 05/06/2008 |
| 7367459 | Passive grease trap using separator technology A grease trap for separating grease and solid waste from waste water. The grease trap includes a tank having a downwardly shaped bottom. An upwardly shaped divider divides the tank into an upper chamber and a lower chamber. A hole near an upper part of the divider a... | 05/06/2008 |
| 7368060 | Apparatuses and methods for detecting contaminant in a fuel system Apparatuses and methods are provided for detecting contaminant in a fuel system, such as a fuel system of an internal combustion engine. The apparatus includes a fuel filter comprising an upper unit having a fuel inlet port, a fuel outlet port, and a closeable vent ... | 05/06/2008 |
| 7364664 | Foreign matter removing mechanism, fluid flow processing equipment, and foreign matter removing method The present processing apparatus blocks off such a portion of a flow of a plating solution (17) that is other than a vicinity of a liquid surface, by using a first partition plate (15) whose lower end is in close contact with a bottom of a plating tank... | 04/29/2008 |
| 7364661 | Method and device for separating a mixture of fluids A mixture of fluids is separated into at least two phases, one of which has a higher density than the other, passing the mixture through a normally horizontal supply pipe, by creating a stratified flow in the supply pipe, by passing the mixture through an inclined p... | 04/29/2008 |
| 7364657 | Integrated system for on-site cell acquisition, processing, and delivery Numerous embodiments of a system and method for treating cardiac tissue are described. In one embodiment, bone marrow cells are extracted from a patient. The cells are then processed to isolate mononuclear cells, which can then be delivered back near the cardiac tis... | 04/29/2008 |
