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| Number | Title | Issue Date |
| 8287731 | Fluid tank with kidney-loop filtration system A return flow filtration assembly for filtering return hydraulic fluid is provided. The filtration assembly includes a first return fluid chamber including a first inlet and first and second of outlets. The second outlet is configured to be coupled to a secondary re... | 10/16/2012 |
| 8147688 | Stormwater chamber detention system A stormwater detention system includes a containment row for removing and collecting solids from stormwater. The containment row may be surrounded by a water-impermeable membrane, and designed to receive incoming water before other rows of the detention system. The ... | 04/03/2012 |
| 8038878 | Integrated filter system for a coolant reservoir and method A simple, low cost, replaceable coolant filtering is integrated in a coolant reservoir bottle or reservoir tank of an internal engine liquid cooling system. The coolant filtering system intercepts coolant flowing between the engine cooling system and the coolant res... | 10/18/2011 |
| 7875174 | Apparatus for separating a light fluid from a heavy one and/or removing sediment from a fluid stream An input chamber receives runoff water to be cleaned. Part of the way up the chamber wall is a restricted outlet which feeds a system for cleaning the water. At a still higher elevation another opening allows runoff water to flow to another cleaning system. Near the... | 01/25/2011 |
| 7540954 | Pollutant purification apparatus An apparatus for purifying polluted water is disclosed, which can naturally remove polluted water stagnated in a treatment tank. The apparatus includes a treatment tank and an infiltration tank. The treatment tank has an inlet at its one side, and first and second o... | 06/02/2009 |
| 7429324 | Device for in-line preparation of liquid for an extracorporeal blood treatment apparatus A method for in-line preparation of liquid for an extracorporeal blood treatment apparatus that makes provision for placing a filter in correspondence with each of two successive filtration stations, for carrying out a liquid preparation cycle, for removing the filt... | 09/30/2008 |
| 7429323 | Water treatment system and pressure pipe therefor A pressure pipe for transporting corrosive material, such as ozonated water, is formed with a pipe joint that is resistant to ozone. An intermediate portion of the pressure pipe is formed from a low-carbon steel cylinder with inner and outer concrete layers and pres... | 09/30/2008 |
| 7425261 | Stormwater bioretention filtration system with overflow/bypass capability A stormwater treatment system including a substantially water impermeable treatment container for treating stormwater through a bioretention mechanism. The treatment container includes an overflow/bypass opening to receive stormwater that bypasses the treatment cont... | 09/16/2008 |
| 7415994 | By-pass line connector for compounding system A bypass for a tube set for directing the flow of a fluid component includes an inlet passage for fluid connection with a source of said fluid component, an outlet passage for fluid connection with a first bag compartment, and a bypass passage for fluid connection w... | 08/26/2008 |
| 7361271 | Environmentally friendly dual lube venturi filter cartridge An environmentally friendly dual lube venturi filter cartridge which has no metallic components. A plastic centertube having a venturi section supports a bypass filter element on standoffs molded into the centertube. An outer concentric full flow filter element surr... | 04/22/2008 |
| 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 |
| 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 |
| 7204277 | By-pass line connector for compounding system A tube set for dispensing components into a product bag includes a plurality of tubing lines, a manifold, and a bypass. The manifold has a plurality of inlets, each inlet adapted for connection to a respective tubing line. The manifold also has an outlet connectable... | 04/17/2007 |
| 7179380 | Environmentally friendly dual lube venturi filter cartridge An environmentally friendly dual lube venturi filter cartridge which has no metallic components. A plastic centertube having a venturi section supports a bypass filter element on standoffs molded into the centertube. An outer concentric full flow filter element surr... | 02/20/2007 |
| 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 |
| 7090773 | Coaxial full-flow and bypass oil filter An improved combination full flow bypass oil filter is presented where the output of the bypass filter is obtained by non-venturi means and the extremely clean bypass filter output is measurable at all engine oil pressures. The bypass filter output is not blended wi... | 08/15/2006 |
| 7077956 | Device for preparing dialysate for a dialysis machine A device for preparing dialysate for a dialysis machine is provided with a cartridge (9) containing salts (S), a first line (6) for supplying purified water to the cartridge (9) to form a saturated solution in the said cartridge (9), a se... | 07/18/2006 |
| 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 |
| 7014761 | Environmentally friendly dual lube venturi filter cartridge An environmentally friendly dual lube venturi filter cartridge which has no metallic components. A plastic centertube having a venturi section supports a bypass filter element on standoffs molded into the centertube. An outer concentric full flow filter element surr... | 03/21/2006 |
| 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 |
| 7001507 | Retention and removal of debris and pollutants from surface water runoff A system to restrict and remove debris and pollutants from runoff water received from surrounding areas. A receptacle receives the runoff water, and a grate detains the heavier part of its solids burden. A first screen within the receptacle detains solids of lesser ... | 02/21/2006 |
| 6994784 | Liquid filter/heat exchanger unit A liquid filter/heat exchanger unit including a liquid filter and a heat exchanger, the liquid filter having a filter element in a filter housing. To bypass the heat exchanger, there is a bypass connecting the heat exchanger inlet directly to the unfiltered side of ... | 02/07/2006 |
| 6991734 | Solids retention in stormwater system Apparatus for receiving and dispersing stormwater beneath the earth surface is comprised of an array of chambers, preferably having arch shape cross section, buried in crushed stone. Surface stormwater flows first through a diverter, then into a solids retention sub... | 01/31/2006 |
| 6936084 | Filter for the separation of contaminants from gas stream A filter for separating contaminants from a gas stream, including (a) a housing having a housing body and a housing head, the housing head having an inlet for the gas stream to be purified, an outlet and a first sealing surface, and (b) a filter element accommodated... | 08/30/2005 |
| 6936163 | Water pollution trap with clay collector A chamber having an inlet for receiving polluted storm-water runoff and an outlet for the storm water to flow out. Within the chamber is a pivotal filter that catches clay during typical storm flows and pivots out of the way during higher flows. In alternative embod... | 08/30/2005 |
| 6875323 | Method of chemically decontaminating components of radioactive material handling facility and system for carrying out the same Ozone gas having a high ozone concentration is generated by a solid electrolyte electrolytic process. An ozone solution is prepared by injecting the ozone gas into an acidic solution of pH 6 or below. The ozone solution heated at a temperature in the range of 50° t... | 04/05/2005 |
| 6857392 | Aquarium pumping and airing apparatus An aquarium includes a pump disposed in a chamber of a container to circulate water and having a spindle. An air supplying device is coupled to the spindle of the pump and driven by the spindle of the pump, to pump air into the water contained in the chamber of the ... | 02/22/2005 |
| 6821445 | Rainwater-treating apparatus in combined sewer system and backwashing method therefor The present invention is aimed at treating rainwater in a combined sewer system, while enabling removal of a majority of pollution substances even if a large amount of entering rainwater. The invention relates to a rainwater-treating apparatus in a combined sewer sy... | 11/23/2004 |
| 6821421 | Hemodialyzing unit for adjusting dialytic fluid to low flow rate A hemodialyzing unit includes a dialytic fluid supply line for feeding a dialytic fluid from a dialytic fluid supply/discharge unit to a dialyzer, a dialytic fluid discharge line for feeding a dialytic fluid discharged from the dialyzer to the dialytic fluid supply/... | 11/23/2004 |
| 6783683 | Stormwater pollutant separation system and method of stormwater management A stormwater pollutant separator system is provided with the system having a stormwater pollutant separator, a by-pass system, an intake conduit and an outflow conduit connected together. The stormwater pollutant separator includes a chamber with a weir plate and si... | 08/31/2004 |
| 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 |
| 6723232 | Water purification apparatus A water purification apparatus for purifying water from a municipal water supply prior to a point of use has multiple water purification units including a carbon filter, a particle filter and an ultraviolet light source connected in series. The carbon filter removes... | 04/20/2004 |
| 6666968 | Fluid filtration apparatus An oil filter assembly has an outer canister in which full flow and bypass flow filtration sections are operatively housed in a nested relationship. Oil forced into the canister has imparted thereto a vortex flow pattern which forces contaminant particles... | 12/23/2003 |
| 6656355 | Apparatus for preparing dialysate solutions A cost effective apparatus for preparing dialysate solution which can finely adjust the concentration of dialysate solution is described. The apparatus comprises a chamber 2, the inside of which is divided into three compartments 21, 22, 23 by a movable p... | 12/02/2003 |
| 6616833 | Ship-board system for decontaminating wastewater contaminated by firefighting operations A water pollution remediation system includes a plurality of decontamination modules that are self supporting and interconnectable for sequentially removing a plurality of different contaminants. The modules are designed to be independently transportable ... | 09/09/2003 |
| 6596148 | Regeneration of plating baths and system therefore The present invention provides a system and method for selectively removing one or more organic and also preferably one or more inorganic contaminants from plating baths. More particularly, the invented method relates to the use of a source of energy in c... | 07/22/2003 |
| 6547962 | Stormwater treatment system An apparatus for separating floating and non-floating particulates from drain water wherein said apparatus includes a first chamber for collecting non-floating particulates, a second chamber for collecting floating particulates, and a third chamber throug... | 04/15/2003 |
| 6533941 | Flow through drain filter for a stormwater or wastewater catch basin A flow through drain filter for removing trash, sediment, liquid hydrocarbons, and metal ions comprised of at least four concentric screens having a deionizing filter material disposed between an exit screen and a second middle inner screen and hydrophobi... | 03/18/2003 |
| 6531062 | Wastewater treatment system for small flow applications The apparatus is a small flow wastewater treatment system. The system uses a recirculating packed media filter for the initial treatment of effluent from a device such as a septic tank. The incoming wastewater is furnished to the recirculating packed medi... | 03/11/2003 |
| 6503394 | Digester method and system for processing farm waste A digester method and system for processing farm waste is provided. Specifically, the present invention provides a small-scale digester that processes approximately 0.1% to 10% of a raw waste stream at a temperature of approximately 100° F. The remaining... | 01/07/2003 |
