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| Number | Title | Issue Date |
| 7537707 | Gas injector and method therefor A gas injector that is coupled to the pump strainer basket housing drain port of a pump-circulated system is disclosed. The gas injector that may be installed in a way that is less invasive than currently used gas injection systems to pre-existing plumbing of a pump... | 05/26/2009 |
| 7387736 | Pathogen reduction using chloramines A method and apparatus for implementing pathogen reduction within a poultry processing or food processing plant that uses water that has been treated with chloramines at an advantageous dosagebefore being introduced to the production process at processing steps. The... | 06/17/2008 |
| 7381334 | Method for inhibiting microbial growth in liquid nutrients A method for making a web having a metal-ion sequestering agent and treating a liquid using the web. The method of making the web includes electrostatically providing at least one metal-ion sequestering agent and/or antimicrobial agent. The web can be used to tread ... | 06/03/2008 |
| 7354511 | Hydraulic unit for industrial trucks A hydraulic unit for industrial trucks, comprising a motor pump unit which is directly attached to a tank, a reflux filter which has an elongate filter casing for a filtering element adapted to be introduced into the tank through an opening, a hose coupling, and an ... | 04/08/2008 |
| 7337791 | Rollover car wash for large vehicles A vehicle washer of the rollover type especially suitable for washing large vehicles such as buses and trucks. The washer includes an overhead carriage moving along an overhead guide rail structure and including opposed L-shaped spray arms adapted to wash top and si... | 03/04/2008 |
| 7323149 | Supplemental ozone treatment for ensuring the sterility of instrument cleaning systems Methods and apparatus utilizing supplemental ozone treatment for ensuring sterility of instrument cleaning systems. By flushing ozonated water through the components of a cleaning system, the persistent problem of contamination of cleaner chambers, pipes or lines, a... | 01/29/2008 |
| 7320758 | Method for control of microorganisms in metalworking fluid A method for disinfecting microorganisms in metalworking fluids without leaving behind unacceptable amount of chemicals in the treated fluids. The method comprises passing the fluid in a recirculating cooling system through a filter, which contains a demand disinfec... | 01/22/2008 |
| 7316778 | Staged oil filter incorporating pelletized basic conditioner An improved oil conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element having a reactive basic conditioner therein. The reactive basic conditioner is provided to counterac... | 01/08/2008 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7291264 | Staged oil filter incorporating additive-releasing particles An improved oil conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element containing a beneficial additive therein. The beneficial additive is provided to extend the useful l... | 11/06/2007 |
| 7276168 | Method for supply of constant-concentration ozonated water A method for the supply of a constant-concentration ozonated water, employs a unit for producing ozonated water and a system for using the ozonated water at a place separated therefrom, interposing an ozonated water circulating line between the ozonated water produc... | 10/02/2007 |
| 7258801 | System and method for reducing deionized water consumption A system and method are provided for reducing DI water consumption by delivering the DI water at an elevated processing temperature when demanded. The DI water is passed through a heater for heating the DI water to a processing temperature in a single pass. The DI w... | 08/21/2007 |
| 7258802 | Method for controlling bacterial growth in process water A system for reducing or preventing the growth of organisms in the process water used to coat glass fibers with a formaldehyde-free binder composition. One or more biocides is added to the process water that mitigates the growth of microbes in the water. The biocide... | 08/21/2007 |
| 7241391 | Biodegradable scale and corrosion inhibitor composition A biodegradable scale and corrosion inhibiting composition includes between about 50 and about 90% by weight of a protein polymer that is derived from a natural source, and between about 10 and about 20% by weight of the alkali salts of gluconic acid. ... | 07/10/2007 |
| 7235172 | Olefin production from steam cracking using process water as steam The invention includes a process for making olefins. In one embodiment, the process comprises producing steam from a process water comprising organic compounds, wherein the process water comprises at least a portion of a product water from a hydrocarbon synthesis pr... | 06/26/2007 |
| 7186345 | Systems for water purification through supercritical oxidation Supercritical water (SCW) systems and methods using the properties of supercritical water to allow a raw water stream including water and a contaminant to be purified. A supercritical water oxidation (SCWO), water purifier may generally include water and oxidizer (s... | 03/06/2007 |
| 7128767 | Method to upgrade low rank coal stocks The ash content of raw coals, lignite, and other carbonaceous materials is reduced by leaching the high-ash material with an aqueous acidic waste product produced by a Fischer-Tropsch reaction. The acidic aqueous waste is mixed with coal and process conditions are d... | 10/31/2006 |
| 7097771 | In-tank time release ion exchange resin containing a fuel additive The invention provides a device containing an ion-exchange resin to which is chemically bound a fuel additive material which will gradually be released from the resin into a fuel in which the device is placed. ... | 08/29/2006 |
| 7052611 | Device for solid phase extraction and method for purifying samples prior to analysis A solid phase extraction (SPE) device having a reservoir with an opening; a well comprising an internally tapered wall, the well having a wider interior diameter at an end closest to the opening than at an exit spout; a first filter within the well; a bed of sorbent... | 05/30/2006 |
| 7049615 | Portable ultraviolet water purifier A portable ultraviolet water purifier is disclosed which has an outer housing defining a water chamber with a coupling for attachment to a faucet an inlet and an outlet with an ultraviolet light source therein. ... | 05/23/2006 |
| 7022242 | Reduction of wastewater in phosphate manufacturing Use and reduction of wastewater or “pond water” created by the wet-process phosphoric acid manufacturing there is created a large amount of wastewater or “pond water” to substantially reduce or eliminate the discharge of pond water with contaminants to the e... | 04/04/2006 |
| 7000655 | Fluid additive delivery systems A fluid additive delivery system includes a container for a fluid additive gel. The container has one or more openings to allow contact of the fluid with the gel to cause one or more additive components in the gel to be released into the fluid. ... | 02/21/2006 |
| 7000409 | Use of flow through capacitor in the recovery and purification of water from exhaust gases of internal combustion engines A process for recovering potable water from the exhaust gases of an internal combustion engine is disclosed. In this process the exhaust gases are cooled causing water to condense out, and the water formed is passed through particulate filters, activated carbon filt... | 02/21/2006 |
| 6942779 | Method and system for regenerating of plating baths The present invention provides a system and method for selectively removing one or more organic and inorganic 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 i... | 09/13/2005 |
| 6942808 | Oxidative evaporation process and apparatus The present invention is an oxidative reaction that converts organic content in the wastewater into harmless CO2 and H2O. The heat produced by the oxidative reaction evaporates the water, thereby concentrating the remaining solids in solution. The final product from... | 09/13/2005 |
| 6936741 | Process for working up the waste water obtained in the preparation of dinitrotoluene The present invention relates to a process for working up or treating aqueous waste waters which are formed during the nitration of toluene to dinitrotoluene with nitrating acid. These aqueous waste waters containing acidic wash water and alkaline wash water from th... | 08/30/2005 |
| 6932912 | Wastewater treatment system for residential septic systems A liquid chlorine supply canister is connected by a supply tube and venturi chamber to a recirculating pipe that discharges into a storage-mixing tank into which sewage effluent is received from a source. The supply tube is provided with a filter/orifice assembly. A... | 08/23/2005 |
| 6919023 | Acid neutralizing filter canister An acid neutralizing filter construction is provided that may be used as a bypass type filter. The filter includes a canister having an open end. An end plate is secured to the canister at the open end and includes an inlet port and an outlet port to provide for flu... | 07/19/2005 |
| 6866788 | Method and device for purifying aqueous effluents by catalytic oxidation The invention concerns a method for purifying aqueous effluents, in particular polluted water, by catalytic oxidation using a three-phase reactor comprising two communicating chambers. The invention is characterised in that it consists in: maintaining the catalyst s... | 03/15/2005 |
| 6863830 | Dual layer tablet, method of making and use thereof A method for treating a recirculating water system which comprises introducing into said water system a multifunctional, multilayer tablet, wherein the multilayer tablet comprises a fast dissolving layer and a slow dissolving layer, wherein said fast dissolving laye... | 03/08/2005 |
| 6800205 | Method and means for ozonation of pools and spas The method of controlling ozone supply to a pool or spa body of liquid, that includes providing an ozone generator; providing a control valve operatively connected to the generator to control induced flow of ozone to a pool or spa body of liquid, the valve being sol... | 10/05/2004 |
| 6770207 | Method for the leaching of solid matter from sludge The invention relates to a method for the leaching of solid matter from a sludge with the aid of a gas containing oxygen, whereby the solid matter of the sludge is recirculated in a tall reactor equipped with a central pipe in the centre of the reactor and a double-... | 08/03/2004 |
| 6746609 | Cooling tower water treatment A process for treating cooling tower water in a system which includes a recirculated evaporative cooling water stream and a source of make-up water. A side stream is taken off of the source of make-up water and the side stream is directed to either a strong acid cat... | 06/08/2004 |
| 6673251 | Water treatment method A method of handling grey water and optionally at least a portion of the black water for disposal from vehicles such as boats, recreational vehicles or rural dwellings such as cottages, camps and the like, not having direct access to sewer systems, involv... | 01/06/2004 |
| 6638434 | Method for automatically controlling the level of dissolved oxygen in water based on a pressure tank system equipped with sterilizer A method for automatically controlling the level of dissolved oxygen in water, including the stops of mixing air or oxygen and nitrogen gas so as to be dissolved in retained water in a closed tank. The retained water is circulated by a pressure pump, acti... | 10/28/2003 |
| 6630073 | Sonic contaminated resource treatment method and apparatus An apparatus and water treatment method uses Sonically Induced Dissociative Reactions (SIDR) and Multi-bubble Sonoluminescence (MBSL) to facilitate Sonically Bounds State Oxidation (SBSO) within a SIDR chamber. Included within the SIDR chamber is counter-... | 10/07/2003 |
| 6596160 | Periodic ozone treatment system for a showering tower type water cooling system A periodic ozone treatment system for a showering tower type water cooling system worked once daily for a period of 10~30 minutes essentially comprises: an ozone dissolving tank to prepare high density ozone solution therein and periodically fed to the co... | 07/22/2003 |
| 6589431 | Method for giving a fluid coolant a biocidal property In a method for giving a biocidal property to a coolant in a fluid cooling circulation, the fluid cooling circulation has at least one device that exhibits at least one metal oxide that is in contact with the coolant, the coolant has a substance added to ... | 07/08/2003 |
| 6585898 | Method and apparatus for preparation and use of ozone water A system for production of water having dissolved ozone includes a water feeding section, a container part, an ozone feeding part for feeding ozone to a mixing part dissolving ozone in the water, the mixing part drawing water from the lower part of the co... | 07/01/2003 |
| 6585899 | Mobile waste treatment system Disclosed are waste processing systems capable of being used on-board a transport such as a train, bus, airplane, boat, or other similar vehicles. The liquid waste is evaporated and condensed primarily as water vapor. The resulting liquid may be safely di... | 07/01/2003 |
