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| Number | Title | Issue Date |
| 7998352 | Method and device for cleanup and deposit removal from internal hot water system surfaces Disclosed is a method of inhibiting and/or removing deposits from internal surfaces in a hot water system. The method includes controlling a real-time oxidation-reduction potential in a hot water system to alter the dynamic between deposit constituents and the bulk ... | 08/16/2011 |
| 7964103 | Computer-implemented method of monitoring the performance of a reverse osmosis membrane in a drinking water supply system A water treatment system is provided having an encapsulate manifold with a reverse osmosis cartridge and one or more filter cartridges. The filter cartridge includes a detent for being received within a slot in the manifold head for secure locking engagement. The wa... | 06/21/2011 |
| 7951298 | Method and device for preventing corrosion in hot water systems undergoing intermittent operations Disclosed is a method of controlling a real-time oxidation-reduction potential in a hot water system undergoing a wet layup sequence to inhibit corrosion in the hot water system. The method includes separating the wet layup sequence into a plurality of phases. Each ... | 05/31/2011 |
| 7867401 | Water treatment control systems and methods of use The control systems and technique can regulate or control operations of a water treatment system in a primary control mode and, when appropriate, in a secondary or an alternate control mode. The primary control can represent a normal control mode during which the wa... | 01/11/2011 |
| 7815809 | Method for conductivity calculation in a treatment fluid upstream and downstream a filtration unit in apparatuses for the blood treatment A method for conductivity calculation in a treatment fluid downstream a filtration unit in a blood treatment apparatus is provided. The conductivity calculation is then used for clearance and fistula flow determination. A flow of treatment fluid is created in the fi... | 10/19/2010 |
| 7736522 | Dual generator single power source for tandem pool and spa A sanitizer generation system supplies power to a first and a second sanitizer generator. Each of the sanitizer generators is connected to a body of water by a circulation system. The system includes a power supply and a control system connected to the power supply ... | 06/15/2010 |
| 7686962 | Process control oxidation The present disclosure provides for a system and method that intensely oxidizes water as it navigates through a system and accurately, controllably neutralizes the oxidation by-products before the water exits the system. ... | 03/30/2010 |
| 7678282 | Method of determination of the conditions of exhaustion of a filtering cartridge for filtering carafes with replaceable cartridge and carafe operating in compliance with such method A method of determination of the conditions of exhaustion of a filtering cartridge for filtering carafes with replaceable cartridges is described, in which an initial identification of impedance of the water to be filtered is provided for in order to consequently ca... | 03/16/2010 |
| 7666312 | Method of inhibiting corrosion in industrial hot water systems by monitoring and controlling oxidant/reductant feed through a nonlinear control algorithm This invention provides a method of preventing corrosion in industrial water systems. The method includes maintaining a real-time oxidation-reduction potential at a set point, wherein the system is at operating temperature and pressure. A nonlinear equation is deriv... | 02/23/2010 |
| 7514008 | Process control oxidation The present disclosure provides for a system and method that intensely oxidizes water as it navigates through a system and accurately, controllably neutralizes the oxidation by-products before the water exits the system. ... | 04/07/2009 |
| 7435235 | Blood treatment equipment, method, and software program for controlling infusion in blood treatment equipment A method and blood treatment equipment for controlling infusion are described. The equipment comprising: an extracorporeal blood circuit, a pre-infusion line connected to the blood circuit upstream a blood treatment unit, a post-infusion line connected to the blood ... | 10/14/2008 |
| 7431840 | Denitrification process A process and system for denitrification of wastewater. The process includes the steps of measuring an influent flow rate, measuring influent concentrations of nitrates, nitrites, and dissolved oxygen in the wastewater, and using the influent concentrations to deter... | 10/07/2008 |
| 7402252 | Automated electrolyte addition for salt water pools, spas, and water features An automated system of the present invention adds electrolyte into a pool. The automated system includes a sanitizer generator, a circulation system, and an electrolytic solution delivery system. The circulation system, which includes the sanitizer generator, has a ... | 07/22/2008 |
| 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 |
| 7329997 | System including an electronic ballast for use with a spa A starting circuit for an electric discharge lamp providing an electric current to a lamp having a first and a second filament. The circuit measures a lamp current and a filament temperature and then compares these against a reference voltage. When the lamp current ... | 02/12/2008 |
| 7314546 | Disinfectant system and method for the chemical treatment of wastewater A system for the chemical treatment of wastewater may be discharged in a night spray system, an on demand system or a dosing system. Tank 12 receives wastewater, and a discharge pump 16 pumps wastewater from the tank in the night spray system. A sensor... | 01/01/2008 |
| 7294277 | Method of determination of the conditions of exhaustion of a filtering cartridge for filtering carafes with replaceable cartridge and carafe operating in compliance with such method A method of determination of the conditions of exhaustion of a filtering cartridge for filtering carafes with replaceable cartridges is described, in which an initial identification of impedance of the water to be filtered is provided for in order to consequently ca... | 11/13/2007 |
| 7273562 | Ozone injection method and system A target biokill of species for water to be discharged from a ballast tank of a sea faring vessel is determined. A diverted portion of sea water is regulated prior to charging the water into the ballast tank. Regulation of the diverted portion of water and a rate of... | 09/25/2007 |
| 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 |
| 7253332 | Method for treating cyanide waste liquid A highly reliable detoxifying method of the cyano matters is provided. The waste-liquor, which contains at least one of free cyano material, a cyano complex and a reducing compound exhibiting volatility in alkaline aqueous solution, is heated under an alkaline condi... | 08/07/2007 |
| 7244365 | Process for safely decontaminating the chill water used in meat processing This invention relates to a process for safely decontaminating the chill water used in meat processing. The decontaminant used in the process is chlorine dioxide. ... | 07/17/2007 |
| 7241390 | Method and system for biologic decontamination of a vessel's ballast water A system for elimination of unwanted species from contaminated ship ballast water. The apparatus comprises an electrolytic cell containing at least one pair of electrodes, electric alternating current, and parallel perforated electrodes, for providing an effective a... | 07/10/2007 |
| 7238287 | Method for providing safe, clean chlorinated recreational water A solid formulation for use with sodium chloride and a chlorine generator to provide safe, clean chlorinated recreational water. The formulation comprises a chlorine stabilizing agent and a phosphate remover agent. An enhanced salt comprising a chlorine stabilizing ... | 07/03/2007 |
| 7235169 | Method and apparatus for purging and disinfecting water An alkaline electrolyte solution is electrolyzed by a diaphragm-less electrolyzer to provide electrolytic water as purging and disinfecting water. The alkaline electrolyte solution is a mixture of at least one alkaline electrolyte selected from caustic sodium carbon... | 06/26/2007 |
| 7210182 | System and method for solvent recovery and purification in a low water or waterless wash Method and apparatus for recovering and purifying a solvent used in an article cleaning appliance are provided. The method allows passing solvent-based cleaning fluid from a wash basket through a coarse filter configured to remove relatively large particulates from ... | 05/01/2007 |
| 7208080 | Low cost oil/grease separator A container for receiving and holding effluent water containing oil/grease to be removed has sectional covers. A main sectional cover supports a partially immersed rotatable disk; a drive on the main sectional cover rotates the disk; a trough on the main sectional c... | 04/24/2007 |
| 7208117 | Automated process for inhibiting corrosion in an inactive boiler containing an aqueous system This invention relates to an automated process to inhibit corrosion of the metal surface of an inactive boiler containing water. ... | 04/24/2007 |
| 7179383 | Method and apparatus for magnetoresistive monitoring of analytes in flow streams Method and apparatus for manipulating and monitoring analyte flowing in fluid streams. A giant magnetoresistive sensor has an array of sensing elements that produce electrical output signals which vary in dependence on changes in the magnetic field proximate the sen... | 02/20/2007 |
| 7169614 | Electrochemical detection method of complementarity to nucleic acid bases A convenient and commonly applicable method for the specific detection of a nucleic acid with an arbitrary sequence is provide. This method comprises attaching at least a nucleic acid single strand to an electrode, bringing the thus-obtained modified electrode in co... | 01/30/2007 |
| 7157008 | Apparatus and process for water conditioning A conditioning process and equipment are provided for removing hardness from water circulated in a system, such as an evaporative cooling system. A sidestream from such system is routed to a reaction chamber and back to the system. A conditioner is added to the side... | 01/02/2007 |
| 7156873 | Methods for detecting an abnormal condition of a blood pump system The present invention provides methods for detecting an abnormal condition of a blood pump system based on the power consumption of the pump actuator. By plotting differentiated power consumption of the pump actuator over time against the power consumption, a plot p... | 01/02/2007 |
| 7141175 | Oxidation reduction potential (ORP) based wastewater treatment process A method of treating wastewater is described in which an oxidation reduction potential (ORP) of a wastewater stream over time at a plurality of processing stages using a plurality of ORP sensors is used. The wastewater is modified based on the sensed ORP so as to ra... | 11/28/2006 |
| 7138088 | Access disconnection system and methods Apparatuses, devices, systems and methods for detecting access disconnection are provided. The present invention includes electrical contacts in fluid and electrical communication with a fluid passing between a patient and a medical system during therapy. In this re... | 11/21/2006 |
| 7137620 | Diffuser and an aeration apparatus equipped with such a diffuser A diffuser (10) having a body (12) with a blind bore (18) having a closed impaction end (22). Fluids are diffused radially from the body (12) through slots (26). The diffuser (10) is characterized by a central slot ( | 11/21/2006 |
| 7119451 | Self-powered miniature liquid treatment system with ultraviolet dosing A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator. A flow of liquid may be filtered with the filter and used to rotate the hydro-generator to generate electric power. The ultraviolet light source ... | 10/10/2006 |
| 7115107 | Blood circuit for a dialysis machine and corresponding dialysis machine A blood circuit (1) for a dialysis machine is made form plastic material and is provided with a metallic plate (30), which is applied to an external face of the blood circuit (1) and is connectable to a voltage generator (34) in such a wa... | 10/03/2006 |
| 7105095 | Method and apparatus for controlling concentration of water treatment chemicals A water-soluble lithium salt is added as a tracer substance along with a water treatment chemical to water to be treated. The concentration of lithium ions is electrochemically or optically measured using a lithium ion sensitive substance, so as to perform concentra... | 09/12/2006 |
| 7077819 | Method for determining the distribution volume of a blood component during an extracorporeal blood treatment and device for carrying out the method The invention relates to a method for determining the volume of distribution of a blood component in the body of a living organism, especially the volume of distribution of urea, during an extracorporeal blood treatment. According to this method, the blood to be tre... | 07/18/2006 |
| 7067061 | Method and a device for preparing a medical liquid A method for preparing a medical liquid from a liquid, such as water, and two concentrated solutions comprises the following steps: circulating the liquid in a conduit (15), at a flowrate Q0; injecti... | 06/27/2006 |
| 7067936 | Self-powered miniature liquid treatment system with multiple liquid flow paths A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator in a first flow path. The first flow path may provide treated liquid at a first outlet of the liquid treatment system. A second flow path included... | 06/27/2006 |
