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| Number | Title | Issue Date |
| 7413637 | Self-contained, self-powered electrolytic devices for improved performance in automatic dishwashing An automatic dishwashing appliance comprising an unattached electrolytic device which comprises an unattached electrochemical cell capable of generating electrolyzed water in the wash and/or rinse cycle, and more particularly to the unattached electrolytic device it... | 08/19/2008 |
| 7238278 | Apparatus for purifying water The invention relates to a method for purifying water by forming in an electrolytic cell molecular halogen, hypohalic acid, hypohalite ions or combinations thereof, from halide ions dissolved in the water; and dissolving one or more soluble metal salts in the water ... | 07/03/2007 |
| 7041203 | Apparatus and method for generating and using multi-direction DC and AC electrical currents Multi-directional currents are generated in a medium by cyclically reversing the direction of a conventional current applied to at least one of at least two electrodes so that an electromotive force (EMF) pulse travels from side of the electrode to the other, changi... | 05/09/2006 |
| 7033481 | Electroionic processing system The present invention provides an electroionic processing system having a high frequency alternating current (AC) power source for treating potable water, process water, wastewater, biosolids, sludge, primary effluent, secondary effluent, and other biochemical proce... | 04/25/2006 |
| 7001492 | Systems for electroplating metal onto a layer of low conductivity material A method of electroplating metal onto a low conductivity layer combines a potential or current reversal waveform with variation in the amplitude and duration of the applied potential or current pulse. The method includes, over time, varying the duration of the pulse... | 02/21/2006 |
| 6929740 | Water purification system A water purification apparatus used to prevent the formation of scale around electrodes which form part of the apparatus. The apparatus comprises at least one electrode containing a proportion of an ion-emitting electrode such as copper, silver or a copper and silve... | 08/16/2005 |
| 6921743 | Automatic dishwashing compositions containing a halogen dioxide salt and methods for use with electrochemical cells and/or electrolytic devices The present invention relates to automatic dishwashing detergent compositions and methods of using compositions comprising halogenated salts, phosphate and/or silicate in conjunction with electrolyzed water in automatic dishwashing appliances comprising an electroch... | 07/26/2005 |
| 6911128 | Device for decontamination of water The invention relates to a device for the decontamination of water, particularly of heavy metals and/or arsenic and/or their compounds, by means of electrolysis, wherein the water to be purified is fed through a receptacle and passes by electrodes of different polar... | 06/28/2005 |
| 6780306 | Electroionic water disinfection apparatus This invention relates to a method and apparatus for the disinfection of water and wastewater contaminated with bacteria and other microorganisms. The apparatus includes an electrolytic flow cell including electrodes forming a part of flow pipe or open channel throu... | 08/24/2004 |
| 6524450 | Production system of electrolyzed water In a production system of electrolyzed water A having an electrolyzer provided with electrodes 14, 15, each pair of inlet conduits 21, 22 and outlet conduits 31, 32, a pair of discharge conduits 41, 42 provided with faucets 43, 44; 45, 46 respectively, a ... | 02/25/2003 |
| 6391167 | Water chlorinator A water chlorinator comprises a housing having in-line inlet and outlet openings and a removable cover. The cover supports two electrode terminals which are spaced apart and have corresponding rods extending therefrom through concentric anode and cathode ... | 05/21/2002 |
| 6267885 | Liquid sterilization apparatus The invention provides a liquid purification apparatus (10) adapted to employ the combination of the purifying effects of the heavy metals copper and silver in conjunction with hydrogen peroxide and the catalytic reaction thereof. A body means (11, 12) de... | 07/31/2001 |
| 6251259 | Method and apparatus for producing electrolyzed water An electrolytic cell capable of controlling the pH and the ORP independently to each other, comprising an electrolytic chamber (113) to which subject water to be electrolyzed are supplied, membranes (115, 115) provided on the both side walls of the electr... | 06/26/2001 |
| 6241861 | Waste water treatment tank using an electrochemical treatment process A water treatment tank for treating waste water using an electrochemical treatment process. The electrochemical process removes both suspended and dissolved solids and allows the treated water to be decanted from the treatment for reuse or discharge. The ... | 06/05/2001 |
| 6231748 | Method of and arrangement for electrochemical machining A method of electrochemically machining an electrically conductive workpiece in an electrolyte by applying electrical pulses between the workpiece and an electrically conductive electrode, one or more machining pulses alternating with passivation voltage ... | 05/15/2001 |
| 6174419 | Electrolytic water producing apparatus In an electrolytic water producing apparatus, an anode and a cathode in an electrolytic cell are periodically switched to reduce degradation thereof. The concentration of hypochlorous acid formed in the strong acidic liquid is measured through a concentra... | 01/16/2001 |
| 6132587 | Uniform electroplating of wafers The non-uniformity of electroplating on wafers is due to the appreciable resistance of the thin seed layer and edge effects. Mathematical analysis of the current distribution during wafer electroplating reveals that the ratio between the resistance of the... | 10/17/2000 |
| 6126797 | Water purifying apparatus capable of effectively and reliably producing purified water with a small chlorine generator In an apparatus for purifying raw water to provide purified water, a cylindrical outer electrode (152) surrounds a cylindrical inner electrode (151) in a water tank (102), storing the raw water, with a predetermined gap left therebetween. It is assumed th... | 10/03/2000 |
| 6042701 | Solar-powered direct current electrodialysis reversal system An electrodialysis system for desalting water is powered from a direct current power source. The system includes solenoid activated reversing controls and incorporates features which enable the system to operate unattended for continuous (24 hours per day... | 03/28/2000 |
| 6022459 | Liquid purification apparatus The invention relates to a liquid purification apparatus (10) adapted to employ the purifying effects of the heavy metal silver under electrolysis. The apparatus (10) has a chamber (14) formed with spaced apart inlet and outlet openings (16,18) whereby li... | 02/08/2000 |
| 5958213 | Water treatment method and apparatus for water containing oil droplets A water treating apparatus for treating water, includes: an oil drop separator for separating oil drops from water to be treated which has an electrode in which an anode is made of amphoteric metal, a power source for supplying an electric power to the el... | 09/28/1999 |
| 5858201 | Strong acid sterilizing liquid containing hypochlorous acid at a low concentration, method and apparatus for generating same, and apparatus for generating and dispensing same A strong acid sterilizing liquid containing hypochlorous acid at a low concentration consists of electrolyzed salt water, wherein the pH of the liquid is 3 or less and the concentration of the hypochlorous acid is 0.2 ppm to 2 ppm.... | 01/12/1999 |
| 5853562 | Method and apparatus for electrolyzing water A method and an apparatus for electrolyzing water in which electrolysis of water can be carried out while effectively removing scales such as calcium carbonate and by which the service life of electrode can be extended on the order of several years. Repea... | 12/29/1998 |
| 5846390 | Non-membrane water electrolyzer An electrolyzer for producing alkaline and/or acidic water by way of electrolysis of water. The electrolyzer (36) comprises a pair of planar electrodes (98; 100; 102) which are arranged opposite to each other without intervening a membrane therebetween. T... | 12/08/1998 |
| 5843291 | Water electrolyzer An electrolyzer for producing alkaline and/or acidic water by way of electrolysis of water. In order to remove scale such as calcium carbonate deposited on the electrodes of the electrolytic cell (36) during electrolysis, the control unit (166) operates a... | 12/01/1998 |
| 5833835 | Method and apparatus for electrochemical machining by bipolar current pulses Method of electrochemically machining an electrically conductive workpiece (2) in an electrolyte by applying bipolar electric pulses between the workpiece (2) and an electrically conductive electrode (6), one or more current pulses of normal polarity alte... | 11/10/1998 |
| 5833842 | Apparatus for disinfecting water in hot water recirculation systems Apparatus for disinfecting water flowing through a water system including a water pipe includes a water bypass line having an inlet and outlet communicating with the water pipe. A wye connector is positioned in the water bypass line and includes a closed ... | 11/10/1998 |
| 5728274 | Production system of electrolyzed water A production system of electrolyzed ion water wherein acid ion water and alkaline ion water are produced by electrolysis of water or brine between a pair of electrodes in an electrolyzer and discharged through discharge conduits for use in appropriate man... | 03/17/1998 |
| 5711865 | Electrolytic gas producer method and apparatus Electrolytic gas producer apparatus is provided wherein a water inlet has a pressure sensor and solenoid valve control passes water through a filter by pump to a reservoir. Cell chambers maintain electrolyte by supply pump and solenoid valve delivering to... | 01/27/1998 |
| 5510009 | Electrolyzed water producing method and apparatus In a batch type electrolyzed water producing method, a first run of electrolysis is carried out, and electrolyzed water is discharged. Thereafter, before a next run of electrolysis is carried out, the polarity of a DC power source connected to the electro... | 04/23/1996 |
| 5417817 | Biomass gasification process and apparatus An apparatus for a gasification of a biomass liquid solution includes a reaction chamber having a biomass liquid solution therein. The biomass solution includes at least water and carbon. A pair of spaced apart carbon electrodes are immersed in the soluti... | 05/23/1995 |
| 5411653 | Separated electrode system in electrolytically setting or hardening reactive cement pastes A molding apparatus for hardening, finishing and shaping reactive cement te by utilizing electrolysis and electrophoresis. The molding apparatus confines a reactive paste in a porous mold, out of direct contact with electrodes. The electrodes are immerse... | 05/02/1995 |
| 5364512 | Electrochemical ionization apparatus system for purifying water Electrochemical ionization apparatus, system and method for purifying water by the generation of metallic ions, such as copper and silver, which apparatus comprises an ion-generation chamber apparatus composed of an insulating tubular housing, and outer a... | 11/15/1994 |
| 5271814 | Thin film electrocoagulation for removal for contaminants from liquid media A thin film electrocoagulation liquid treatment apparatus includes a nonconductive housing formed by opposite top and bottom walls, opposite side walls, and tubular end members with slots therethrough which define a treatment chamber. Pluralities of elong... | 12/21/1993 |
| 5256262 | System and method for electrolytic deburring An electrolytic deburring system and method employing a relatively weakly conducting electrolyte with the cathode immersed in the electrolyte in which an anodic potential is applied to the workpiece being deburred. A conductive element acting as a virtual... | 10/26/1993 |
| 5254226 | Electrolytic cell assembly and process for production of bromine An easily installed, automatically operated sanitizing direct current, electrolytic cell canister assembly and a method of efficiently providing brominated water for swimming pools and the like, the method including furnishing d.c. power at a constant amp... | 10/19/1993 |
| 5252192 | Electrolytic pump An apparatus and method for producing an adjustable constant flow of electrochemical fluid. The apparatus is designed for use in an in-tank electrochemical plating bath sensor. The apparatus and method utilize pumping electrodes placed within an electrode... | 10/12/1993 |
| 5112453 | Method and apparatus for producing etched plates for graphic printing There is provided an apparatus and a process for using same for etching a metallic object (22), suitably a plate to prepare a metallic printing plate. The object is partially covered by a resist surface (14) wherein the exposed portions (16) of said metal... | 05/12/1992 |
| 5102520 | Electrolytic etching process and apparatus There is provided an apparatus and a process for using same for etching a metallic object, suitably a plate to prepare a metallic printing plate. The object is partially covered by a resist surface wherein the exposed portions of said metal, will be expos... | 04/07/1992 |
| 5096549 | Dehumidifier and method of using A dehumidifier for removing moisture from a gas containing moisture comprises a first electrode which is in contact with a gas containing moisture on a first surface thereof and, when a positive voltage is applied thereto, which produces protons from said... | 03/17/1992 |
