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| Number | Title | Issue Date |
| 8043485 | Multi-pulse protocol for use with a dual voltage electrolysis apparatus An electrolysis system (100) and method of using same is provided. In addition to an electrolysis tank (101) and a membrane (105) separating the tank into two regions, the system includes at least one pair of low voltage electrodes (115/116 | 10/25/2011 |
| 7914650 | Air filtering apparatus In an air filtering apparatus in which power is supplied from a power supply to electrodes in an electrolytic bath to electrolyze water in the electrolytic bath and thus generate electrolytic water and the generated electrolytic water and air are supplied to a gas-l... | 03/29/2011 |
| 7727363 | Microfluidic device and methods for focusing fluid streams using electroosmotically induced pressures A microfabricated device employing a bridging membrane and methods for electrokinetic transport of a liquid phase biological or chemical material using the same are described. The bridging membrane is deployed in or adjacent to a microchannel and permits either elec... | 06/01/2010 |
| 7368042 | Electroplating apparatus including a real-time feedback system An electro-chemical plating system includes an upper rotor assembly for receiving and holding a wafer; an electroplating reactor vessel for containing plating solution in which the wafer is immersed; an anode array including a plurality of concentric anode segments ... | 05/06/2008 |
| 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 |
| 6956300 | Gimbal-mounted hydroelectric turbine A power plant extracts energy from a free flowing motive fluid by means of a turbine mounted on a gimbal. The shroud element of the fluid intake has external rudders, in conjunction with the gimbal mounting, enabling the enclosed turbine to instantaneously respond t... | 10/18/2005 |
| 6905580 | Water treating apparatus A water treating apparatus is provided which is capable of producing a hypochlorous acid-containing electrolytic water having a satisfactory sterilizing ability in a household. The water treating apparatus is an apparatus for producing hypochlorous acid in for-treat... | 06/14/2005 |
| 6843894 | Cathode current control system for a wafer electroplating apparatus A cathode current control system employing a current thief for use in electroplating a wafer is set forth. The current thief comprises a plurality of conductive segments disposed to substantially surround a peripheral region of the wafer. A first plurality of resist... | 01/18/2005 |
| 6808613 | Oxidizing electrolytic method for obtaining a ceramic coating at the surface of a metal Process for obtaining a ceramic coating on the surface of a metal having semiconducting properties, such as aluminium, titanium, magnesium, hafnium, zirconium and their alloys, by a physico-chemical transformation reaction of the treated metal. This process consists... | 10/26/2004 |
| 6797134 | Pulsed power supply for electrochemical cell A method and apparatus are provided for electrolyzing water for enhanced production of oxygen, hydrogen and heat by the steps of (i) providing an electrochemical cell comprising an isotopic hydrogen storage cathode, an electrically conductive anode and an ionically ... | 09/28/2004 |
| 6585868 | Reduced water producing apparatus This invention relates to a reduced water producing apparatus, which can mass-produce reduced water, wherein oxidation-reduction potential maintains for a long period successively, from not only industrial water, natural water but pure water speedily and ... | 07/01/2003 |
| 6409903 | Multi-step potentiostatic/galvanostatic plating control A method and apparatus are provided for the electroplating of a substrate such as a semiconductor wafer which provides a uniform electroplated surface and minimizes bum-through of a seed layer used on the substrate to initiate electroplating. The method a... | 06/25/2002 |
| 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 |
| 6228246 | Removal of metal skin from a copper-Invar-copper laminate A method of removing a metal skin from a through-hole surface of a copper-Invar-copper (CIC) laminate without causing differential etchback of the laminate. The metal skin includes debris deposited on the through-hole surface as the through hole is being ... | 05/08/2001 |
| 6197179 | Pulse-modulated DC electrochemical coating process and apparatus The present invention relates to a novel process for coating objects by means of direct current, in which process an adjustable DC voltage is pulse-modulated with an adjustable AC voltage. The process is useful for electrochemical coating of objects with ... | 03/06/2001 |
| 6179984 | Circuitry and method for an electroplating plant or etching plant pulse power supply The circuit arrangement and method for supplying pulsed current to electrolytic cells according to the invention are used in electroplating systems. To supply current to each electrolytic cell, there are provided two galvanic rectifiers 5, 32 and one chan... | 01/30/2001 |
| 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 |
| 6146515 | Power supply and method for producing non-periodic complex waveforms A power supply for producing complex non-periodic waveforms from a sum of periodic waveforms is disclosed. The power supply includes a controller which measures the output signal and compares it to the desired signal in order to produce an error signal. T... | 11/14/2000 |
| 6139717 | Process for treating water and apparatus therefor The invention provides a process and apparatus for treating water, which can be stably operated with high efficiency over a long period of time. The apparatus has a grounding electrode and a pair of applying electrodes connected to a DC voltage source thr... | 10/31/2000 |
| 5985108 | Controlling apparatus for continuous electrolytic ion water producing apparatus A controlling apparatus which can control a continuous electrolytic ion water producing apparatus so that an excess current when the electrolyzing strength is not adjusted appropriately can be prevented with certainty and harmless electrolytic ion water c... | 11/16/1999 |
| 5935392 | Electrodes for electrolytic removal of nitrates from water, methods of making same, and apparatus incorporating said electrodes A carbon fiber electrode is coated with a noble metal oxide to create a noble metal oxide electrode with a very large surface area. According to a presently preferred embodiment, the noble metal oxide is iridium oxide. A method of making the electrode inc... | 08/10/1999 |
| 5772859 | Device for treating wetting liquid in printing presses, particularly for offset printing presses A method and device for treating the wetting liquid used to wash ink bearing portions of printing presses, particularly offset printing presses. The wetting liquid is based on water and has preset levels of acidity in electrical conductivity. The wetting ... | 06/30/1998 |
| 5620582 | Energy-saving process for architectural anodizing A method for low-voltage architectural anodizing of aluminum and aluminum alloy articles by using a direct anodizing current ranging for different machines from 10 kA up to 50 kA and more, plus a superimposed alternating current of industrial frequency. T... | 04/15/1997 |
| 5558757 | Process for improving the coating of electrolytically treated work pieces, and arrngement for carrying out the process The invention starts with a process for improving the electrolytic coating of work pieces (3) that are arranged one after the other as a row at a distance from each other on cathode rails (1) or on cathode frames in a bath, whereby the cathode treatment c... | 09/24/1996 |
| 5468360 | Electrolytic chlorination An a.c. induction motor for use with a pump of a pool filtration system, the motor comprising a rotor and a stator, the stator (45) having at least two windings including a primary stator winding (46) and a secondary winding (50) magnetically coupled to t... | 11/21/1995 |
| 5435894 | Process and apparatus for improving quality of water The invention provides a process and apparatus for improving the quality of water in an easy manner and with reasonable cost and high efficiency. The process provides a grounding electrode and a pair of applying electrodes in water to be treated. First an... | 07/25/1995 |
| 5376242 | Method of cleaning water and apparatus therefor There are provided a method and apparatus for cleaning contaminated water, for instance in lakes, marshes, rivers and waste water reservoirs in factory site. A set of fiat electrodes is immersed in the water, which electrode set includes a pair of voltage... | 12/27/1994 |
| 5352346 | Current generation and control systems for electrolytic vat A current generation and control system for electrolytic processes in an electrolytic vat in which two autotransformers are provided each having a primary part coupled to a regulator for adjusting the number of coils and driven by control from a microproc... | 10/04/1994 |
| 5344539 | Electrochemical fine processing apparatus An electrochemical fine processing apparatus for electrochemically performing an adding processing and a removing processing of a substance such as a metal or a polymer in a solution in order to produce a structure having a high aspect ratio. Removing ele... | 09/06/1994 |
| 5271818 | Apparatus for roughening a substrate for photosensitive layers A mechanically roughened substrate is conveyed through an electrolytic bath and is given a superposed electrochemical roughening, which is carried out by means of electrodes which are arranged in the electrolytic bath at a specific spacing from the substr... | 12/21/1993 |
| 5228967 | Apparatus and method for electroplating wafers An apparatus and corresponding method for electroplating wafers includes supporting a plurality of wafers on a backing board in the electroplating tank such that one surface of each wafer is masked from the electrolytic reaction. A programmable controller... | 07/20/1993 |
| 5178742 | Method of and apparatus for forming a micromelt structure on an electrically-conductive probe tip A micromelt structure is provided on a probe tip by contacting the probe tip with a foil of the material from which the micromelt structure is to be formed and passing an electric current through the contact point to melt the foil and cause the molten foi... | 01/12/1993 |
| 5141602 | High-productivity method and apparatus for making customized interconnections An apparatus and method for plating metal on a conductor and/or across gaps on insulating substrates is described incorporating two probes, a probe positioner, first circuitry for applying alternating-current electrical power wherein the magnitude of the ... | 08/25/1992 |
| 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 |
| 5091152 | Apparatus for electrically destroying targeted organisms in fluids The invention pertains to a method and apparatus for destroying a predetermined living organism in fluid, whereby a predetermined current having a specific waveform and frequency is applied to the fluid in order to destroy the predetermined living organis... | 02/25/1992 |
| 5041198 | Method and an apparatus for the electrochemical roughening of a metallic surface In order to perform the electrochemical roughening of the surface of preferably strip-like metal substrate for the production of printing plates or the like so that the surface is free of smuts and stripes with an even distribution of the roughness, there... | 08/20/1991 |
| 5034110 | Pool chlorinators A self cleaning electrolytic chlorinator for swimming pools and water treatment plants comprises a low voltage D.C. power supply unit which cyclically reverses the polarity at the electrodes to shed accumulated deposits which plate out on the electrode su... | 07/23/1991 |
| 5013417 | Water purifier A water purifier including a floating body having two parallel disk shaped electrodes extending into the water. The polarity between the disks is alternated at predetermined intervals to avoid plating. The disks are preferably made of a copper/silver allo... | 05/07/1991 |
| 5007993 | Electrolytic processing apparatus and method with time multiplexed power supply Computerized apparatus for electrolytic processing of materials, includes an electrolytic processing bath, plural first electrodes, at least one second electrode, and a computerized power supply for supplying time multiplexed power to the electrodes. The ... | 04/16/1991 |
