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| Number | Title | Issue Date |
| 7427345 | Method and device for regenerating ion exchanger, and electrolytic processing apparatus A method and device for regenerating an ion exchanger can regenerate an ion exchanger easily and quickly, and can minimize a load upon cleaning of the regenerated ion exchanger and disposal of waste liquid. A method for regenerating a contaminated ion exchanger incl... | 09/23/2008 |
| 7381313 | Integrated hydrogen production and processing system and method of operation A method of operating an integrated hydrogen production and processing system is provided. The method includes operating an electrolyzer to produce hydrogen from water and utilizing heat generated from the electrolyzer to increase a temperature of an electrolyte in ... | 06/03/2008 |
| 7329343 | Water treatment bypass loops having ozone and chlorine generators Water treatment bypass loops combining ozone and chlorine injection, and an adaptable clamp apparatus to support efficient retrofit installation of forward bypass loops (around filters) or reverse bypass loops (around pumps) and associated equipment are disclosed. C... | 02/12/2008 |
| 7273044 | Hydrogen fuel system for an internal combustion engine A hydrogen fuel system for an internal combustion engine includes an electrolyzer for generating hydrogen and oxygen gases. The engine exhaust may be recycled through the electrolyer where it is converted to hydrogen and oxygen. A water reservoir in fluid communicat... | 09/25/2007 |
| 6929723 | Electroplating apparatus using a non-dissolvable anode and ultrasonic energy An apparatus for electroplating a rotogravure cylinder out of a plating solution is disclosed. The apparatus includes a plating tank adapted to support the cylinder and to contain a plating solution so that the cylinder is at least partially disposed into the platin... | 08/16/2005 |
| 6893551 | Process for forming coatings on metallic bodies and an apparatus for carrying out the process A process for forming oxide based dense ceramic composite coatings on reactive metal and allow bodies involves suspension of at least two reactive metal or alloy bodies in a non-metallic, non-conducting, non-reactive chamber in such a way that it causes either parti... | 05/17/2005 |
| 6884332 | Method and apparatus for treating an aqueous electroplating bath solution A method and apparatus for treating an aqueous electroplating bath solution. The method comprises continuously agitating the solution; adjusting the pH of the solution, adjusting the temperature of the solution while adding an amount of hydrogen peroxide sufficient ... | 04/26/2005 |
| 6875322 | Electrochemical assisted CMP A method for material removal and planarization of a substrate includes formation of a weak passivating film on overburden to be removed in the presence of an electrolyte bath and an applied electric potential. An engineered polishing substrate is brought into compl... | 04/05/2005 |
| 6740436 | Hydrogen/oxygen generating system with temperature control A mixed hydrogen-oxygen fuel generator system uses an electrolytic solution to generate gaseous hydrogen-oxygen fuel through the electrolysis of water. This generator system includes: at least one electrolytic cell with multiple metallic plates used as an internal i... | 05/25/2004 |
| 6689271 | Process and apparatus for electrocoagulative treatment of industrial waste water An electrocoagulation system for removing contaminants from waste effluents comprising an electrocoagulation reactor having charged and uncharged plates and allowing serial flow of water therethrough. The reactor is connected to a voltage source to charge... | 02/10/2004 |
| 6630061 | Apparatus for generating a mixture gas of oxygen and hydrogen An apparatus for generating a mixture of oxygen gas and hydrogen gas is provided with an electrolytic cell in which electrolysis of electrolyte therein is performed to generate the mixture of the oxygen and the hydrogen gas by electricity being applied fr... | 10/07/2003 |
| 6602396 | Electrolytic machining method and apparatus An anode as a workpiece, and a cathode opposed to the anode with a predetermined spacing are placed in ultrapure water. A catalytic material promoting dissociation of the ultrapure water and having water permeability is disposed between the workpiece and ... | 08/05/2003 |
| 6599415 | Apparatus and method for electropolishing surfaces A method and apparatus for electropolishing a workpiece without immersing the workpiece in a bath of electrolytic solution. The workpiece is held in an atmospheric environment, while electrolytic solution is discharged from a reservoir in the form of a pl... | 07/29/2003 |
| 6585875 | Process and apparatus for cleaning and/or coating metal surfaces using electro-plasma technology A process for cleaning an electrically conducting surface (3) by arranging for the surface to form the cathode of an electrolytic cell in which the anode (1) is maintained at a DC voltage in excess of 30V and an electrical arc discharge (electro-plasma) i... | 07/01/2003 |
| 6547936 | Electroplating apparatus having a non-dissolvable anode An apparatus for electroplating and deplating an object out of a plating solution is disclosed. The apparatus includes a plating tank adapted to support the object and to contain a plating solution so that the object is at least partially disposed into th... | 04/15/2003 |
| 6428683 | Feedback controlled airfoil stripping system with integrated water management and acid recycling system The present invention relates to a feedback controlled stripping system with integrated water management and acid recycling system. The system comprises a stripping tank containing an electrolyte bath stripping solution for removing a coating from at leas... | 08/06/2002 |
| 6402908 | Pipe electropolishing apparatus using an electrolyte heater and cooler A temperature handling subsystem (12) for a pipe electrochemical polishing system (10) has a chiller (46) and associated heat exchanger (44) for cooling the acid electrolyte (24) circulating through a pipe (28) while a cathode (14) is drawn therethrough f... | 06/11/2002 |
| 6395152 | Methods and apparatus for electropolishing metal interconnections on semiconductor devices An electropolishing apparatus for polishing a metal layer formed on a wafer (31) includes an electrolyte (34), a polishing receptacle (100), a wafer chuck (29), a fluid inlet (5, 7, 9), and at least one cathode (1, 2, 3). The wafer chuck (29) holds and po... | 05/28/2002 |
| 6383347 | Electrochemical cell utilizing rigid support members The present invention relates to electrochemical cells and electrochemical systems using a one piece or unitary electrode plate hereinafter also referred to as a double electrode plate (DEP) which serves to electrically connect two adjacent cell compartme... | 05/07/2002 |
| 6322675 | Copper removal system for absorption cooling unit An on line copper removal system for use in an absorption cooling unit which includes an evaporator, an absorber, a generator and a condenser which are interconnected to provide an absorption cycle in which a lithium bromide solution which contains a dele... | 11/27/2001 |
| 6258221 | Flame adjusting device for oxygen and hydrogen generator A flame adjusting device includes a tank for receiving a fluid and includes an upper portion and a lower portion coupled to a coupler with hoses. The coupler is coupled to a gas generator. A control device is disposed between the coupler and an upper hose... | 07/10/2001 |
| 6224736 | Apparatus and method for forming thin film of zinc oxide The present invention provides an apparatus or a method for forming a thin zinc oxide film on a conductive base member by immersing the conductive base member and a counter electrode in an aqueous solution and supplying a current between the conductive ba... | 05/01/2001 |
| 6200452 | Method and apparatus for the continuous chromium-plating of elongated members A method and an apparatus for the continuous chromium-plating of elongated members such as bars and the like: the bar to be plated is fed and rotated through at least one tubular shaped chromium-plating anode into which an electrolytic solution suitable f... | 03/13/2001 |
| 6149781 | Method and apparatus for electrochemical processing A continuous strip is electrochemically processed in an electrolytic processing bath using either a thin flexible or resilient dielectric wiping blade or an open web, plastic mesh to wipe bubbles of gas from the surface, sever dendritic material, if such ... | 11/21/2000 |
| 6080288 | System for forming nickel stampers utilized in optical disc production A system and method for electro-forming a metal layer on a substrate. The system has a rotary jet planarizer in an electro-forming or galvanic cell. The cell includes a toroidally-shaped manifold with two inlets and an outlet. Each of the inlets is couple... | 06/27/2000 |
| 6068741 | Oxygen and hydrogen generator A gas generator includes a housing for receiving an electrolyte and has an outlet duct for collecting the gas. A number of cells are disposed in the housing for forming a number of spaces between the cells. A tube and a pipe are coupled together by a cond... | 05/30/2000 |
| 5980726 | Hydrogen electrochemical system environment The present invention relates to a unique, compact hydrogen electrochemical system which eliminates the need for explosion-proof equipment. This system merely separates the electrical equipment from the hydrogen source with a wall, but employs a positive ... | 11/09/1999 |
| 5976346 | Membrane hydration in electrochemical conversion of anhydrous hydrogen halide to halogen gas The present invention relates to an electrochemical cell, system and process for converting essentially anhydrous hydrogen halide to essentially dry halogen gas. The process of the present invention is useful for converting anhydrous hydrogen halide, in p... | 11/02/1999 |
| 5690797 | Hydrogen and oxygen gas generating system A hydrogen/oxygen gas generating system includes a deionized water container and a cell for water electrolysis having anode and cathode compartments, the cell being submerged in deionized water in the container. Oxygen gas generated in the anode compartme... | 11/25/1997 |
| 5676816 | Catalytic particles electrolytic cell system and method for producing heat Catalytic particles, electrolytic cell and system for producing heat in a water-based liquid electrolyte. The catalytic particles are formed of clay doped with an active gent capable of becoming a proton carrier in the presence of hydrogen or an isotope o... | 10/14/1997 |
| 5628886 | Electrolytic system for heating a liquid electrolyte An electrolytic system for heating water containing a conductive salt in solution. An electrolytic cell in the system includes a non-conductive housing having an inlet and an outlet and spaced apart first and second conductive foraminous grids positioned ... | 05/13/1997 |
| 5628885 | Extraction installation for hydrogen and oxygen This electrolytic apparatus for a welding machine uses an electrolytic cell, a mixing tank and a multi-control switch. The electrolytic cell is composed of several pieces of electrode plates which are assembled in a row, the farthest side of which is conn... | 05/13/1997 |
| 5614068 | Water purifier A water purifier removes harmful materials from tap water by electrochemical oxidation-reduction and distillation without using any filters. The water purifier has an electrochemical oxidation-reduction unit which removes heavy metals and organic material... | 03/25/1997 |
| 5549798 | Wet processing apparatus having individual reactivating feedback paths for anode and cathode water In a wet processing apparatus, an electrolytic cell, a first storing cell for storing anode active water of the electrolytic cell, a first processing cell for processing a target with the anode active water of the first storing cell, a second storing cell... | 08/27/1996 |
| 5514258 | Substrate plating device having laminar flow The present invention provides an apparatus for electrodepositing metals onto a substrate or the like which creates a uniform laminar flow of the electroplating solution across the surface of the substrate. Specifically, the plating bath according to this... | 05/07/1996 |
| 5496457 | Compact plating console An electroplating console for small production runs having the plating capability of four or less finishes. The console has a compact design occupying no more than 22 square feet and comprises closed loop water purification that eliminates the need for se... | 03/05/1996 |
| 5411652 | Optimum conversion chamber An electrochemical processor having a first frustoconical chamber for receiving a workpiece to be processed. A plurality of sources of process fluids are connected to the frustoconical chamber for sequentially cleaning, providing an electrolyte and sealin... | 05/02/1995 |
| 5344491 | Apparatus for metal plating Plating cups 2 each hold therein respective semiconductor substrates to be plated. The temperatures of the plating solution in the plating cups are controlled at optimum levels by controlling the operations of heaters 13 and 16, based on the temperature o... | 09/06/1994 |
| 5328584 | Passive circulation in electrolytic fluid treatment systems A fluid system (10) is disclosed including a filter system (16) for the moving contaminants from fluid provided by a fluid source (12) to a supplied environment (14). The filter system includes an electrolytic or electrostatic cell (26) which is operated ... | 07/12/1994 |
| 5198083 | Electrochemical cell and method of treating waste material therewith An electrochemical cell (60) and method for treating waste having an anode in the form of a number of elements comprising spheres (80) which locate between plates (78, 81). The spheres (80) divide the anode compartment (64) into parts (110, 111). The poro... | 03/30/1993 |
