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| Number | Title | Issue Date |
| 7429314 | Device for controlling the travel distance of a chisel in a feeding system for an aluminium production electrolytic cell Device for equipment of a cell (1) comprising an electrolytic bath (4) covered with a crust (5), with a chisel (13) that can be moved vertically between a high position in which it is above the crust (5) and a low position in which... | 09/30/2008 |
| 7322065 | Washing machine and method of controlling the same A disinfecting washing machine includes a disinfecting liquid dispenser, a drive unit and a control unit. The disinfecting liquid dispenser supplies a disinfecting liquid to disinfect laundry. The drive unit outputs first and second voltages to determine a concentra... | 01/29/2008 |
| 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 |
| 6994777 | Chemical sensors utilizing conducting polymer compositions A chemical sensor for detecting the presence of one or more analytes. The sensor comprises at least one electrode pair and a photopolymerized electrically conducting polymer composition disposed in contact between each of the electrode pairs. Each polymer compositio... | 02/07/2006 |
| 6984295 | Electrolytic cell for ozone generation An electrolytic process of ozone generation using platinum-coated titanium grid as cathode, β-PbO2 deposited on the grid as anode, and batteries in conjunction with supercapacitors as a DC power source is described. No membrane is required to separate th... | 01/10/2006 |
| 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 |
| 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 |
| 6689259 | Mixed gas generator The present invention is a device, which generates a hydrogen and oxygen gas, preferably used for welding. The hydrogen and oxygen gas is generated by an electrolyzing process. Electrolyte is pumped into the hydrogen-oxygen generator where the gas is sepa... | 02/10/2004 |
| 6666960 | Electroplating current supply system An electroplating current supply system includes a power supply unit for supplying an object to be plated (4) with an electroplating current whose polarity is inverted at predetermined intervals. The power supply unit includes a first DC power supply (3A)... | 12/23/2003 |
| 6632334 | Distributed power supplies for microelectronic workpiece processing tools An apparatus and method for processing microelectronic workpieces. The apparatus can include a housing at least partially enclosing a process environment, with a first processing chamber and a second processing chamber positioned within the housing. The f... | 10/14/2003 |
| 6627051 | 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 pluralit... | 09/30/2003 |
| 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 |
| 6589403 | Electrolysis gas converter and electric device using same There is provided an electrolysis gas converter, which prevents excessive gas generation and can maintain a constant amount of gas conversion even if outside air conditions such as humidity changes. The converter, which provides DC current to a jointed el... | 07/08/2003 |
| 6500317 | Plating apparatus for detecting the conductivity between plating contacts on a substrate The present invention provides a conductivity sensing device capable of detecting the conductivity (contact state) of the plurality of feeder contacts contacting the conductive area of the substrate, and a plating apparatus capable of forming a plating fi... | 12/31/2002 |
| 6432282 | Method and apparatus for supplying electricity uniformly to a workpiece The present invention relates to a device that supplies electricity to a substrate. In one embodiment, the device includes multiple contacts, a current sensor, and a current regulator. The current sensor is attached to each of the plurality of contacts to... | 08/13/2002 |
| 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 |
| 6224721 | Electroplating apparatus An electroplating apparatus including an elongated, hollow conductive anode tube having first and second ends, an inner conductive surface, and an outer conductive surface from which sacrificial plating metal may be suspended. An elongated cathode conduct... | 05/01/2001 |
| 6168692 | Apparatus for generating alkali ion water An apparatus for generating alkali ion water includes an electrolytic cell. At least two electrodes are disposed in the electrolytic cell. A diaphragm disposed in the electrolytic cell extends between the electrodes. A dc voltage is supplied to the electr... | 01/02/2001 |
| 6132584 | Process and circuitry for generating current pulses for electrolytic metal deposition The invention relates to a method of generating short, cyclically repeating, unipolar or bipolar pulse currents IG, IE for electroplating, and to a circuit arrangement for electroplating with which pulse currents IG, I | 10/17/2000 |
| 6126794 | Apparatus for producing orthohydrogen and/or parahydrogen An apparatus for producing orthohydrogen and/or parahydrogen. The apparatus includes a container holding water and at least one pair of closely-spaced electrodes arranged within the container and submerged in the water. A first power supply provides a par... | 10/03/2000 |
| 6030586 | Ozone generating and ozone/water mixing apparatus An ozone generating and ozone/water mixing apparatus includes an ozonizer controlled to convert oxygen into ozone, and an ozone/water mixer connected to the spout of a water tap and an ozone outlet of the ozonizer to receive ozone from the ozonizer and wa... | 02/29/2000 |
| 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 |
| 5207883 | Jumper switch means An electric jumper switch means for electric current bypass of at least one electrolyzer consisting of individual electrolysis cells, out of a plurality of monopolar electrolyzers connected in series to an electrical power source characterized in that sai... | 05/04/1993 |
| 5071532 | Device for electrical treatment of high conductivity liquid electrolytes Device for the electrical treatment of high conductivity liquid electrolytes, comprising: a receptacle (10) suitable for being traversed by a flow (F) of the liquid to be treated; at least one electrode (20) disposed inside the receptacle (10) and having ... | 12/10/1991 |
| 5024732 | Method of and device for compensating variations of branch currents in electroplating baths A method for compensating variations of branch currents in an electrolytic bath and hence for improving the uniformity of metal layers deposited on articles, provides a compensating passive resistor having a resistance value exceeding the resistance of re... | 06/18/1991 |
| 4880509 | Electrolytic finishing method and apparatus An electrode is positioned to form a predetermined gap between the electrode and a surface of a work, and the electrode and the work are submerged in an electrolyte. Pulses are applied to the electrode to machine the work. The electric energy of the pulse... | 11/14/1989 |
| 4490230 | Electroplating apparatus There is disclosed electroplating apparatus in which a plurality of anodes and a twice-as-large plurality of first and second cathodes are disposed in a cell such that each anode has on its opposite sides a first cathode and a second cathode, respectively... | 12/25/1984 |
| 4461690 | System for equalizing current flow in a plurality of branch circuits such as are used in electroplating baths A reference branch circuit includes a voltage divider. Each of at least one regulated branch circuits includes the collector-emitter circuit of a regulating transistor and a measuring resistance. Each regulated branch circuit is associated with a comparat... | 07/24/1984 |
| 4424105 | Gas generator with regulated current source An improved apparatus for gas generators producing oxygen and hydrogen or oxyhydrogen gas, the apparatus comprising a solid state current limiting circuit in combination with an assembly of electrolytic cells. The current-limiting circuit replaces the var... | 01/03/1984 |
| 4394241 | High speed plating of flat planar workpieces An overhead monorail transports racks, in which individual generally flat planar workpieces are suspended, along a path which may provide for several discrete processes in the production line of the circuit boards, and which path includes horizontal linea... | 07/19/1983 |
| 4378282 | High speed plating of flat planar workpieces An overhead monorail transports racks, in which individual generally flat planar workpieces are suspended, along a path which may provide for several discrete processes in the production line of the circuit boards, and which path includes horizontal linea... | 03/29/1983 |
| 4378281 | High speed plating of flat planar workpieces An overhead monorail transports racks, in which individual generally flat planar workpieces are suspended, along a path which may provide for several discrete processes in the production line of the circuit boards, and which path includes horizontal linea... | 03/29/1983 |
| 4377445 | Shunt current elimination for series connected cells Electrochemical systems having a plurality of cells which are hydraulically and electrically connected in series develop shunt currents in the electrolyte of adjacent cells. The shunt currents are reduced or eliminated by the placing of an electrical bypa... | 03/22/1983 |
| 4348632 | Servosystem operating about noise component error signal The control of the operation of an electric circuit element, such as an electrochemical cell, is performed by positive feedback servocircuitry developing an error signal or inherent noise component, and having algebraic computing capability for developing... | 09/07/1982 |
| 4328084 | Apparatus for the treatment of water Water purification is accomplished in a swimming pool, spa or decorative pool body of water by adding salt in quantities sufficient to make the water slightly conductive and by circulating that water through the electric field between a pair of electrode ... | 05/04/1982 |
| 4097355 | Water sterilization apparatus The electrodes of a water purification cell are immersed in the water to be sterilized. The current through the cell is kept constant by varying the resistance of an emitter-collector circuit of a transistor connected in series with the cell to compensate... | 06/27/1978 |
