The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 8057647 | Electrode mounting structure of surface treatment apparatus An electrode mounting structure of a surface treatment apparatus in which a metal electrode is disposed so as to oppose to an inner-peripheral surface of a cylinder, the electrode and the cylinder are energized in a state where treatment liquid is interposed between... | 11/15/2011 |
| 6527922 | Electrolyzer Barrel-shaped anodes and cathodes are alternately arranged in layers in a concentric manner with space between the electrodes. Anodes are ferrite poles with a long hole along the center axis or a pipe, and the hole is filled with a metal with a low meltin... | 03/04/2003 |
| 6342138 | Clamp for electroplating articles An electroplating rack includes a cathode flight bar from which depends an insulated rack bar over an acid bath. A clamp is fixed to the rack bar, and has a bridge electrically connected to the flight bar through a conducting core inside the insulated rac... | 01/29/2002 |
| 6264810 | Electromechanical attachment of inert electrode to a current conductor A coupling for an inert electrode for refining a metal is provided. The coupling includes an electrode assembly and an electrically conductive support structure assembly. The support structure assembly includes a mechanical connection and an electrical co... | 07/24/2001 |
| 6080289 | Electroplating apparatus with self-cleaning contacts An electroplating apparatus comprising a plating tank containing electroplating solution, one or more substrates to be electroplated, and an electrical contact mechanism. The electrical contact mechanism comprises a first set of one or more conductive con... | 06/27/2000 |
| 5997701 | Galvanic deposition cell with a substrate holder The invention relates to an apparatus for the galvanic deposition of a metal layer on a substrate and comprises a substrate holder connected to a drive shaft that extends in a direction perpendicular to a surface of the substrate. The cathode current is s... | 12/07/1999 |
| 5902463 | Submersible anode and method An anode and mounting bracket assembly is designed to seat quickly and easily on cylindrical or tubular underwater structures. The anodes span between end plates which include notches or recesses in which the tubular structure seats. The recesses include ... | 05/11/1999 |
| 5876585 | Anode clamp Roller clamps provide an economical and effective means to achieve steady and uniform current distribution through the anodes and cathode of an Hall-Heroult electrolytic cell during the pre-heat cycle. The roller clamps, which replace conventional bar cla... | 03/02/1999 |
| 5762767 | Automatic transferring and processing apparatus of cathode and method thereof An automatic transferring and processing apparatus of a cathode and method thereof. A cathode having an electro-deposited metal is taken out of an electrolytic cell, rotated by a stock cathode pivot, transferred through a stock moving carriage and stock c... | 06/09/1998 |
| 5759363 | Carrying device for electroplating and method for improving the delivery of current therein A carrying device for electroplating and method for improving the delivery of current therein. The carrying device comprises a core of a high conductivity material and a cladding shrunk around and sealing the core, the cladding having a second, moderate c... | 06/02/1998 |
| 5738769 | Anode holder A crank-pin anode holder (1) for the electro-plating industry follows the movement of a crank-pin to be plated which is rotating horizontally. During operation, non-metallic shoes (12) of a jaw plate (4) centralize themselves and sit on the crank-pin insi... | 04/14/1998 |
| 5527435 | Device for clamping a part and application to the machining of a turbine engine blade by electrochemistry The clamping system makes it possible to hold a free portion of a part during operations performed thereon. The device includes a plurality of blocks, each integral either with a pin or with a tube equipped with a small operating lever. The assembly is mo... | 06/18/1996 |
| 5378338 | Superstructure for a very high power electrolysis cell for the production of aluminum Superstructure for a very high power electrolysis cell for the production of aluminum using the Hall-Heroult process. The cell being formed of a heat-insulated metal casing of elongated parallelepipedic shape. The said superstructure comprising at least o... | 01/03/1995 |
| 5288383 | Method and apparatus for adjusting the distance between the poles of electrolysis cells A method and apparatus for adjusting the distance between the anodes and cathodes in an electrolysis cell includes first and second anode beams, movably disposed in an upper and lower relationship. The anode beams are interconnected by a spindle having up... | 02/22/1994 |
| 5158659 | Electrode clamp device An electrode clamp device for use in electrochemical machines for simultaneously holding a plurality of electrodes made of metallic pipes. The clamp device comprises a clamp block having a plurality of electrode inserting through holes and a plurality of ... | 10/27/1992 |
| 5076903 | Anodizing rack and clamps A metallic rack for holding workpieces to be anodized. The rack has a pair of opposed spaced apart parallel elongated clamp-supporting rack members and connecting cross-members. It is characterized by a longitudinal channel in each of the clamp-supporting... | 12/31/1991 |
| 4933049 | Cradle for supporting printed circuit board between plating manifolds In a system for electroplating a printed circuit board in which multiple spray orifices are provided in arrays on opposite sides of the circuit board, and multiple vacuum orifices are interspersed symmetrically and midway between adjacent spray orifices, ... | 06/12/1990 |
| 4816129 | Suspension arrangement for anode bars in cells for electrolytic production of aluminum A suspension arrangement for an anode bar in a cell for electrolytic production of aluminum includes two jacks disposed along the center line of the anode bar, between an anode superstructure and the anode bar. The anode bar is movable in the vertical dir... | 03/28/1989 |
| 4756812 | Electrical connector and clamp mechanism for ECM workpart shaft A workpart to be the anode for electrochemical machining by a cathode tool is disposed on a shaft having a free end. An electrical coupling housing is disposed on the free end for movement thereon between electrical contact and non-contact positions. A st... | 07/12/1988 |
| 4515670 | Device for galvanically applying a metal coating A device for galvanically applying a coating of metal, particularly precious metal to separate objects whereby that the device comprises a wheel-shaped member adapted to rotate about a rotary axis and coupled with a driving source, at least one holder fas... | 05/07/1985 |
| 4447300 | Electrode holder for use in fusion electrolysis An axially displaceable electrode holder for use in fusion electrolysis, for holding active parts of self-consuming or of slowly self-consuming material by a screw nipple or the like. The electrode holder can have a cooling means with an inflow channel an... | 05/08/1984 |
| 4436606 | Electrolysis apparatus In an electrolysis apparatus comprising electrolytic cells (2), in which groups of electrodes are suspended and the longitudinal walls (17) of which are capped with two rows (19, 20) of supports (21, 22) for the suspension lugs (12, 16) of the electrodes, ... | 03/13/1984 |
| 4414070 | Anode positioning system For use with an electrolytic cell having multiple suspended anodes, an anode positioning system including an individual screw jack for raising and lowering each anode, an individual reduction gear box for driving each screw jack, an individual slipping fr... | 11/08/1983 |
| 4394242 | Clamp, tool, and electrolysis cell anode mount The invention involves a cell which may be used for producing molten aluminum by electrolysis of aluminum oxide in a molten bath. The cell includes a cathode and an anode, a bar and a hanger. The bar is connected at an upper end to the hanger and at a low... | 07/19/1983 |
| 4288298 | Method and apparatus for electroplating or electroforming metal objects The invention relates primary to the field of dentistry, particularly to the formation of dental crowns, and provides an apparatus for use in electrodeposition of a metal onto a plurality of substrates, which comprises a retainer for an electrolyte, a fir... | 09/08/1981 |
| 4288313 | Hanger for handling sheet material during processing thereof In order to hang sheet material, such as an aluminum skin section of an aircraft, during processing thereof, a plurality of hangers are provided, for releasably engaging an upper edge of the sheet material at spaced locations therealong so as to provide, ... | 09/08/1981 |
| 4247381 | Facility for conducting electrical power to electrodes The new conductor facility for electrodes, in particular for electrodes immersed in corrosive molten salts, features the following components: (a) A graphite pipe or tube which is open at both ends, fits tightly into a recess in the electrode and passes throug... | 01/27/1981 |
| 4229279 | Electroplating electrode and method of mounting an article to be plated thereon This invention relates to an electroplating electrode characterized by a drum having a longitudinally-extending groove therein that constitutes the groove of a first tongue and groove connector, the tongue of which comprises a second tongue and groove con... | 10/21/1980 |
| 4174262 | Device for fastening at least one plate inside an electrolyte bath and for feeding current thereto A device for fastening at least one plate inside an electrolyte bath and for feeding current thereto, which device comprises at least two electrically-insulated battens which run next to one another and between which the plate should be arranged with the ... | 11/13/1979 |
| 4134819 | Arrangement for controlling the electric energy supply to an electroplating installation An arrangement for controlling the electric energy supply rate to an electroplating installation includes a positionally adjustable actuating member connected to a carrier which supports workpieces to be electroplated in an electroplating vat, and a senso... | 01/16/1979 |
| 4082640 | Apparatus for forming an electroplated abrasive tool An improved abrasive tool useful in grinding and cutting and an improvement method and apparatus for making the same wherein a blank having a metallic working area presenting the required profile configuration of the tool has a multiplicity of closely spa... | 04/04/1978 |
| 4077865 | Clamping device for articles to be electroplated A device having a support to be secured to a bus bar and a clamping screw driven into the support for holding an article to be electroplated in a bath. A bore is disposed in the support at an angle to the longitudinal axis of the clamping screw, and a thr... | 03/07/1978 |
| 4025414 | Device for clamping a body against downward movement Device for electrode clamping against supporting crosspieces in electrolytic cells for aluminum production, comprising a clamping unit for each of the electrodes, which clamping unit is transversely arranged on the brackets having the electrode inserted t... | 05/24/1977 |
| 3970539 | End connector for filter press cell An end connector for a filter press cell disassociates the mechanical sealing function from the primary electrical connection. The connector includes a boss extension having an aperture formed therein for tightening the connector between the boss and boss... | 07/20/1976 |
| 3944479 | Anode base structure A novel anode base structure is provided for an electrolytic cell which can enable the electrolytic cell to be designed to operate as a chlor-alkali diaphragm cell at high current capacities of about 150,000 amperes and upward to about 200,000 amperes whi... | 03/16/1976 |
| 3933613 | Electrode fixture for plating bath Electroplating procedures and apparatus are described in which the metal plated out of the bath is replenished by a consumable anode. Particular attention is paid to the design of the anode assembly so as to facilitate rapid replenishment of the consumabl... | 01/20/1976 |