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| Number | Title | Issue Date |
| 8110019 | Modified induction furnace and process for removing zinc-containing metallurgical waste, with recovery of the metals therefrom The present invention is based on a novel electric induction furnace design that enables the removal of zinc-containing filter dust (FD) originating from the production of steel (alloy or non-alloy) and the production of cast iron with galvanized steel scrap, using ... | 02/07/2012 |
| 8043400 | System and method for the thermal processing of ore bodies The Inventive System disclosed herein relates to an improved system for extracting metals from ore. ... | 10/25/2011 |
| 8034150 | Process and system for material reclamation and recycling A system and process for reclaiming nickel and cadmium from a feed source such as Ni—Cd batteries. The feed source is shredded to produce feed particles, screened to size the particles, magnetically separated to remove non-metallic materials, and induction heated ... | 10/11/2011 |
| 7927398 | Multistage electromagnetic purification method for molten metal A multistage electromagnetic purification method of molten metal, which employs a multistage separator composed of two or more multichannel straight-pass separators bonded together with inorganic high-temperature adhesive. Each stage of the separators is set up in s... | 04/19/2011 |
| 7905940 | Method for reducing metal oxide slags or glasses and/or for degassing mineral melts, and device for carrying out said method In a method for reducing metal-oxidic slags or glasses and/or degassing mineral melts, solid particles and/or melts are charged onto an at least partially inductively heated bed or column containing lumpy coke, and the reduced and/or degassed melt running off is col... | 03/15/2011 |
| 7727302 | Slag control in a channel induction furnace A method of operating a channel induction furnace to process a feed material and obtain therefrom at least one of a molten metal product, a vapor phase metal product and a slag product. The method involves maintaining a slag layer on the molten bath that has a thick... | 06/01/2010 |
| 7381238 | System and method of electromagnetic influence on electroconducting continuum Thus, as shown by an exact electrodynamic computation of EMBF and the estimations described above of the velocity of turbulent flows arising due to their effect, application of amplitude- and frequency-modulated helically traveling (rotating and axially traveling) e... | 06/03/2008 |
| 7234235 | Wire processing method of cross-linking coated wire In wire cross-linking process, after microwave is launched into the inside of the waveguide coaxial converter, the coated wire is inserted into the wire insertion pipe. The coated wire is cross-linked by high frequency heat and a coating insulator is adhered well to... | 06/26/2007 |
| 7220397 | Modified oxygen reduced valve metal oxides Pressed material such as anodes are described and formed from oxygen reduced oxide powders using additives, such as binders and/or lubricants. Methods to form the pressed material are also described, such as with the use of atomizing, spray drying, fluid bed process... | 05/22/2007 |
| 7211541 | Mg—Ni hydrogen storage composite having high storage capacity and excellent room temperature kinetics A hydrogen storage composite material having a Mg—Ni based alloy with a coating of a catalytically active metal deposited on at least a portion of a surface of said Mg—Ni based alloy. The coating is less than about 200 angstroms thick and preferably is formed fr... | 05/01/2007 |
| 7169205 | Method for producing a melt iron in an electric furnace A process for producing liquid smelting iron in an electric arc furnace includes several electrodes, equipped with a hearth, and containing a heel covered with a non-foaming liquid slag. The process further includes the reduction of the metallic fines, in order to f... | 01/30/2007 |
| 7156893 | Method of making niobium and other metal powders Methods of forming niobium powders and other metal powders are described. The method involves milling the metal powders at elevated temperatures and in the presence of at least one liquid solvent. The methods of the present invention have the ability to reduce DC le... | 01/02/2007 |
| 7115170 | Portable bulk product melt system A bulk product melt system including a portable support platform positionable with respect to a bulk product source vessel. A water heating system is positioned with respect to the support platform and includes a water tank, which contains a volume of water heated t... | 10/03/2006 |
| 6994146 | Electromagnetic die casting A die-casting method and a device for use in the die-casting method are disclosed. The casting material, which can be liquid metal, semi-solid metal or metal-matrix composite, in the shot chamber of a die-casting machine is driven to flow with high shear rate to mix... | 02/07/2006 |
| 6932938 | Method and apparatus for containing and ejecting a thixotropic metal slurry A container system including a vessel for holding a thixotropic semi-solid aluminum alloy slurry during its processing as a billet and an ejection system for cleanly discharging the processed thixotropic semi-solid aluminum billet. The crucible is preferably formed ... | 08/23/2005 |
| 6918942 | Process for production of titanium alloy Titanium-aluminum alloy is prepared as a master alloy, and the aluminum master alloy and a pure titanium material are melted by an electron beam to yield titanium alloy. ... | 07/19/2005 |
| 6616724 | Method and apparatus for evaporating components of multiple substance mixtures and multiple substance systems For the evaporation of given components from initial multiple-substance mixtures and systems at subatmospheric pressure, individual portions (P1, P2, P3, P4, P5) of the multiple-substance mixture and systems are placed in ring crucibles (17) stacked at se... | 09/09/2003 |
| 6537342 | Induction furnace for a metal reduction and melting process Apparatus for a metal reduction and melting process, in which a metal and carbon-containing burden is heated in an induction furnace including a heating vessel in which the burden can float in at least one heap on a liquid metal bath in the vessel, is cha... | 03/25/2003 |
| 6533838 | High purity gallium for preparation of compound semiconductor, and method and apparatus for purifying the same In a process for separating impurities from a raw gallium material containing impurities, a process for refining gallium comprising progressively solidifying a raw gallium material provided in a liquid state inside a vessel while applying stirring, such t... | 03/18/2003 |
| 6485539 | Method of ALNIKO alloy melting A method of alnico alloy melting includes melting a charge, oxidizing refining of the melted charge, with the melting including introducing the charge into a flux that is heated try electrical current, maintaining a temperature of the flux in a range of 1... | 11/26/2002 |
| 6478839 | Method of induction-heat melting treatment of metal-oxide-containing powders and device therefor A device for induction-heat melting treatment of metal-oxide-powders includes a closed hopper, a heat-resistant piping, for supplying a powder to an induction heating pipe which is made of dielectric material and comes in contact with the lower end part o... | 11/12/2002 |
| 6461400 | Process for extracting quantities of precious metals A method of extracting amounts of precious metals from target materials. The target material in particulate form is mixed with particulate copper and coarse-ground wheat flour and roasted at least once in an induction furnace. The roasted mixture is trans... | 10/08/2002 |
| 6454829 | Method and device for the continuous degassing of molten metals The invention relates to a method and a device for the continuous degassing of molten metals and subsequent casting of the degassed metal, according to which the molten metal is guided into a vacuum for the purpose of degasification and after degasificati... | 09/24/2002 |
| 6409791 | Metallothermal process and continuous drawing, in cold induction furnaces, of metals or alloys A metallothermy method includes continuously withdrawing an ingot of a metal product such as uranium or a uranium alloy as it is formed from an oxide or salt of the metal. The method employs upper and lower communicating crucibles. The upper crucible cont... | 06/25/2002 |
| 6409790 | Method and apparatus for practicing carbonaceous-based metallurgy An energy efficient, coal-based method and apparatus that are environmentally friendly which produce under pressure metallized/carbon product and molten metal directly from abundant coal or other carbonaceous material, and low cost fines (or ore concentra... | 06/25/2002 |
| 6375702 | Consumable electrode electroslag refining feed systems and methods A consumable electrode feed system for a refining system provides consumable electrodes to a refining system. The consumable electrode feed system comprises a side feed device that feeds consumable electrodes to a refining system in a first direction; a r... | 04/23/2002 |
| 6340376 | Method for combining metals with different melting points A method for combining a first metal with a second metal where the melting point of the second metal is higher than the melting point of the first metal. The first and second metals are melted in separate crucibles. The second molten metal is introduced o... | 01/22/2002 |
| 6289258 | Drain flowrate measurement The flowrate of a stream discharged from a drain in a vessel is measured by imaging the stream, measuring a diameter of the stream image, and calculating the flowrate based on the measured diameter. A video camera may be aimed below the drain for imaging ... | 09/11/2001 |
| 6277168 | Method for direct metal making by microwave energy A method for the direct preparation of metal from metal containing ore by applying microwaves, alone or in combination with other heating means, to extract metal from masses made by forming a powder of ore and an optional reducing agent. The method minimi... | 08/21/2001 |
| 6241797 | Process for reducing oxidic slags There is disclosed a process for reducing oxidic slags or combustion residues above a metal bath. The metal bath is formed of an iron alloy containing metals nobler than iron and whose redox potential is adjusted such FeO is reduced to Fe not at all or on... | 06/05/2001 |
| 6235074 | Process of recovering copper from winding There is provided a process of recovering copper from winding composed of an enameled copper wire having a polyester and/or a polyurethane based insulating coating thereon, and the process includes the steps of immersing the winding into an alkali solutio... | 05/22/2001 |
| 6221123 | Process and apparatus for melting metal An apparatus and a method for melting solid metals, including iron, are provided. The apparatus includes a vertical shaft furnace through which the metal is fed. The shaft furnace is mounted on a horizontal induction furnace containing a molten pool of me... | 04/24/2001 |
| 6206948 | Metal reduction and melting process and apparatus A metal reduction and melting process which involves the heating of a burden comprising a metal containing component and a carbon containing component in a channel type induction furnace in order to reduce such metal containing component, in which at leas... | 03/27/2001 |
| 6146438 | Ball formation method An apparatus and method of forming balls includes a metering device 2, a melting device 14 and a cooling device 20. The metering device 14 stamps a desired volume of solid material in the form of a slug 12 which passes through the melting device 14 where ... | 11/14/2000 |
| 6146437 | Metal containing compound reduction and melting process The present invention provides a metal containing compound reduction and melting process which entails feeding a burden made of a mixture of the metal containing compound and a suitable reductant in particulate form into an electrically heatable vessel wh... | 11/14/2000 |
| 6007597 | Electron-beam melt refining of ferroniobium Niobium, Nb, is refined from FeNb by electron beam melt refining. The amount of the impurities in the FeNb which form suboxides with oxygen is optionally determined. Sufficient oxygen is added to form oxides with these impurities. The electron beam melt r... | 12/28/1999 |
| 6004368 | Melting of reactive metallic materials Method and apparatus for melting reactive metallic materials, such as for example titanium base alloys and other reactive alloys, by selective and sequential induction heating of a plurality of solid alloy charge components segregated in a refractory melt... | 12/21/1999 |
| 5948138 | Method and apparatus for stirring of molten metal using electromagnetic field Method and apparatus for controlling stirring of molten metal(24) during processing in a metallurgical vessel(20), free of mechanical-contact with the molten metal(24). Efficiencies of metal processing and improvements in metallurgical properties are achi... | 09/07/1999 |
| 5925165 | Process and apparatus for the 3-stage treatment of solid residues from refuse incineration plants In a method for processing solid residues from refuse incineration plants the slag is melted and heavy metals from the melt (16) are separated for reutilization. The slag is directly transferred from the refuse incineration plant into a first heating cham... | 07/20/1999 |
| 5901169 | Apparatus for discharging molten matter from cold crucible induction melting furnace Molten matter is discharged from a cold crucible induction melting furnace provided with a furnace body disposed within a high-frequency coil for heating the furnace body. A metallic discharging nozzle extends downwardly from an inner bottom portion of th... | 05/04/1999 |
