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| Number | Title | Issue Date |
| 7847208 | Methods for performing manual laser deposition Methods for performing manual laser deposition are provided. In this regard, a representative method includes: directing a laser beam at a first deposit location of a substrate to re-melt: at least a portion of a first deposit of weld filler, at least a portion of a... | 12/07/2010 |
| 7361411 | Hardfacing alloy, methods, and products Disclosed is a hardfacing alloy capable of withstanding service abrasion of the order of silicious earth particles and weldable on industrial products, such as tool joints and stabilizers used in oil and gas well drilling, and other industrial products. The hardfaci... | 04/22/2008 |
| 7342195 | Customizable ion fusion formation system and process A customizable ion fusion formation system and method is used to repair a targeted repair region of a workpiece with successive layers of feedstock material. The system includes a moveable positioning platform and a control platform positioned separate and apart fro... | 03/11/2008 |
| 7211767 | Techniques for treating a surface crack on a component A system is configured to treat a conductive component. The system includes a power source, an interface configured to electrically contact with a surface of the conductive component, and a controller coupled to the power source and the interface. The controller is ... | 05/01/2007 |
| 7208711 | Dielectric welding methods and apparatus Dielectric welding apparatus has opposed electrodes that can be engaged on either side of a product to be welded and a dielectric welding power supply that supplies welding potentials to the electrodes. The apparatus includes electrically insulating buffer material ... | 04/24/2007 |
| 7164094 | Apparatus and method for electrofriction welding An apparatus and method arranged to use a combination of at least electrical resistance heating and mechanical friction heating to case a base material and/or a consumable material to reach a combination of temperature and pressure sufficient to cause welding. The m... | 01/16/2007 |
| 7124960 | Electric arc wire burner The invention relates to an electric arc wire burner for spraying an electric arc, comprising at least two burner tubes (3) for feeding electrodes which are embodied in the form of wire (5). Said electrodes are guided through the burner tube (3)... | 10/24/2006 |
| 7020942 | Portable boring and welding machine A portable boring and welding machine includes a tool shaft adapted to mount tools for boring and welding workpieces. The shaft extends along an axis and is driven by an electric motor. The motor and the shaft are connected by a helical gearwheel and worm pair, the ... | 04/04/2006 |
| 6888088 | Hardfacing materials & methods A method for applying wear resistant material to a substrate, the substrate comprised of material with a substrate coefficient of thermal expansion, the method including applying the wear resistant material to the substrate with application apparatus, the wear resis... | 05/03/2005 |
| 6881919 | Powder feed nozzle for laser welding A powder feed nozzle for laser welding applications including a multiple outlet nozzle tip for focusing a discharged powder stream. The multiple outlet nozzle tip disperses multiple outlet streams and includes a powder discharge outlet and at least one focus gas dis... | 04/19/2005 |
| 6802122 | Method of manufacturing an article A gas turbine engine (10) fan outlet guide vane (34) is manufactured by diffusion bonding titanium alloy sheet metal workpieces (52, 54) together to form an in integral structure (66). A titanium alloy is weld deposited at predetermined p... | 10/12/2004 |
| 6756083 | Method of coating substrate with thermal sprayed metal powder Methods for applying thermal coatings on substrates using a diffusion alloyed metal powder are provided. The powder comprises pre-alloyed iron base powder particles having molybdenum particles diffusion alloyed to the base powder particles. ... | 06/29/2004 |
| 6603090 | Pulverulent filler and method for applying a wear-resistant layer Method for applying a wear-resistant layer comprising a nickel alloy matrix and intercalated tungsten carbides and/or vanadium carbides to a surface which is to be protected using arc welding or plasma welding.... | 08/05/2003 |
| 6518534 | Welding apparatus for forming chromium oxide passivated film at welded portion An improved method for welding and passivation forms a chromium oxide passivated film over the welded portion during the welding process. In a shielding step, a backshield gas, preferably argon, is flowed around the welding site. In a welding step, an arc... | 02/11/2003 |
| 6475647 | Protective coating system for high temperature stainless steel A method for protecting high temperature stainless steel from coking and corrosion at elevated temperatures in corrosive environments, such as during ethylene production by pyrolysis of hydrocarbons or the reduction of oxide ores, by coating the stainless... | 11/05/2002 |
| 6465755 | Manufacture of repair material and articles repaired with the material A process for the manufacture of repair material. The repair material is ductile and readily mechanically deformed and can be used in the repair of turbine components. The process comprises providing a directionally solidified material, cold-swaging the d... | 10/15/2002 |
| 6333484 | Welding superalloy articles A process is provided for welding a nickel or cobalt based superalloy article to minimize cracking by preheating the entire weld area to a maximum ductility temperature range, maintaining such temperature during welding and solidification of the weld, rai... | 12/25/2001 |
| 6331688 | Use of a metal powder for surface coating by submerged arc welding The present invention concerns the use of a pre-alloyed atomised powder in combination with at least one melting electrode wire in the SAW method. The electrode wire is an unalloyed or low-alloy metal wire and the metal powder is a metal powder containing... | 12/18/2001 |
| 6300588 | Manufacture of repair material and articles repaired with the material A process for the manufacture of repair material. The repair material is ductile and readily mechanically deformed and can be used in the repair of turbine components. The process comprises providing a directionally solidified material, cold-swaging the d... | 10/09/2001 |
| 6284058 | Method of aluminizing metal alloys by weld overlay using aluminum and aluminum alloy filler metal A method of aluminizing metals with a coating of aluminum or aluminides.... | 09/04/2001 |
| 6258402 | Method for repairing spray-formed steel tooling A machine tool or die that is fabricated from thermally spray-formed steel is easily repaired by cleaning, roughing and covering the surface to be repaired by a cold-spray layer of metal and then forming a weldment by conventional electric welding process... | 07/10/2001 |
| 6242113 | Welding alloy and articles for use in welding, weldments and methods for producing weldments A nickel, chromium, iron alloy for use in producing weld deposits. The alloy comprises, in weight percent, about 27 to 31.5 chromium; about 7 to 11 iron; about 0.005 to 0.05 carbon; less than about 1.0 manganese, preferably 0.30 to 0.95 manganese; about 0... | 06/05/2001 |
| 6218642 | Laser hardened steel cutting rule The invention relates to surface hardening of steel workpieces using laser beams and more particularly to laser hardening steel cutting rules. The method comprises applying a first laser beam of a first intensity and focused to a first focal point to a se... | 04/17/2001 |
| 6210082 | Method for repairing diametral surfaces of glass manufacturing molds A method of repairing a diametral surface of a mold of the type used in manufacturing glass containers by an I.S. machine, after a repair procedure that causes or can cause an out-of-roundness condition in the diametral surface. The method, which is appli... | 04/03/2001 |
| 6173886 | Method for joining dissimilar metals or alloys The present invention relates to an improved method for joining metals or alloys together. Specifically, the present invention relates to a method comprising the laser alloying of a first metal/alloy piece so that it can be joined with a second metal/allo... | 01/16/2001 |
| 6127644 | Electroslag surfacing using wire electrodes A method for depositing corrosion and wear resistant high alloy overlayers on industrial component substrates. Dilution of alloying components from out of the overlayer into the substrate is minimized by use of electroslag surfacing onto horizontally posi... | 10/03/2000 |
| 6117493 | Bearing with improved wear resistance and method for making same A steel bearing member having an erosion resistant surface and a method of making the same is disclosed. The steel bearing member comprising a bearing substrate, a first overlay of hardbanding material having sintered cemented metal carbide pellets in ste... | 09/12/2000 |
| 6082222 | Rigid internal gear of a wave gear drive A rigid internal gear of a wave gear drive is comprise by a tooth-formed member having inner teeth and a circular gear body member, these two members being integrally connected with each other. The tooth-formed member is made of ferrous or copper material... | 07/04/2000 |
| 6063458 | Folded identification tags Broadly, the present invention is directed to a method for making a metal tag bearing visible indicia thereon and which can be welded onto a workpiece. Such inventive method commences by providing a metal sheet having a top face, a bottom face, and a pair... | 05/16/2000 |
| 6064030 | Manufacturing method of rotary shaft with hard faced journal A manufacturing method of a rotary shaft having a body portion and a pair of coaxial journals integral with opposite ends of the body portion, wherein a hollow journal base metal is prepared separately from the body portion of the rotary shaft for providi... | 05/16/2000 |
| 6054672 | Laser welding superalloy articles A process is provided for laser welding a nickel or cobalt based superalloy article to minimize cracking by preheating the entire weld area to a ductile temperature, maintaining such temperature during welding and solidification of the weld, with the weld... | 04/25/2000 |
| 6005215 | Electric arc spray gun An electric arc spray gun wherein the spray tips can be precisely aligned is disclosed. The gun body includes converging wire guides located at an acute angle with respect to the horizontal. The diameter of the central portion of each wire guide is slight... | 12/21/1999 |
| 5996219 | Method for embedding electric or optical components in high-temperature metals This invention relates to a method of embedding electric components or optical components, such as sensors, in a high-temperature metal and the embedded products produced by the method. In the preferred embodiment the components are embedded on a substrat... | 12/07/1999 |
| 5914059 | Method of repairing metallic articles by energy beam deposition with reduced power density A filler material is melted into a metallic substrate having a defect under conditions chosen to preclude cracking. In a preferred embodiment of the invention, a laser beam is operated at a relatively low power density and at a relatively large diameter f... | 06/22/1999 |
| 5900170 | Containerless method of producing crack free metallic articles by energy beam deposition with reduced power density A containerless method of producing a crack free metallic article of near-net shape includes melting a filler material into a metallic substrate or seed under conditions chosen to preclude cracking. In a preferred embodiment of the invention, a laser beam... | 05/04/1999 |
| 5887428 | Gasket-less header for internal combustion engines By equipping a header wherein hollow pipes are welded to a rectangular plate used to mount the header with spaced apart extensions of the welds joining the pipes to the plate located on opposite sides of the bolt holes formed in the plate to mount it on a... | 03/30/1999 |
| 5348212 | Welding method for rotatable shafts An improved welding method is provided for repairing broken rotors. The welding method preferably employs a 2.25Cr-1.0Mo-0.3V-type filler metal, preferably deposited using a narrow groove welding technique. The broken pieces are aligned end to end. A narr... | 09/20/1994 |
| 5308409 | Method of strengthening aluminum castings in a specified local part A method of strengthening an aluminum casting by modifying qualities of a specified part thereof comprises the steps of forming a weld overlay on the specified part using powders made of heat resisting element and remelting the specified part, now overlai... | 05/03/1994 |
| 5268557 | Recharging bead incorporating fibres or at least one reinforcing wire The invention relates to a recharging or reloading bead incorporating discontinuous fibres or at least one reinforcing wire. This bead comprises a core reinforced by discontinuous fibres or at least one continuous wire (6) made from a non-fragile material, whi... | 12/07/1993 |
| 5068507 | Electroslag surfacing A method and apparatus for electroslag surfacing of metal plate which utilizes a plate feeder assembly to which the plate is presented and which includes an elongate, horizontally disposed feeder table having an approach-end section and a runout-end secti... | 11/26/1991 |
