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| Number | Title | Issue Date |
| 8128865 | Process of making a shrouded impeller A method of fabricating a shrouded impeller is disclosed. The method includes providing an open faced impeller, the open faced impeller including a plurality of blades extending at least partially radially from a hub. The method also includes performing a first powd... | 03/06/2012 |
| 8007713 | Sintered composite machine part and manufacturing method thereof Disclosed are a sintered composite machine part as a cylinder block for piston pumps or piston motors, and a manufacturing method thereof. The machine part has an air-tight main body of sintered porous iron alloy and having an iron oxide layer on the surface; and a ... | 08/30/2011 |
| 7947219 | Process for manufacturing composite sintered machine components In a process for manufacturing composite sintered machine components, the composite sintered machine component has an approximately cylindrical inner member and an approximately disk-shaped outer member, the inner member has pillars arranged in a circumferential dir... | 05/24/2011 |
| 7867437 | Method of manufacture Ni-doped TiOnanotube-shaped powder and sheet film comprising the same The present invention provides a method of manufacturing Ni-doped TiO2 nanotube-shaped powder and a method of manufacturing a sheet film to be inserted into a high-pressure hydrogen tank for a fuel cell vehicle by mixing the Ni-doped TiO2 nanot... | 01/11/2011 |
| 7807098 | Advanced erosion-corrosion resistant boride cermets The invention is related to a method for protecting a metal surface subject to erosion temperatures up to 850° C. The method comprises providing the metal surface with a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and bin... | 10/05/2010 |
| 7776255 | Hollow shell and method of manufacture Hollow metal and/or metal alloy articles are fabricated by the reduction of metal containing compounds, particularly non-metallic metal compounds. ... | 08/17/2010 |
| 7718115 | Method of forming hollow part A method of forming a hollow part from a mixture is disclosed. The method may include rotationally molding the mixture into a green part. Additionally, the method may include debinding the green part into a brown part. The method may also include sintering the brown... | 05/18/2010 |
| 7501090 | Method for protecting metal surfaces utilizing erosion resistant oxide cermets One embodiment of the invention includes a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Al, Si, Mg, Ca, Y, Fe, Mn, Group IV, G... | 03/10/2009 |
| 7435376 | Composites and method for manufacturing same A composite of a metal matrix with one or more incorporated secondary phases is referred to as a metal matrix composite (MMC). Secondary phase refers to all the particles or fibers which have a different composition than the metal matrix, and which are incorporated ... | 10/14/2008 |
| 7407622 | Method of manufacturing a metal article by powder metallurgy A method of manufacturing a fan blade (26) for a gas turbine engine by powder metallurgy comprises the steps of forming a container (52) and placing at least one metal insert (52) at a predetermined position within the container (52) and ... | 08/05/2008 |
| 7407082 | Advanced erosion resistant carbonitride cermets The invention includes a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, ... | 08/05/2008 |
| 7393595 | Composite comprising a metal or alloy and a shape memory alloy A composite element comprises:(a) a metal or metal alloy component having an elastic modulus that decreases with increasing temperature in a temperature range; and (b) sufficient amount of a shape memory alloy component having an elastic modulus that shows an increa... | 07/01/2008 |
| 7384252 | Method for producing tire vulcanizing mold and tire vulcanizing mold A 3-D solid model of a tire vulcanizing mold is constructed on CAD, lamination models the optimum value of the pitch of which is determined in consideration of molding accuracy and processing time are created by dividing this model in a predetermined lamination dire... | 06/10/2008 |
| 7368079 | Method for forming ultra hard sintered compacts using metallic peripheral structures in the sintering cell A method for forming an ultra hard material layer is provided. The method includes disposing a metallic liner inside the periphery of a refractory metal enclosure, introducing ultra hard material feed stock into the enclosure, and sintering using HPHT processing and... | 05/06/2008 |
| 7367488 | Method of repair of thin wall housings The present invention provides methods and materials for use in repairing a worn component having thin walls. One kind of thin wall may be the wall of a cylindrical portion of the component where such wall has a worn inner surface and an opposite outer surface. The ... | 05/06/2008 |
| 7361301 | System and method for consolidating powders This invention relates to a system and method for consolidating particulate material, such as particulate material, in order to achieve at least ninety-five percent (95%) or even ninety-eight percent (98%) of its maximum theoretical density using a relatively long d... | 04/22/2008 |
| 7355819 | Machining actuator periphery to reduce resonance variation A method of manufacturing a disc drive actuator is provided. The method includes manufacturing a disc drive actuator and machining a peripheral surface of the actuator. The peripheral surface is machined to obtain a desired profile dimension and thereby reduce varia... | 04/08/2008 |
| 7351364 | Method of manufacturing a hybrid structure A method of manufacturing a hybrid structure (100) having a layer of CMC material (28) defining an interior passageway (24) and a layer of ceramic insulating material (18) lining the passageway. The method includes the step of casting the... | 04/01/2008 |
| 7347968 | Method to form multi-material components The invention shows how powder injection molding may be used to form a continuous body having multiple parts, each of which has different functional properties such as corrosion resistance or hardness, there being no connective materials such as solder or glue betwe... | 03/25/2008 |
| 7332123 | Method for manufacturing composite articles and the articles obtained therefrom A method of molding an article comprises inserting a mandrel into the cavity of the mold; placing a niobium based refractory metal intermetallic composite powder into a cavity of a mold; consolidating the niobium based refractory metal intermetallic composite around... | 02/19/2008 |
| 7329381 | Method for fabricating a metallic article without any melting A metallic article made of metallic constituent elements is fabricated from a mixture of nonmetallic precursor compounds of the metallic constituent elements. The mixture of nonmetallic precursor compounds is chemically reduced to produce an initial metallic materia... | 02/12/2008 |
| 7329302 | Lubricants for powdered metals and powdered metal compositions containing said lubricants Particulate lubricants are disclosed which comprise discrete particles of a fatty monoamide, especially oleamide and discrete particles of at least one other powder metallurgy lubricant, which provide a synergistic free-flowing composition; there are also provided n... | 02/12/2008 |
| 7323136 | Containerless mixing of metals and polymers with fullerenes and nanofibers to produce reinforced advanced materials The present invention relates to fullerene, nanotube, or nanofiber filled metals and polymers. This invention stems from a cross-disciplinary combination of electromagnetic and acoustic processing and property enhancement of materials through fullerene or nanofiber ... | 01/29/2008 |
| 7322776 | Cutting tool inserts and methods to manufacture The present invention relates to cutting tool inserts. A cutting tool insert includes an abrasive tip of a hard material, an abrasive or superabrasive material. A cutting tool insert is bonded to an insert body by mechanical force. The mechanical forces are generate... | 01/29/2008 |
| 7314498 | Sintered alloys for cam lobes and other high wear articles An iron-based sintered powder metal article for cam lobe and other high temperature, high wear applications requiring excellent net-shape stability during sintering comprises a powder metal mixture consisting essentially of, by weight, 0.5–3.0% Mo, 1–6.5% Cr, 1â... | 01/01/2008 |
| 7309373 | Method of making a ceramic body of densified tungsten carbide A method of making tungsten carbide and a method of making a densified tungsten carbide-containing ceramic body with a transverse rupture strength greater than 300,000 psi are disclosed. ... | 12/18/2007 |
| 7303724 | Composite metallic materials and structures and methods of making the same A composite material and method of making the same are disclosed. An example method for fabricating a composite material forms a core layer between opposing outer layers. The core layer includes a mixture of at least one metallic powder and at least one expanding ag... | 12/04/2007 |
| 7300623 | Contact material, composite sintered contact component and method of producing same A contact material which provides improved wear resistance as well as reduced adhesion utilizing the features of an intermetallic compound having an ordered phase, with the intention of (i) improving the seizure resistance and/or wear resistance of an implement bear... | 11/27/2007 |
| 7300621 | Method of making a ceramic matrix composite utilizing partially stabilized fibers A green body ceramic matrix composite material (30) is formed using ceramic fibers (32) in an intermediate state disposed in a green body ceramic matrix material (34). The fibers may be in either a dry but unfired (green) condition or in a parti... | 11/27/2007 |
| 7287719 | Wire/fiber ring method for manufacturing the same A wire/fiber ring having two layers applied in four clock positions. Each layer includes a first material strand having a first diameter and a second material strand having a second diameter different from the first diameter. A second or any subsequent layer is disp... | 10/30/2007 |
| 7273581 | Process for in-situ preparation of aluminia—(Ti,Zr) borides composite The present invention relates to an improved process for in-situ preparation of alumina-(Ti,Zr) borides composite. The present invention particularly relates to fast and in-situ process for synthesis and consolidation of Al2O3—Zr/Ti B2 | 09/25/2007 |
| 7261855 | Method and system for manufacturing of complex shape parts from powder materials by hot isostatic pressing with controlled pressure inside the tooling and providing the shape of the part by multi-layer inserts Method for manufacturing complex shape parts including parts with cavities from powder materials by Hot Isostatic Pressing (HIP) with controlled pressure inside the HIP tooling and multi-layer inserts including hollow inserts. Controlled pressure inside the HIP tool... | 08/28/2007 |
| 7258720 | Metal powder composition for use in selective laser sintering A three-dimensional object of a desired shape is made by irradiating an optical beam on a metal powder layer to form a sintered layer and by laminating such sintered layer one above another. A metal powder composition for use in making such a three-dimensional objec... | 08/21/2007 |
| 7241416 | Metal injection molded turbine rotor and metal injection molded shaft connection attachment thereto A rotor shaft assembly (101) of a type used in a turbocharger, manufactured by mounting a powder compact of a titanium aluminide rotor (203) to a powder compact of a steel shaft (207), with a metal powder admixed with a binder (211) inter... | 07/10/2007 |
| 7237337 | Heat dissipating apparatus having micro-structure layer and method of fabricating the same The present invention relates to a heat dissipating apparatus having micro-structure layer and method for fabricating the same. The method provides two highly heat conductive members having structure patterns. A highly heat conductive material is coated on the struc... | 07/03/2007 |
| 7235211 | Rotary cone bit with functionally-engineered composite inserts A rotary cone bit, having a functionally-engineered surface of this invention, comprises a bit body having at least one leg extending therefrom, and a cone that is rotatably disposed on the leg. The cone typically comprises a plurality of cutting elements that proje... | 06/26/2007 |
| 7234920 | Turbine casing having refractory hooks and obtained by a powder metallurgy method A turbine stator casing comprising a jacket and fastener hooks for fastening a turbine distributor nozzle, the hooks projecting from the inside face of the jacket, said jacket being made of a first alloy by hot isostatic compression using metal powder, said fastener... | 06/26/2007 |
| 7201809 | Radial anisotropic ring magnet and method of manufacturing the ring magnet A radially anisotropic ring magnet endowed with good magnetic characteristics and having throughout the magnet an angle of 80 to 100° between a center axis thereof and a radial anisotropy imparting direction is manufactured by a pressing operation. ... | 04/10/2007 |
| 7191709 | Enhanced performance reactive composite projectiles A reactive composite projectile includes a reactive composite material in a solid shape and an encasement material applied to and surrounding the solid shape for exerting compressive forces thereon. Additionally or alternatively, an elongate structure can be positio... | 03/20/2007 |
| 7169351 | Method of production of surface densified powder metal components A method for densification of the surface layer of an optionally sintered powder metal component comprising the steps of decarburizing the surface layer for softening the surface layer of the component, and densifying the surface layer of the component. ... | 01/30/2007 |
