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| Number | Title | Issue Date |
| 7993575 | Friction stir welding using a superabrasive tool A probe for friction stir welding MMCs, ferrous alloys, non-ferrous alloys, and superalloys, as well as non-ferrous alloys, the probe including a shank, a shoulder, and a pin disposed through the shoulder and into the shank, wherein the pin and the shoulder at least... | 08/09/2011 |
| 7854885 | Method of making an article A method of making an article having at least one re-entrance surface includes the steps of (a) forming a layer of metal powder on a base, (b) selectively laser fusing portions of the layer, and (c) repeating steps (a) and (b) to form the article, each step (a) bein... | 12/21/2010 |
| 7811511 | Particle dispersion copper alloy and method for producing the same Hard phase particles including Co alloy particles, carbide alloy particles, and silicide particles are dispersed substantially uniformly throughout a matrix composed of Cu self-fluxing alloy of a cladded portion. The cladded portion contains 6 to 15% by weight of Co... | 10/12/2010 |
| 7803313 | Method for bonding powder metallurgical parts Method for forming a unitary component from a plurality of powder metallurgy compacts. The method in some embodiments includes fluidizing first and second surfaces, wherein a first powder metallurgy compact defines the first surface and a second powder metallurgy co... | 09/28/2010 |
| 7780907 | Method for producing a denture The invention relates to a process for the production of a dental prosthetic item (10) by means of local sintering, in which the dental prosthetic item (10) is produced layer-wise by energy input, by means of an energy transferring beam (7), int... | 08/24/2010 |
| 7776256 | Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies Methods of forming bit bodies for earth-boring bits include assembling green components, brown components, or fully sintered components, and sintering the assembled components. Other methods include isostatically pressing a powder to form a green body substantially ... | 08/17/2010 |
| 7713467 | Process for the production of a ball screw and ball screw A process for the production of a ball screw, which has at least one element produced powder metallurgically, is suggested, with which the at least one element is produced from a plurality of parts, wherein at least one first precursor body with a first joining area... | 05/11/2010 |
| 7622072 | Versatile processes for preparing and using novel composite particles in powder coating compositions Methodology for constructing composite particles from ingredients comprising two or more particulate components. The resultant particles are usefully incorporated into powder coating compositions. The approach also finds utility in other applications, including but ... | 11/24/2009 |
| 7537725 | Method for making a compositionally graded gas turbine disk A compositionally graded gas turbine disk is made by placing a cylindrically symmetric slip case concentrically into an interior of a cylindrically symmetric outer container. A first nickel-base superalloy powder is loaded into a radially inner first portion of the ... | 05/26/2009 |
| 7452500 | Method and apparatus for making products by sintering and/or melting The invention relates to a method for making metallic and/or non-metallic products 2, in particular dental products, by freeform sintering and/or melting, in which the products 2 are fabricated layer by layer from a material 5 that is applied la... | 11/18/2008 |
| 7428777 | Method of making a heatsink device A method and device for thermal conduction is provided. Methods of forming heatsinks are provided that include advantages such as the ability to produce intricate detailed features that other manufacturing methods are not capable of. Other advantages provided includ... | 09/30/2008 |
| 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 |
| 7367766 | Screw and nut fastening device A device for fastening two parts to each other includes fastening screws extending in aligned passages in the two parts and receiving nuts, and a removable element for preventing the screw heads from moving during tightening or loosening of the nuts on the screws, t... | 05/06/2008 |
| 7361300 | Method of making extended area filter Methods are provided for making a porous filter that is useful in polymer melt spinning. The methods include pressing particles, such as a metal powder, to form a filter having a filter body integrally formed with a top cap and a bottom cap. The filter body and caps... | 04/22/2008 |
| 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 |
| 7320896 | Infrared radiation detector Electronic devices are disclosed that may be used for infrared radiation detection. An example electronic device includes a substrate, a transistor included in the substrate and a silicon-germanium (Si—Ge) structural layer coupled with the transistor. The structur... | 01/22/2008 |
| 7316724 | Multi-scale cermets for high temperature erosion-corrosion service A cermet composition represented by the formula (PQ)(RS)X comprising: a ceramic phase (PQ), a binder phase (RS) and X wherein X is at least one member selected from the group consisting of an oxide dispersoid E, an intermetallic compound F and a derivative compound ... | 01/08/2008 |
| 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 |
| 7288133 | Three-phase nanocomposite A three-phase nanocomposite that comprises about 0.5 to 10 vol % nano-scale aluminum oxide particles and about 1 to 45% high modulus ceramic particles and an aluminum alloy matrix. The nano phase is to enhance nanocomposite strength and the modulus phase is to enhan... | 10/30/2007 |
| 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 |
| 7241415 | Metallic parts fabrication using selective inhibition of sintering (SIS) A selective inhibition of sintering (SIS) technique may be used to fabricate a three-dimensional (3-D) dense metal object from a binderless metal powder. Layers of metal powder are provided on a build tank. For each layer, regions of the layer are sinter-inhibited, ... | 07/10/2007 |
| 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 |
| 7220380 | System and method for fabricating a three-dimensional metal object using solid free-form fabrication A method for solid free-form fabrication of a three-dimensional metal object includes depositing a particulate blend in a defined region, the particulate blend including a number of metal or metal alloy particulates and a peroxide, and selectively ink-jetting a bind... | 05/22/2007 |
| 7175686 | Erosion-corrosion resistant nitride 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 Si, Mn, Fe, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W and mixture... | 02/13/2007 |
| 7175687 | Advanced erosion-corrosion resistant boride cermets A cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and binder phase (RS) wherein, P is at least one metal selected from the group consisting of Group IV, Group V, Group VI elements, Q is boride, ... | 02/13/2007 |
| 7172286 | Colored contact lens A colored contact lens comprising a generally uncolored pupil region, a generally annular-shaped iris region and a multicolored pattern on the iris region. The multicolored pattern is sufficiently colored to change the apparent color of an iris of a person wearing t... | 02/06/2007 |
| 7172724 | Method of making sintered object In order for a surface of a three-dimensional sintered object to be smoothly finished by removing unwanted portions and an excessively sintered growth formed during sintering to form sintered layers, the three-dimensional sintered object is formed by repeating succe... | 02/06/2007 |
| 7153338 | Advanced 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, Group V... | 12/26/2006 |
| 7153337 | Porous metal structure body and method for manufacturing the same The object of the invention is to provide a porous metal structure body suitable for reinforcing a light metal alloy member such as an aluminum alloy member. A mixed powder containing a metallic powder is filled in a mold, and is molded into a shape having a single ... | 12/26/2006 |
| 7148602 | Commutator A commutator is provided which can be produced at low cost and is excellent in wear resistance and can be used in the fuel pump. The commutator is one in which at least those portions which come into contact with brushes comprise a filler mainly consisting of coke, ... | 12/12/2006 |
| 7146708 | Method of making a composite electric machine rotor assembly A method of making composite electric machine rotor assembly of a desired magnetic pattern. Magnetic segments and non-magnetic segments are separately formed to green strength, and then arranged adjacent to each other in a desired magnetic pattern. A small amount of... | 12/12/2006 |
| 7141207 | Aluminum/magnesium 3D-Printing rapid prototyping A 3D Printing Rapid Prototyping process using Al/Mg particles coated with a metal (i.e. copper, nickel, zinc, or tin) that (1) prevents oxidation of the Al/Mg particles, and (2) either alone, or when alloyed with the aluminum or magnesium core metal, melts below the... | 11/28/2006 |
| 7137546 | Silicon tube formed of bonded staves Tubular silicon members advantageously formed by extrusion from a silicon melt or by fixing together silicon staves in a barrel shape. A silicon-based wafer support tower is particularly useful for batch-mode thermal chemical vapor deposition and other high-temperat... | 11/21/2006 |
| 7138598 | Apparatus and method for accommodating part mismatch during joining A method of joining a pair of overlapping workpieces, the method includes: inserting a filler material between the pair of overlapping workpieces; applying a pressure to at least one of the workpieces so that the filler material is crushed; and joining the two workp... | 11/21/2006 |
| 7131768 | Extended temperature range EMF device A sensor and method of manufacturing an extended temperature range EMF sensor that is cost effective and highly reliable, with a stable EMF output and with an operating range of up to 1700° C. in hostile environments. The sensor is formed of highly stable dispersio... | 11/07/2006 |
| 7117164 | System and method of demand planning for intermediate and by-products A system (100) for demand planning includes memory (116) containing a value representing a demand quantity of at least one end product that a manufacturer (102) is to produce. Production of the demand quantity of the end product includes product... | 10/03/2006 |
| 7108829 | Method of manufacturing sliding part and compressor provided with the sliding part A method of manufacturing a sliding part includes the steps of forming a green member by injection molding integrally and unmixedly two powdery metallic materials of different compositions, sintering the green member and subjecting the green member to at least one h... | 09/19/2006 |
| 7108598 | PDC interface incorporating a closed network of features A superhard compact having an improved superabrasive-substrate interface region design for use in drilling bits, cutting tools and wire dies and the like. This compact is designed to provide an interface design to manipulate residual stresses to enhance the working ... | 09/19/2006 |
| 7089902 | Sintered alloy valve seat and method for manufacturing the same A valve seat, press-fitted into a cylinder head of an internal combustion engine, containing an iron-based sintered alloy, includes a valve-seating section and a head-seating section. The valve-seating section and the head-seating section are monolithically formed b... | 08/15/2006 |
