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| Number | Title | Issue Date |
| 8440314 | Coated cutting tools having a platinum group metal concentration gradient and related processes The present disclosure is directed to cutting tools. The disclosed cutting tools may have a wear resistant coating on a substrate. The substrate may have hard particles cemented in a binder phase. The binder may have a near-surface concentration gradient of at least... | 05/14/2013 |
| 8435483 | Method for making ammonium metatungstate A method for producing ammonium metatungstate from ammonium paratungstate includes preparing an ammonium paratungstate mixture including solid ammonium paratungstate and water. The mixture is contacted with a cation exchange material to lower a pH of the mixture to ... | 05/07/2013 |
| 8394210 | Nickel-base alloys and articles made therefrom A nickel-base alloy having favorable toughness and thermal fatigue resistance comprises, in weight percentages based on total alloy weight: 9 to 12 chromium; 25 to 35 iron; 1 to 3 molybdenum; 3.0 to 5.5 niobium; 0.2 to 2.0 aluminum; 0.3 to 3.0 titanium; less than 0.... | 03/12/2013 |
| 8387228 | Clad alloy substrates and method for making same A method for producing a single-clad or multiple-clad product includes providing a welded assembly comprising a cladding material disposed on a substrate material. Both the substrate material and the cladding material are individually selected alloys. At least a fir... | 03/05/2013 |
| 8381563 | Forging die heating apparatuses and methods for use A forging die heating or preheating apparatus comprises a burner head comprising a plurality of flame ports. The burner head is oriented to compliment an orientation of at least a region of a forging surface of a forging die and is configured to receive and combust ... | 02/26/2013 |
| 8377409 | Methods for making brines Methods for making brines may generally comprise forming a mixture comprising: (i) a solid material produced as a by-product of the Kroll process including solid anhydrous magnesium chloride and solid elemental magnesium; (ii) an amount of a previously-produced brin... | 02/19/2013 |
| 8361254 | Steel compositions, methods of forming the same, and articles formed therefrom Maraging steel compositions, methods of forming the same, and articles formed therefrom comprising, by weight, 15.0 to 20.0% Ni, 2.0 to 6.0% Mo, 3.0 to 8.0% Ti, up to 0.5% Al, the balance Fe and residual impurities. The composition may be a first layer of a composit... | 01/29/2013 |
| 8337750 | Titanium alloys including increased oxygen content and exhibiting improved mechanical properties One aspect of the present disclosure is directed to a metastable β titanium alloy comprising, in weight percentages: up to 0.05 nitrogen; up to 0.10 carbon; up to 0.015 hydrogen; up to 0.10 iron; greater than 0.20 oxygen; 14.00 to 16.00 molybdenum; titanium; and in... | 12/25/2012 |
| 8337749 | Lean austenitic stainless steel An austenitic stainless steel composition including relatively low Ni and Mo levels, and exhibiting corrosion resistance, resistance to elevated temperature deformation, and formability properties comparable to certain alloys including higher Ni and Mo levels. Embod... | 12/25/2012 |
| 8337748 | Lean austenitic stainless steel containing stabilizing elements An austenitic stainless steel composition including relatively low nickel and molybdenum levels, and exhibiting corrosion resistance, resistance to elevated temperature deformation, and formability properties comparable to certain alloys including higher nickel and ... | 12/25/2012 |
| 8322465 | Earth-boring bit parts including hybrid cemented carbides and methods of making the same An earth-boring bit part such as, for example, a bit body, roller cone, or mud nozzle includes a hybrid cemented carbide composite. The hybrid cemented carbide includes a cemented carbide dispersed phase, and a cemented carbide continuous phase. A method of manufact... | 12/04/2012 |
| 8318063 | Injection molding fabrication method A method of forming a composite article by injecting at least two composite materials comprising metal carbides into a mold to form a green compact is disclosed. The composite materials may be metal powders comprising a binder metal, a hard particle. The composite m... | 11/27/2012 |
| 8313691 | Lean austenitic stainless steel An austenitic stainless steel having low nickel and molybdenum and exhibiting comparable corrosion resistance and formability properties to higher nickel and molybdenum alloys comprises, in weight %, up to 0.20 C, 2.0-9.0 Mn, up to 2.0 Si, 16.0-23.0 Cr, 1.0-5.0 Ni, ... | 11/20/2012 |
| 8313592 | Thermal mechanical treatment of martensitic stainless steel A thermal mechanical treatment method includes hot working a precipitation hardening martensitic stainless steel, quenching the stainless steel, and aging the stainless steel. According to certain embodiments, the thermal mechanical treatment does not include soluti... | 11/20/2012 |
| 8312941 | Modular fixed cutter earth-boring bits, modular fixed cutter earth-boring bit bodies, and related methods A modular fixed cutter earth-boring bit body includes a blade support piece and at least one blade piece fastened to the blade support piece. A modular fixed cutter earth-boring bit and methods of making modular fixed cutter earth-boring bit bodies and bits also are... | 11/20/2012 |
| 8308530 | Abrasive cutting tool A tool for removing material from a surface includes a body defining a longitudinal bore and an opening connecting an outer surface of the body to the longitudinal bore. A cutting element comprising a cutting surface is dimensioned to be at least partially received ... | 11/13/2012 |
| 8308096 | Reinforced roll and method of making same An article in the form of one of a plate, a sheet, a cylinder, and a portion of a cylinder, which is adapted for use as at least a portion of a wear resistant working surface of a roll is disclosed. The article includes a metal matrix composite comprising a pluralit... | 11/13/2012 |
| 8302661 | Casting apparatus and method A nucleated casting apparatus including an atomizing nozzle configured to produce a droplet spray of a metallic material, a mold configured to receive the droplet spray and form a preform therein, and a gas injector which can limit, and possibly prevent, overspray f... | 11/06/2012 |
| 8272816 | Composite cemented carbide rotary cutting tools and rotary cutting tool blanks Composite articles, including composite rotary cutting tools and composite rotary cutting tool blanks, and methods of making the articles are disclosed. The composite article includes an elongate portion. The elongate portion includes a first region composed of a fi... | 09/25/2012 |
| 8241440 | Zirconium strip material and process for making same Methods for producing zirconium strips that demonstrate improved formability are disclosed. The zirconium strips of the present disclosure have a purity and crystalline microstructure suitable for improved formability, for example, in the manufacture of certain arti... | 08/14/2012 |
| 8230899 | Systems and methods for forming and processing alloy ingots Processes and methods related to producing, processing, and hot working alloy ingots are disclosed. An alloy ingot is formed including an inner ingot core and an outer layer metallurgically bonded to the inner ingot core. The processes and methods are characterized ... | 07/31/2012 |
| 8226884 | Method and apparatus for producing large diameter superalloy ingots Methods and apparatus for producing large diameter superalloy ingots are disclosed. A material comprising at least one of a metal and a metallic alloy is introduced into a pressure-regulated chamber in a melting assembly. The material is subjected to a wide-area ele... | 07/24/2012 |
| 8225886 | Earth-boring bits and other parts including cemented carbide An article of manufacture includes a cemented carbide piece and a joining phase that binds the cemented carbide piece into the article. The joining phase includes inorganic particles and a matrix material. The matrix material is a metal and a metallic alloy. The mel... | 07/24/2012 |
| 8221676 | Apparatus and method for clean, rapidly solidified alloys One non-limiting embodiment of an apparatus for forming an alloy powder or preform includes a melting assembly, an atomizing assembly, and a collector. The melting assembly produces at least one of a stream of a molten alloy and a series of droplets of a molten allo... | 07/17/2012 |
| 8221517 | Cemented carbide—metallic alloy composites A macroscopic composite sintered powder metal article including a first region including cemented hard particles, for example, cemented carbide. The article includes a second region including one of a metal and a metallic alloy selected from the group consisting of ... | 07/17/2012 |
| 8216339 | Apparatus and method for clean, rapidly solidified alloys One non-limiting embodiment of an apparatus for forming an alloy powder or preform includes a melting assembly, an atomizing assembly, and a field generating assembly, and a collector. The melting assembly produces at least one of a stream of a molten alloy and a se... | 07/10/2012 |
| 8192681 | Apparatus and method for clean, rapidly solidified alloys One non-limiting embodiment of an apparatus for forming an alloy powder or preform includes a melting assembly, an atomizing assembly, and a collector. The melting assembly produces at least one of a stream of a molten alloy and a series of droplets of a molten allo... | 06/05/2012 |
| 8187358 | Apparatus and method for clean, rapidly solidified alloys One non-limiting embodiment of an apparatus for forming an alloy powder or preform includes a melting assembly, an atomizing assembly, and a field generating assembly, and a collector. The melting assembly produces at least one of a stream of a molten alloy and a se... | 05/29/2012 |
| RE43387 | Anchored oxide coatings on hard metal cutting tools A cutting tool insert comprises a hard metal substrate having at least two wear-resistant coatings including an exterior ceramic coating and a coating under the ceramic coating being a metal carbonitride having a nitrogen to carbon-plus-nitrogen atomic ratio between... | 05/15/2012 |
| 8173328 | Interconnects for solid oxide fuel cells and ferritic stainless steels adapted for use with solid oxide fuel cells Various embodiments relate to interconnects for solid oxide fuel cells (“SOFCs”) comprising ferritic stainless steel and having at least one via that when subjected to an oxidizing atmosphere at an elevated temperature develops a scale comprising a manganese-chr... | 05/08/2012 |
| 8162572 | Cutting insert for high feed face milling A cutting insert for milling operations, such as, face milling, slot milling, plunge milling, and ramping operations. The cutting insert exhibits a combination of favorable cutting edge strength, and unique cutting edge geometry, thus, allowing milling operations at... | 04/24/2012 |
| 8158057 | Interconnects for solid oxide fuel cells and ferritic stainless steels adapted for use with solid oxide fuel cells Various embodiments relate to interconnects for solid oxide fuel cells (“SOFCs”) comprising ferritic stainless steel and having at least one via that when subjected to an oxidizing atmosphere at an elevated temperature develops a scale comprising a manganese-chr... | 04/17/2012 |
| 8156996 | Casting apparatus and method A nucleated casting apparatus including an atomizing nozzle configured to produce a droplet spray of a metallic material, a mold configured to receive the droplet spray and form a preform therein, and a gas injector which can limit, and possibly prevent, overspray f... | 04/17/2012 |
| 8147992 | ALOceramic tools with diffusion bonding enhanced layer The present invention relates to ceramic cutting tools, such as, an aluminum oxide with zirconium oxide ceramic cutting tool with diffusion bonding enhanced layer and CVD coatings, particularly useful for machining modern metal materials. The method comprises a chem... | 04/03/2012 |
| 8147171 | Antirotation tool holder and cutting insert The present invention relates to embodiments of a cutting tool holder having at least one insert pocket, wherein at least one insert pocket comprises a side surface and at least one antirotation stop protruding from the side surface. The antirotation stop may compri... | 04/03/2012 |
| 8137816 | Composite articles A composite article includes a first composite material and a second composite material. The first composite material and the second composite material individually comprise hard particles in a binder. A concentration of ruthenium in the binder of the first composit... | 03/20/2012 |
| 8048369 | Cobalt-nickel-chromium-molybdenum alloys with reduced level of titanium nitride inclusions A cobalt-nickel-chromium-molybdenum alloy useful in surgical implant applications includes, in weight percent based on total alloy weight, at least 20 cobalt, 33.0 to 37.0 nickel, 19.0 to 21.0 chromium, 9.0 to 10.5 molybdenum, and less than 30 ppm nitrogen. Embodime... | 11/01/2011 |
| 8048240 | Processing of titanium-aluminum-vanadium alloys and products made thereby A method of forming an article from an α−β titanium including, in weight percentages, from about 2.9 to about 5.0 aluminum, from about 2.0 to about 3.0 vanadium, from about 0.4 to about 2.0 iron, from about 0.2 to about 0.3 oxygen, from about 0.005 to about 0.3 ... | 11/01/2011 |
| 8025112 | Earth-boring bits and other parts including cemented carbide An article of manufacture includes a cemented carbide piece and a joining phase that binds the cemented carbide piece into the article. The joining phase includes inorganic particles and a matrix material. The matrix material is a metal and a metallic alloy. The mel... | 09/27/2011 |
| 8007922 | Articles having improved resistance to thermal cracking An article includes a working portion including cemented carbide, and a heat sink portion in thermal communication with the working portion. The heat sink portion includes a heat sink material having a thermal conductivity greater than a thermal conductivity of the ... | 08/30/2011 |
