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| Number | Title | Issue Date |
| 7360798 | Threaded joint for steel pipes A threaded joint for steel pipes comprising a pin 1 and a box 2 each having a contact surface comprising a threaded portion 3 or 4 and an unthreaded metal contact portion 8 is provided with improved anti-galling propertied by formi... | 04/22/2008 |
| 7341533 | CVT housing having wear-resistant bore A continuously variable transmission (CVT) includes an aluminum housing member having a bore formed therein. A rotatable pulley member is supported on a bearing within the bore. The bore includes a layer of thermal spray coating for improved wear resistance so that ... | 03/11/2008 |
| 7325593 | Radiating fin and radiating method using the radiating fin It is an object of the present invention to provide an inexpensive heat radiating fin having a high cooling effect. A coating metal layer consisting of a metallic material with an ionization tendency larger than that of silver is coated on a surface of a heat radiat... | 02/05/2008 |
| 7322099 | Method for producing heated components for injection moulding apparatus A method for producing components for injection moulding comprising a body made of thermally conducting material with expansion coefficient matching that of the insulating layers and provided with a passage for the material to be injected. At least one strip of elec... | 01/29/2008 |
| 7294404 | Graded photocatalytic coatings The invention provides graded photocatalytic coatings. In one aspect, the invention provides a substrate carrying a photocatalytic coating that includes a first graded film region and a second graded film region. The first graded film region has a substantially cont... | 11/13/2007 |
| 7288132 | Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance Cermets are provided in which a substantially stoichiometric metal carbide ceramic phase along with a reprecipitated metal carbide phase, represented by the formula MxCy, is dispersed in a metal binder phase. In MxCy M is ... | 10/30/2007 |
| 7282079 | Thermal spray powder A thermal spray powder includes cermet particles. Each cermet particle includes tungsten carbide particles having a mean primary particle size of 3 to 9 μm and metal particles or ceramic particles containing chrome. The mean particle size of the cermet particles is... | 10/16/2007 |
| 7279227 | Spraying piston ring A thermal spray coated piston ring having improved initial running-in propery, and having scuffing resistance and wear resistance is provided. The spray coating film (3) of the piston ring (1) contains from 2 to 40 mass % of Sn and from 5 to 50 mass % ... | 10/09/2007 |
| 7267344 | Piston ring with a PVD coating A piston ring for an internal combustion engine is made of steel and has an outer contact surface that is nitrated and coated to no more than 70 μm with a protective coating comprising nitrides of aluminum and/or silicium and/or zirconium in a matrix of chromium-ni... | 09/11/2007 |
| 7211323 | Hard and low friction nitride coatings and methods for forming the same An improved coating material possessing super-hard and low friction properties and a method for forming the same. The improved coating material includes the use of a noble metal or soft metal homogeneously distributed within a hard nitride material. The addition of ... | 05/01/2007 |
| 7179507 | Thermal spray compositions for abradable seals A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition includes a solid lubricant and a ceramic preferably comprising 5 to 60 wt % total of the composit... | 02/20/2007 |
| 7141110 | Erosion resistant coatings and methods thereof Erosion resistant coating processes and material improvements for line-of-sight applications. The erosion resistant coating composition includes nanostructured grains of tungsten carbide (WC) and/or submicron sized grains of WC embedded into a cobalt chromium (CoCr)... | 11/28/2006 |
| 7135240 | Thermal spray compositions for abradable seals A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition includes a solid lubricant and a ceramic preferably comprising 5 to 60 wt % total of the composit... | 11/14/2006 |
| 7128962 | Metallic material that can be worn away by abrasion; parts, casings, and a process for producing said material A material that can be worn away by abrasion, and a method of making the same, includes a substantially oxide free metal alloy based on nickel or cobalt or a ceramic. The material further includes at least one of particles of solid lubricant, closed pores, or surfac... | 10/31/2006 |
| 7117961 | Dynamic seal with soft interface A device and method for dynamically sealing between rotatable members such as a rolling cone of a rock bit. The assembly includes a seal ring having a facing surface of a relatively hard material, such as hardened steel or tungsten carbide, and a second seal ring of... | 10/10/2006 |
| 7111382 | Methods for fabricating redeposition free thin film CPP read sensors Methods are provided for forming current perpendicular to the plane thin film read heads. In one embodiment, the method comprises the steps of forming a lower sensor lead, forming a lower sensor lead cladding of a low sputter yield material on the lower sensor lead,... | 09/26/2006 |
| 7105205 | Densification of thermal spray coatings A thermal spray mixed with a substrate using a non-consumable cylindrical rotating tool. The process may be repeated to create a composite-like coating or material. The coating or material may be machine to improve surface quality. ... | 09/12/2006 |
| 7094474 | Composite powder and gall-resistant coating A composite powder includes an FeMo based first powder including between about 20% and about 55% by weight Fe and between about 45% and about 80% by weight of Mo. The composite powder also includes an aluminum bronze based second powder blended with the FeMo based f... | 08/22/2006 |
| 7074253 | Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance Cermets are provided in which a substantially stoichiometric metal carbide ceramic phase along with a reprecipitated metal carbide phase, represented by the formula MxCy, is dispersed in a metal binder phase. In MxCy M is ... | 07/11/2006 |
| 7059051 | Fluted roll and method for the manufacture thereof A method of manufacturing fluted rolls, in particular for corrugating machines, comprises the steps of providing a fluted-roll blank which has a central longitudinal axis and a longitudinal direction that is parallel thereto and a surface; providing a grinding devic... | 06/13/2006 |
| 7056400 | Method of separating superalloy metal powder from admixed contaminants A method is provided for separating superalloy metal powder from contaminants, such as process-produced contaminants, by enhancing the magnetic properties thereof, such as by oxidizing or leaching of chromium, for example, followed by magnetic separation of the cont... | 06/06/2006 |
| 7052527 | Thermal spray composition and method of deposition for abradable seals A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition comprises a mixture of metal-clad solid lubricant particles and unclad solid lubricants particles... | 05/30/2006 |
| 7028763 | Cooling arrangement and method with selected surfaces configured to inhibit changes in boiling state Heat transfer in coolant circuits, as in an internal combustion engine for example, can be beneficially enhanced by maintaining the coolant in a nucleate boiling state, but undesirable transitions to a film boiling state are then possible. The disclosed coolant circ... | 04/18/2006 |
| 7008462 | Thermal spray compositions for abradable seals A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition includes a solid lubricant and a ceramic preferably comprising 5 to 60 wt % total of the composit... | 03/07/2006 |
| 7001671 | Kinetic sprayed electrical contacts on conductive substrates The present invention is directed to electrical contacts that comprise spaced electrically conductive particles embedded and bonded into the surface of conductors in which the particles have been kinetically sprayed onto the conductors with sufficient energy to form... | 02/21/2006 |
| 6977060 | Method for making a high temperature erosion resistant coating and material containing compacted hollow geometric shapes A method for making a material system includes the steps of: providing a chamber, placing hollow geometric shapes in the chamber, closing the chamber, evacuating air from the chamber, feeding a binder for the shapes into the evacuated chamber to impregnate the geome... | 12/20/2005 |
| 6896933 | Method of maintaining a non-obstructed interior opening in kinetic spray nozzles A method of maintaining a non-obstructed interior opening in a kinetic spray nozzle is disclosed. The method includes the steps of providing a mixture of particles including first particle population and a second particle population; entraining the mixture of partic... | 05/24/2005 |
| 6887530 | Thermal spray compositions for abradable seals A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition includes a solid lubricant and a ceramic preferably comprising 5 to 60 wt % total of the composit... | 05/03/2005 |
| 6863930 | Refractory metal mask and methods for coating an article and forming a sensor In one embodiment, a method for coating an article, comprises: masking an area of an article with a mask comprising elemental tungsten at least on a surface of the mask opposite the article, heating a coating material, directing the material at the article and the m... | 03/08/2005 |
| 6833165 | Thermally sprayed coatings The present invention relates to a method including thermal spraying a chromium nitride or a chromium carbide and chromium silicide coating material on to an article. The coating material may be in a powder form before thermal spraying. In one aspect, the thermal sp... | 12/21/2004 |
| 6808756 | Thermal spray composition and method of deposition for abradable seals A thermal spray composition and method of deposition for abradable seals for use in gas turbine engines, turbochargers and steam turbines. The thermal spray composition comprises a mixture of metal-clad solid lubricant particles and unclad solid lubricants particles... | 10/26/2004 |
| 6797331 | Process for producing a chemical-resistant protective layer for a rotary body having a base body made from fiber-reinforced plastic A fiber-reinforced plastic base body is first of all provided with a coating of hard rubber or thermoplastic having a dispersed metal or ceramic content of 5% by volume to 80% by volume, and the coating is ground down to provide a smooth surface In a further step a ... | 09/28/2004 |
| 6727005 | PROCESS FOR THE MANUFACTURE OF LOW-DENSITY COMPONENTS, HAVING A POLYMER OR METAL MATRIX SUBSTRATE AND CERAMICS AND/OR METAL-CERAMICS COATING AND LOW DENSITY COMPONENTS OF HIGH SURFACE STRENGTH THUS OBTAINED Manufacturing low density components of high surface strength having a polymer or metal matrix substrate and ceramics and/or metal-ceramics coating, wherein the low density substrate to be coated is subjected to: optionally, machining the surface in order to generat... | 04/27/2004 |
| 6723387 | Multimodal structured hardcoatings made from micro-nanocomposite materials A thermal spray method for the fabrication of ceramic/metal and ceramic/ceramic hardcoating for wear applications. The method makes use of feedstock powder, composed of micron-scale aggregates of hard phase material particles that are either mixed or coated with a r... | 04/20/2004 |
| 6596960 | Electrical heating elements and method for producing same A method for the production of a heater element on a target area. A plurality of particles having a specified size range are prepared. The plurality of particles include a metallic alloy, and the metallic alloy includes boron. The particles are applied to... | 07/22/2003 |
| 6592947 | Method for selective control of corrosion using kinetic spraying The present invention relates to methods for selectively enhancing corrosion protection of fabricated metal parts. One method of the present invention includes providing a non-galvanized metal sheet to be processed to form the fabricated metal part; selec... | 07/15/2003 |
| 6572931 | Method of applying a ferrous coating to a substrate serving as a cylinder working surface of a combustion engine block To improve the machining and processing, respectively, as well as the tribologic properties of ferrous coatings for the working surfaces of combustion engine cylinder blocks applied by a plasma spraying operation, a ferrous coating having a content of bou... | 06/03/2003 |
| 6551664 | Method for making aluminum sheet and plate products more wear resistant A method for making an aluminum substrate that is subjected to repeated impaction more wear resistant. The method comprises applying at least about 0.005 inch thick coating of an amorphous composition directly to only portions of this substrate, preferabl... | 04/22/2003 |
| 6497922 | Method of applying corrosion, oxidation and/or wear-resistant coatings Corrosion-resistant, oxidation-resistant, and/or wear-resistant coatings are made of ternary ceramic compounds of the general formula (I): M2 X1 Z1 (I) wherein M is at least one transition metal, X is an element selected from ... | 12/24/2002 |
| 6491985 | Method for enhancing the surface of a metal substrate A method of treating the surface of a substrate by thermally spraying large size particles, >10 micrometers, of a composition such as a metal hydroxide, carbonate, or nitrate directly onto the substrate whereby a small size particle coating, | 12/10/2002 |
