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| Number | Title | Issue Date |
| 7326360 | Cobalt ferrite based magnetostrictive materials for magnetic stress sensor and actuator applications Magnetostrictive material based on cobalt ferrite is described. The cobalt ferrite is substituted with transition metals (such manganese (Mn), chromium (Cr), zinc (Zn) and copper (Cu) or mixtures thereof) by substituting the transition metals for iron or cobalt to f... | 02/05/2008 |
| 7247186 | 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,... | 07/24/2007 |
| 7217388 | Method for preparing reinforced platinum material The present invention provides a method in which a strengthened platinum material can be produced, in which no blisters occur on the surface of the material even after heat treatment of 1,400° C. or higher and a metal oxide such as zirconium oxide is finely dispers... | 05/15/2007 |
| 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 |
| 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 |
| 7147686 | Rare earth magnet, method for manufacturing the same, and motor using rare earth magnet A rare earth magnet comprises rare earth magnet particles and a rare earth oxide being present between the rare earth magnet particles. The rare earth oxide is represented by a following general formula (I): R2O3 (I) | 12/12/2006 |
| 7037229 | Hydraulic tensioner A hydraulic tensioner includes a cylinder having a hollow space filled with hydraulic oil. A plunger is slidably mounted in the cylinder. A pushrod is mounted in the hollow space so as to be axially movable together with the plunger with one end thereof protruding f... | 05/02/2006 |
| 7026908 | Extended temperature range thermal variable-resistance device A sensor and method of manufacturing an extended temperature range variable resistance sensor that is cost effective and highly reliable, with stable resistance with an operating range of up to 1700° C. in hostile environments. The sensor is formed of highly stable... | 04/11/2006 |
| 6984271 | Rare earth magnet, process for producing same, and motor using rare earth magnet A rare earth magnet to be used in a motor. The rare earth magnet comprises rare earth magnet particles. Additionally, a rare earth oxide is present among the rare earth magnet particles, the rare earth oxide being represented by the following general formula (I): | 01/10/2006 |
| 6946395 | Devices containing zirconium-platinum-containing materials and methods for preparing such materials and devices Methods for forming materials containing both zirconium and platinum, such as platinum-zirconium films, and articles containing such materials. The resultant films can be used as electrodes in an integrated circuit structure, particularly in a memory device such as ... | 09/20/2005 |
| 6934134 | Direct current load breaking contact point constitution and switching mechanism therewith The invention intends to provide a direct current load breaking contact point constitution that can make and break an electrical circuit under both direct current loads of direct current resistance load and direct current inductance load over a long period of time w... | 08/23/2005 |
| 6808807 | Coated ferromagnetic particles and composite magnetic articles thereof A coated ferromagnetic particle comprises a ferromagnetic core and a coating. The coating comprises a residue resulting from a thermal treatment of a coating material comprising a polymer selected from the group consisting of polyorganosiloxanes, polyorganosilanes, ... | 10/26/2004 |
| 6500225 | Method for producing high density indium-tin-oxide sintered body A method for producing an indium-tin-oxide sintered body comprising the steps of; molding a powder comprising indium, tin and oxygen, and sintering the molded article in oxygen gas-containing atmosphere, wherein the halogen content of the powder comprising indium, ... | 12/31/2002 |
| 6352649 | Material for magnetostrictive sensors and other applications based on ferrite materials The present invention provides magnetostrictive composites that include an oxide ferrite and metallic binders which provides mechanical properties that make the magnetostrictive compositions effective for use as sensors and actuators.... | 03/05/2002 |
| 6302939 | Rare earth permanent magnet and method for making same A rare earth permanent magnet alloy having a composition expressed as Rx F100-(x+y+z+m+n) By Tz Mm Dn. In this formula, R is one or more of rare earthy elements, such as neodymium, lanthanu... | 10/16/2001 |
| 6254660 | Corrosion-resistant alloy, preparation process and article made from the alloy The invention relates to a Cr2 O3 -forming alloy that is resistant to oxidization and/or corrosion at high temperature, especially by glass, characterized in that it contains, in dispersion within its matrix, chromium oxide Cr2 | 07/03/2001 |
| 6150048 | Metallic interconnection material for solid oxide fuel cell and method for preparing the same Disclosed are a metallic interconnection material for solid oxide fuel cells and a preparation method thereof. The metallic interconnection material has two fine microstructural phases in which 5-25% by volume of LaCrO3 is dispersed at the grai... | 11/21/2000 |
| 6093337 | Material for magnetostrictive sensors and other applications based on ferrite materials The present invention provides magnetostrictive compositions that include an oxide ferrite which provides mechanical properties that make the magnetostrictive compositions effective for use as sensors and actuators.... | 07/25/2000 |
| 6090191 | Compound for producing a metal-ceramic coating The invention relates to the field of producing the means for protecting the alloys on the nickel base against the influence of corrosive media, and more particularly concerns the metal-ceramic coatings used for protecting the flow parts of the turbines o... | 07/18/2000 |
| 6004370 | Sintered friction material A sintered friction material especially suitable for use in a braking system has a matrix of a copper-system metal such as copper, tin, nickel and aluminum, and contains a specific additive, graphite and potassium titanate as friction conditioners. The sp... | 12/21/1999 |
| 5989673 | Caromium-tantalum oxides (Cr-TaOx), sputtering targets and thin film seedlayer/sublayers for thin film magnetic recording media Chromium-tantalum oxides (Cr-TaOx), including chromium-tantalum pentoxide (Cr-Ta2 O5), chromium-tantalum tetrioxide (Cr-Ta2 O4 or Cr-TaO2), sputtering targets containing them, and their man... | 11/23/1999 |
| 5935485 | Piezoelectric material and piezoelectric element A piezoelectric material includes a PZT ceramic, and a noble metal component. The noble metal component is added to the PZT ceramic in an amount of 0.35 parts by volume or more with respect to 100 parts by volume of the PZT ceramic, and is at least one el... | 08/10/1999 |
| 5830257 | Manufacturing method for alumina-dispersed reinforced copper A manufacturing method for an alumina-dispersed reinforced copper alloy according to the invention is an improved method which is capable of manufacturing efficiently alumina-dispersed reinforced copper having both good electro-conductivity used for wire-... | 11/03/1998 |
| 5824220 | Inorganic porous support for a filter membrane, and method of manufacture The invention relates to an inorganic support obtained by sintering and intended to constitute a support for a filter membrane, the support comprising: an inorganic feedstock having a grain size greater than 20 μm and constituted by a metal compound cont... | 10/20/1998 |
| 5822674 | Electrical contact material and method of making the same A material for electric contacts based on silver-tin oxide is obtained by mixing a powder of silver or an alloy mainly containing silver with a powder consisting mainly of tin oxide and 0.01 to 10 wt. % (in relation to the quantity of tin oxide) of an add... | 10/13/1998 |
| 5798468 | Sintering material containing silver-tin oxide for electrical contacts and process for its manufacture An electrical contact material for switching rated currents between 20 and 100 Ampere having improved operational life made of 3.2 to 19.9 wt-% tin oxide and 0.05 to 0.4 wt-%, in each case, of indium oxide and bismuth oxide, the remainder being silver. In... | 08/25/1998 |
| 5796017 | Silver-based contact material, use of such a contact material, in switchgear for power engineering applications and method of manufacturing the contact material Contact material based on silver, use of such a contact material in a switching device in power engineering, and process for preparing the contact material. For contact pieces in low-voltage switches, in particular, substitute materials based on silver-ir... | 08/18/1998 |
| 5789686 | Composite cermet articles and method of making Methods for making, methods for using and articles comprising cermets, preferably cemented carbides and more preferably tungsten carbide, having at least two regions exhibiting at least one property that differs are discussed. Preferably, the cermets furt... | 08/04/1998 |
| 5762768 | Target for cathodic sputtering and method for producing the target The targets for cathodic sputtering according to this invention are formed of hot-pressed or hot isostatic-pressed indium oxide/tin oxide powder with a minimum density of 95% of the theoretical density and with a sub-stoichiometric oxygen content are know... | 06/09/1998 |
| 5728638 | Metal/ceramic composites containing inert metals The invention is directed to a non-vapor phase process for forming a metal/ceramic composite containing a relatively inert metal such as silver, copper, or nickel by the reaction of a reactive metal or metal alloy containing the inert metal, and a sacrifi... | 03/17/1998 |
| 5610347 | Material for electric contacts taking silver-tin oxide or silver-zinc oxide as basis The invention relates to a material for electric contacts taking silver tin-oxide as basis, consisting of silver or mainly silver-containing alloy, tin oxide and other oxides or carbides of tungsten, molybdenum, vanadium, bismuth, titanium, and/or copper.... | 03/11/1997 |
| 5599377 | Mixed iron powder for powder metallurgy A mixed iron powder for powder metallurgy containing less than about 0.1 wt % of Mn, about 0.08 to 0.15 wt % of S, a total of about 0.05 to 0.70 wt % of one or more compounds selected from MoO3 and WO3, about 0.50 to 1.50 wt % of gra... | 02/04/1997 |
| 5565387 | Electrical heating element, related composites, and composition and method for producing such products using dieless micropyretic synthesis Electrical heating elements and related articles having oxidation resistance at high temperatures, produced by a method involving micropyretic synthesis. A composition subjected to micropyretic synthesis comprises a filler material, a reactive system capa... | 10/15/1996 |
| 5501728 | Friction material The present invention relates to a friction material for use in manufacturing various friction bearing components such as brakes, clutches, couplings, transmission systems and the like. The composition of the friction material includes a base friction mat... | 03/26/1996 |
| 5486229 | Raw material for producing ferrite dust for friction elements and method of reducing the same A raw material for producing ferrite dust for friction elements and a method of producing reduced ferrite dust, capable of using, as the raw material, various collected sludge and dust which are by-products obtained at iron factories. The sludge has solid... | 01/23/1996 |
| 5486222 | Sintered composite materials for electric contacts in power technology switching devices and process for producing them Contact materials with the composition AgSnO2 Bi2 O3 CuO have proven themselves, particularly for low-voltage switching devices. These materials can contain an additive of other metal oxides. In addition to the required us... | 01/23/1996 |
| 5443615 | Molded ceramic articles A method of producing a molded ceramic article comprises the first step mixing powdery raw materials and a liquid additive, thereby obtaining a mixed raw material, the second step press-molding the mixed raw material obtained in the first step in a hydros... | 08/22/1995 |
| 5350628 | Magnetic sintered composite material A magnetic material is provided which includes a discrete phase including grains made of a first substance which comprises a magnetic metal; and a continuous phase including a thin coating film made of a second substance which comprises a dielectric or in... | 09/27/1994 |
| 5312582 | Porous structures from solid solutions of reduced oxides A process for producing porous structures for use in molten carbonate fuel cells in which a powder comprising at least one of a non-alloyed metal powder and a metal oxide powder, and a ceramic oxide powder is mixed, formed into a desired shape and sintere... | 05/17/1994 |
| 5308376 | Cermet having different types of duplex hard constituents of a core and rim structure in a Co and/or Ni matrix A cermet in which the hard constituents are based on Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and/or W and the binder phase is based on Co and/or Ni and possibly small amounts of Al being present. At least 80% by volume of the hard constituents consist of duplex str... | 05/03/1994 |