...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8158273 | Aluminium alloy brazing sheet product The invention relates to an aluminum alloy brazing sheet including: a thin covering material layer, a core material layer, and an Al—Si alloy brazing material layer as an intermediate material interposed between the thin covering material and the core material. Th... | 04/17/2012 |
| 8142907 | Aluminum alloy brazing sheet having high-strength and production method therefor An aluminum alloy brazing sheet having high strength comprising: a core alloy; an Al—Si-based filler alloy cladded on one side or both sides of the core alloy, wherein the core alloy is composed of an aluminum alloy containing 0.3-1.2% (mass %, the same app... | 03/27/2012 |
| 8062764 | Aluminum alloy brazing sheet and aluminum alloy tube for heat exchanger The present invention relates to an aluminum alloy brazing sheet (1) for a heat exchanger improved in a life including a fatigue in a plastic area and an aluminum alloy heat exchanger tube (11) using the brazing sheet, which is composed of: a core mate... | 11/22/2011 |
| 8053088 | Slide member A slide member provided with an Al-based alloy layer including Si and having a first contoured surface having first planar surfaces and first convexities consisting of Si particles protruding from the first planar surfaces; an intermediate layer that coats the Al-ba... | 11/08/2011 |
| 8053087 | Antifriction composite, use of the antifriction composite, and method for producing the antifriction composite The invention relates to an antifriction composite comprising a metal support layer, an intermediate layer produced from an aluminum alloy and a bearing layer produced from an aluminum alloy. The components of the aluminum alloys of the intermediate layer and the be... | 11/08/2011 |
| 7989087 | Brazing fin material for heat exchangers, heat exchanger, and method of manufacturing same A brazing fin material for heat exchangers includes a core material and a filler metal clad on each side of the core material, wherein the core material is an aluminum alloy including manganese, the filler metal is an aluminum alloy including 6 to 9.5 mass % of sili... | 08/02/2011 |
| 7968211 | Aluminium composite sheet material Automotive body sheet in the form of an aluminium composite sheet material wherein a clad sheet is applied to at least one side of a core material, and wherein the core material is of an aluminium alloy selected from the group consisting of aa2xxx, aa5xxx and aa7xxx... | 06/28/2011 |
| 7951468 | Method of unidirectional solidification of castings and associated apparatus Molten metal is injected uniformly into a horizontal mold from a feed chamber in a horizontal or vertical direction at a controlled rate, directly on top of the metal already within the mold. A cooling medium is applied to the bottom surface of the mold, with the ty... | 05/31/2011 |
| 7939182 | Filler wire for welding aluminum alloys An aluminum-based welding filler wire is made with an aluminum alloy that contains between 0.1 and 6 wt. % titanium, including one portion in the form of TiB2 particles, TiC particles, or a combination thereof, and another portion in the form of free tita... | 05/10/2011 |
| 7901789 | Aluminium composite sheet material Automotive body sheet in the form of an aluminium composite sheet material wherein a clad sheet is applied to at least one side of a core material, and wherein the core material is of an AA6xxx-series alloy, and wherein the clad sheet includes an AA5xxx-series alloy... | 03/08/2011 |
| 7862903 | Monolithic and bi-functional extruded structural element The invention relates to a bi-functional extruded structural element, particularly a stringer for aeronautical construction, comprising a base that can be fixed on a surface, and a body, wherein the base comprises a first aluminum-based alloy, and further wherein th... | 01/04/2011 |
| 7781071 | Aluminum alloy tube and fin assembly for heat exchangers having improved corrosion resistance after brazing The present invention provides extruded tubes for heat exchangers having improved corrosion resistance when used alone and when part of a brazed heat exchanger assembly with compatible finstock. The tubes are formed from a first aluminum alloy containing 0.4 to 1.1%... | 08/24/2010 |
| 7771839 | Aluminum alloy brazing sheet An aluminum alloy brazing sheet which has a clad of a sacrificial anode material/a core alloy/an intermediate material/a filler alloy, wherein number density ratios N1/N2 and N1/N3 each are 1.5 or more, in which a number d... | 08/10/2010 |
| 7771840 | Aluminum alloy plate and heat exchanger formed thereof There are provided an aluminum alloy plate having high strength and excellent corrosion resistance even though the plate is made thinner, and a heat exchanger formed thereof. In an aluminum alloy plate having a core material and a surface material cladded on at leas... | 08/10/2010 |
| 7749613 | Multilayer braze-able sheet A multi-layer aluminum brazing sheet including a core layer, interliner, braze clad layer and a sacrificial layer, in which the post-braze strength of the brazing sheet is optimized by controlling the manganese (Mn), silicon (Si), copper (Cu) and magnesium (Mg) cont... | 07/06/2010 |
| 7732059 | Heat exchanger tubing by continuous extrusion A heat exchanger tube having enhanced corrosion resistance and improved resistance to high burst pressures. The heat exchanger tube comprises an aluminum alloy that consists essentially of about 0.01-1.5% silicon, up to about 1.2% copper, up to about 2.0% manganese,... | 06/08/2010 |
| 7691489 | High strength long-life aluminium tube material with high sagging resistance An aluminum alloy, a clad or unclad material for a brazed product containing the alloy as a core, and a method for producing the material, wherein the material is used for manufacturing the brazed product from the alloy. ... | 04/06/2010 |
| 7648776 | Multi-layered brazing sheet A multi-layered brazing sheet with improved long life corrosion resistance achieved by balancing the Zn, Cu, Mn, Si and Mg content of the core and interliner alloy. The brazing sheet has a core of a 3xxx alloy, an inner braze cladding of a 4xxx alloy, and between co... | 01/19/2010 |
| 7611778 | Simultaneous multi-alloy casting A method of casting a multi-layered metal ingot including the steps of delivering a metallic divider member into a direct chill mold, pouring a first molten metal into the mold on one side of the divider member, and pouring a second molten metal into the mold on the... | 11/03/2009 |
| 7608345 | Method of producing an aluminium alloy brazing sheet and light brazed heat exchanger assemblies A method of producing an aluminium alloy brazing sheet for the manufacturing of light brazed assemblies, wherein said brazing sheet has good formability, combined with a low susceptibility to core penetration in the end annealed as-produced condition after stretchin... | 10/27/2009 |
| 7514155 | High strength aluminium alloy brazing sheet Disclosed is a high strength aluminium alloy brazing sheet, including an Al—Cu core layer and at least one clad layer, the core layer having the following composition (in weight percent): Cu: 1.2-4.0, Mn: 0.06-1.5, Mg: 0.06-1.5, Si: up to 0.5, Zn: ≦0.4, Zr: ≦0... | 04/07/2009 |
| 7485374 | Heat exchanger and fin material for the heat exchanger A heat exchanger which has i) a fin material comprising a triple-layer clad material constituted of a core material composed of an aluminum alloy containing from 0.5 to 1.8% by weight of Mn and from 0.5 to 3.0% by weight of Zn and, provided on both sides of the core... | 02/03/2009 |
| 7407714 | Process by producing an aluminium alloy brazing sheet, aluminium alloy brazing sheet Disclosed is a process for producing an Al—Mn alloy sheet with improved liquid film migration resistance when used as core alloy in brazing sheet, including the steps of: casting an ingot having a composition comprising (in weight percent): 0.5 | 08/05/2008 |
| 7407713 | Simultaneous multi-alloy casting A method of casting a multi-layered metal ingot including the steps of delivering a metallic divider member into a direct chill mold, pouring a first molten metal into the mold on one side of the divider member, and pouring a second molten metal into the mold on the... | 08/05/2008 |
| 7405010 | Metal/rubber composite for tire A metallic body of carbon steel covered with an adhesive layer capable of adhering to a rubber matrix based on diene elastomer. The carbon content of the steel is between 0.35 and 1.2% by weight. The adhesive layer is formed of a metallic layer bearing aluminum oxid... | 07/29/2008 |
| 7387844 | Aluminum alloy composite for brazing and heat exchanger including the same An Al—Si based brazing material is formed on one surface of a core material, and a cladding material is formed on the other surface of the core material with a cladding ratio of 6 to 30% with respect to an entire thickness thereof. The core material contains 0.2 m... | 06/17/2008 |
| 7374827 | Recovered high strength multi-layer aluminum brazing sheet products A metallurgical product consists essentially of a core aluminum alloy, purposefully tailored through chemistry and processing route to resist recrystallization during the brazing cycle to intentionally exploit the higher strengths immediately after brazing of a defo... | 05/20/2008 |
| 7353980 | Process for producing aluminum-containing honeycomb bodies using radiant heaters A method for producing aluminum-containing honeycomb bodies includes providing at least partly structured aluminum-based metal foils. The at least partly structured metal foils are stacked and/or wound to form a honeycomb structure having passages. The metal foils a... | 04/08/2008 |
| 7353981 | Method of making a composite metal sheet A composite metal sheet for use in making lightweight cookware or as a food warming tray comprising a layer of aluminum roll bonded to a layer of stainless steel defining a food-contacting surface on a first side. The food warming tray embodiment also includes a lay... | 04/08/2008 |
| 7338741 | Lithographic printing plate precursor and lithographic printing method A lithographic printing plate precursor comprises: an aluminum support that has been subjected to an alkali metal silicate treatment; and an image-recording layer comprising (A) an infrared absorbent, (B) a polymerization initiator and (C) a polymerizable compound, ... | 03/04/2008 |
| 7300707 | Aluminium composite structure having a channel therein and method of manufacturing the same To provide an aluminium composite structure having a highly airtight channel therein, including: a core material having a concave groove on a surface; a covering material made up of aluminium or aluminium alloy which covers the surface of the core material other tha... | 11/27/2007 |
| 7294411 | Brazing product and method of its manufacture The invention relates to a brazing sheet product comprising a core sheet, a clad layer on said core sheet made of an aluminum alloy containing silicon in an amount in the range of 4 to 14% by weight, an optional layer comprising nickel on the outersurface of said cl... | 11/13/2007 |
| 7260972 | Method for production of stamped sheet metal panels Sheet metal parts having significantly strained portions, such as aluminum alloy body panels, can be formed by a sequence of steps comprising preform shape stamping, preform annealing and final shape stamping. The shape of the desired part is analyzed to identify po... | 08/28/2007 |
| 7255932 | Ultra-longlife, high formability brazing sheet The present invention relates to multiple layer aluminum brazing sheet having a core, a braze cladding, and an interliner therebetween that, when fabricated in the fully annealed condition (O-temper), forms a continuous and dense dispersoid band in the core in addit... | 08/14/2007 |
| 7250223 | Aluminum heat exchanger excellent in corrosion resistance The present invention provides a heat exchanger which is assembled by brazing an aluminum fin material to the outer surface of an aluminum tube material formed by bending a sheet material, in particular, an aluminum heat exchanger which can be suitably used as an au... | 07/31/2007 |
| 7247392 | Aluminum alloy heat exchanger and method of producing the same An aluminum alloy heat exchanger having a tube composed of a thin aluminum alloy clad material, wherein, in the clad material, one face of an aluminum alloy core material containing Si 0.05–1.0 mass % is clad with an Al—Si-series filler material containing Si 5â... | 07/24/2007 |
| 7244514 | Corrosion resistant part A corrosion resistant part comprises an aluminum alloy part main body, an alumite layer disposed on the part main body, and a corrosion resistant layer disposed on the alumite layer. The part main body has a normal portion and a flawed portion so that the alumite la... | 07/17/2007 |
| 7240717 | Multiple ignition source exothermic reaction mold device A multiple ignition source exothermic reaction mold device. The mold device includes a crucible in a block with an open top for receiving exothermic reaction powder. A lid covering the open top has an opening therethrough. A receptacle in the lid is in communication... | 07/10/2007 |
| 7235310 | Hillock-free aluminum layer and method of forming the same A hillock-free conductive layer comprising at least two aluminum (Al) layers formed on a substrate, wherein said at least two Al layers comprise a barrier Al layer formed on the substrate, and a pure Al layer formed on the barrier Al layer. The barrier Al layer coul... | 06/26/2007 |
| 7229700 | Corrosion-resistant coating for metal substrate A novel coating composition is provided for imparting corrosion and wear resistance to metal substrates. The novel coating composition is thermally applied and comprises an aluminum alloy mixed with a hard, inert matrix. The coating composition has found particular ... | 06/12/2007 |