Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 6974633 | Structural members having improved resistance to fatigue crack growth An extruded structural member having improved damage tolerance containing a base section (6); a stiffening section having at least one pair of structural stiffeners (10), the structural stiffeners integral with the base section (6) and projectin... | 12/13/2005 |
| 6908590 | Aluminum alloy All aluminum alloy is disclosed that includes 6.5 to 8.5 percent silicon, 0.6 to 1.0 percent iron, 0.0 to 0.5 percent manganese, 0.35 to 0.65 percent magnesium, 0.0 to 1.0 percent zinc, 0.0 to 0.2 percent titanium, 2.0 to 2.5 percent copper, and aluminum as the rema... | 06/21/2005 |
| 6846369 | Metal alloy product and method for producing same A method for producing a cast aluminum alloy article having high strength and/or toughness is provided. The method includes providing a molten aluminum alloy, centrifugally casting the molten aluminum alloy to form a cast body; and hot isostatically processing the c... | 01/25/2005 |
| 6786983 | Casting process and product An aluminum alloy product is provided that includes an ADC12 aluminum alloy, wherein the ADC12 aluminum alloy is cast into the product utilizing a high pressure, slow velocity casting technique. ... | 09/07/2004 |
| 6712915 | Formation and applications of AlCuFe quasicrystalline thin films Various articles of manufacture, such as electrosurgical scalpels, razor blades, electronic components and mechanical components having a quasicrystalline AlCuFe alloy film less than about 10,000 â„« thick. Such articles of manufacture may be formed by depositing (i... | 03/30/2004 |
| 6696175 | Unrecrystallized layer and associated alloys and methods The present invention provides aluminum alloys and layers formed in aluminum alloys as well as methods for their manufacture. Aluminum alloys of the present invention are provided with at least one discrete layer of uncrystallized grains formed therein. A... | 02/24/2004 |
| 6685782 | Component A suitable alloy of the alloy AlMgSi type employed for the manufacture of components having high capacity to absorb kinetic energy by plastic deformation contains, in wt. %, silicon 0.40 to 0.80 magnes... | 02/03/2004 |
| 6562154 | Aluminum sheet products having improved fatigue crack growth resistance and methods of making same Aluminum sheet products having highly anisotropic grain microstructures and highly textured crystallographic microstructures are disclosed. The products exhibit improved strength and improved resistance to fatigue crack growth, as well as other advantageo... | 05/13/2003 |
| 6406567 | Stress relieving of an age hardenable aluminium alloy product Stress relieving of an age hardenable aluminium alloy product after solution heat treatment and quenching, is carried out by a permanent cold plastic deformation applied by the steps: (a) applying a stress-relieving cold mechanical stretch to said product, ... | 06/18/2002 |
| 6350532 | Aluminum alloy composition and method of manufacture The invention relates to a recyclable aluminum foil. The foil is made of an alloy containing 0.2%-0.5% Si, 0.4%-0.8% Fe, 0.1%-0.3% Cu, and 0.05%-0.3% Mn by weight. with the balance aluminum and incidental impurities. The foil contains at least about 2% by... | 02/26/2002 |
| 6334911 | High-strength, high-ductility aluminum alloy An aluminum alloy having a composition represented by the general formula: Albal Cua Mb or Albal Cua Mb TMc wherein M represents one or two elements selected between Mn and Cr; TM represen... | 01/01/2002 |
| 6294030 | Formation and applications of AlCuFe quasicrystalline thin films Various articles of manufacture, such as electrosurgical scalpels, razor blades, and electronic components, comprise a quasicrystalline AlCuFe alloy film less than about 3000 Ã… thick, formed by depositing in sequence on a substrate through radio frequenc... | 09/25/2001 |
| 6267829 | Method of reducing the formation of primary platelet-shaped beta-phase in iron containing alSi-alloys, in particular in Al-Si-Mn-Fe alloys The present invention is a method for producing an iron-containing hypoeutectic alloy free from primary platelet-shaped beta-phase of the Al5 FeSi in the solidified structure by the steps (a) providing an iron-containing aluminum alloy having a... | 07/31/2001 |
| 6258463 | Anodized cryogenically treated aluminum The invention relates to a process for producing anodic coatings with superior corrosion resistance and other properties on aluminum and aluminum alloy surfaces by cryogenically treating the aluminum prior to anodizing. The invention also relates to the a... | 07/10/2001 |
| 6120621 | Cast aluminum alloy for can stock and process for producing the alloy An aluminum alloy strip useful for can stock having a thickness of less than or equal to about 30 mm, and containing large (Mn,Fe)Al6 intermetallics as principal intermetallic particles in said strip. The intermetallic particles have an average... | 09/19/2000 |
| 6113850 | 2XXX series aluminum alloy An A-rated, aluminum alloy suitable for machining, said alloy consisting essentially of: about 4-5.75 wt. % copper, about 0.2-0.9 wt. % bismuth, about 0.12-1.0 wt. % tin, the ratio of bismuth to tin ranging from about 0.8:1 to 5:1, up to about 0.7 wt. % i... | 09/05/2000 |
| 6074498 | Heat treated Al-Cu-Li-Sc alloys A dual aging treatment of aluminum-copper-lithium-scandium alloys allows preparation of alloys exhibiting superior physical properties as compared to the same alloys subjected to only a single aging. In particular, the difference between yield strength an... | 06/13/2000 |
| 5980604 | Spray formed multifunctional materials Spray atomization of molten metal and/or intermetallic matrix composites reinforced with ceramic particles is practiced by atomizing the matrix into micron sized droplets and depositing the semisolid droplets in a bulk deposition upon a temperature contro... | 11/09/1999 |
| 5948185 | Method for improving the hemmability of age-hardenable aluminum sheet An improved method of forming a severe bend or a hem in a sheet of wrought aluminum age-hardened and age-hardenable alloy includes heating the region to be bent or hemmed to a temperature above about 250° C. for a period of seconds and then quenching the... | 09/07/1999 |
| 5908709 | Material for sliding surface bearings A material for sliding surface bearings comprises a backing layer of steel and a clad-on layer made of an aluminum-base bearing material. To increase the fatigue limit the material 2 for sliding surface bearings has been heat-treated at 200 to 220° C. fo... | 06/01/1999 |
| 5803994 | Aluminum-copper alloy An essentially lead-free aluminum alloy is provided for extruded screw machine stock. The alloy consists essentially of from about 4.5% to about 6% copper, a maximum of about 0.4% silicon, a maximum of about 0.7% iron, not more than about 0.3% zinc, from ... | 09/08/1998 |
| 5766546 | High internal pressure forming of aluminum alloy hollow bodies An alloy suitable for manufacturing components out of a hollow body by high internal pressure forming contains, in wt. %, ______________________________________ Silicon 0.3 to 1.6 Magnesium 0.3 to 1.3 Iron ... | 06/16/1998 |
| 5759302 | Heat treatable Al alloys excellent in fracture touchness, fatigue characteristic and formability There is provided Al alloys which have improved and excellent fracture toughness and fatigue characteristic and improved formability, and which can be suitably used for transportation machines, such as aircraft, railway vehicles, general mechanical parts ... | 06/02/1998 |
| 5714018 | High-strength and high-toughness aluminum-based alloy A high-strength and high-toughness aluminum-based alloy having a composition represented by the general formula: Ala Nib Xc Md Qe, wherein X is at least one element selected from the group consisting ... | 02/03/1998 |
| 5676773 | Aluminum-lithium, aluminum-magnesium and magnesuim-lithium alloys of high toughness Aluminum-based products are disclosed which contain 0.5 to 4.5 wt % lithium and which further contain no more than 1 ppm of each of the alkali metal impurity elements sodium, potassium, rubidium, and cesium. The products are capable of being aged to a pea... | 10/14/1997 |
| 5618358 | Aluminum alloy composition and methods of manufacture A new aluminum based alloy having properties which mimic homogenized DC cast 3003 alloy and a low-cost method for manufacturing it are described. The alloy contains 0.40% to 0.70% Fe, 0.10% to less than 0.30% Mn, more than 0.10% to 0.25% Cu, less than 0.1... | 04/08/1997 |
| 5616189 | Aluminum alloys and process for making aluminum alloy sheet An alloy of aluminum containing magnesium, silicon and optionally copper in amounts in percent by weight falling within one of the following ranges: (1) 0.4ࣘMgࣘ0.8, 0.2ࣘSiࣘ0.5, 0.3ࣘCuࣘ3.5; (2) 0.8ࣘMgࣘ1.4, 0.2ࣘSiࣘ0.5, Cuࣘ2.5; and (3) 0.4à£... | 04/01/1997 |
| 5607523 | High-strength aluminum-based alloy A high-strength aluminum-based alloy consisting of a composition represented by the general formula: Albal Qa Mb Xc, wherein Q is at least one element selected from the group consisting of Mn and Cr; M is at lea... | 03/04/1997 |
| 5593515 | High strength aluminum-based alloy A high strength aluminum-based alloy, which having a composition of the general formula: Albal Qa Mb Xc Td, wherein Q represents at least one element selected from the group consisting of Mn, Cr, V, M... | 01/14/1997 |
| 5578144 | High-strength, high-ductility cast aluminum alloy and process for producing the same To provide a high-strength, high-ductility cast aluminum alloy, which enables a near-net shape product to be produced by improving the casting structure of an aluminum alloy, particularly by using specific constituents and controlling the cooling rate, an... | 11/26/1996 |
| 5547633 | Aluminum-titanium alloy The specification describes a ternary alloy of aluminium. The alloy described comprises from 80 to 96% by weight of aluminium and from 4 to 20% by weight of titanium and a third element selected from the group consisting of cobalt, chromium, copper, magne... | 08/20/1996 |
| 5525168 | Method of producing support for planographic printing plate Disclosed are (i) a method of producing a support for planographic printing plate, which comprises melting an aluminum ingot having an aluminum content of not less than 99.7 wt % to prepare a cast ingot, scalping the surface of the cast ingot, soaking the... | 06/11/1996 |
| 5455003 | Al-Cu-Li alloys with improved cryogenic fracture toughness A method is disclosed for the production of aluminum-copper-lithium alloys that exhibit improved strength and fracture toughness at cryogenic temperatures. Improved cryogenic properties are achieved by controlling the composition of the alloy, along with ... | 10/03/1995 |
| 5439536 | Method of minimizing strength anisotropy in aluminum-lithium alloy wrought product by cold rolling, stretching and aging Strength anisotropy of aluminum-lithium alloy wrought products is reduced by subjecting these types of alloys to improved T8 temper practice. The wrought product, after solution heat treating and quenching, is subjected to a combination of cold rolling an... | 08/08/1995 |
| 5422066 | Aluminum-lithium, aluminum-magnesium and magnesium-lithium alloys of high toughness Aluminum-base alloys in a peak-aged condition and magnesium-base alloys in the form of cast products and wrought products capable of having improved combinations of yield strength and fracture toughness are disclosed. The aluminum-base alloy products are ... | 06/06/1995 |
| 5383986 | Method of improving transverse direction mechanical properties of aluminum-lithium alloy wrought product using multiple stretching steps Strength and ductility for a aluminum-lithium alloy wrought product in the transverse direction is improved by subjecting these types of alloys to improved T8 temper practice. The wrought product, after solution heat treating and quenching is subjected to... | 01/24/1995 |
| 5300157 | Aluminum-based intermetallic compound with high toughness and high wear resistance An Al-based intermetallic compound in which a eutectic crystal type Al-CuMn intermetallic compound dispersion phase is dispersed in an Al-Cu intermetallic compound matrix phase. The content of Mn as a eutectic crystal-forming element contained in the disp... | 04/05/1994 |
| 5234662 | Low density aluminum lithium alloy Aluminum based alloy primarily for use in aircraft and aerospace components consists essentially of the composition: 2.60 to 3.30 weight percent copper, 0.0 to 0.50 weight percent manganese, 1.30 to 1.65 weight percent lithium, 0.0 to 1.8 percent magnesiu... | 08/10/1993 |
| 5194102 | Method for increasing the strength of aluminum alloy products through warm working A method of improving strength in aluminum alloys. The method involves solution heat treating an aluminum alloy product, quenching the alloy product, warm working the alloy product without a pre-aging step, and aging the alloy product at 250°-400° F. ... | 03/16/1993 |
| 5178695 | Strength enhancement of rapidly solidified aluminum-lithium through double aging A component consolidated from a rapidly solidified aluminum-lithium alloy containing copper, magnesium and zirconium is subjected to a preliminary aging treatment at a temperature of about 400° C. to 500° C. for a time period of about 0.5 to 10 hours; q... | 01/12/1993 |
