Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7262505 | Selective electroless-plated copper metallization Structures and methods are provided which include a selective electroless copper metallization. The present invention includes a novel methodology for forming copper vias on a substrate, including depositing a thin film seed layer of Palladium (Pd) or Copper (Cu) on... | 08/28/2007 |
| 7225856 | Precipitation-hardenable alloy core rod, plunger tip having a uniform side wall thickness, and method of forming same A core rod is utilized in the process of forming a core in a metal casting. The core rod has a length and opposite ends The core rod is generally round in cross-section along at least a portion of the length of the core rod proximate at least one of the ends configu... | 06/05/2007 |
| 7138084 | Refractory articles A filter for molten metal is an open-pored porous material comprising particles of refractory material embedded in and bonded together by a carbon matrix bonding material. The filter can be made by forming a porous article from refractory particles, e.g. refractory ... | 11/21/2006 |
| 7123474 | Damping apparatus A damping apparatus which includes a first member joined to a first object; a second member joined to a second object; and a vibration absorbing member installed between the first and second members for absorbing vibration. At least one of the first and second membe... | 10/17/2006 |
| 7091611 | Multilevel copper interconnects with low-k dielectrics and air gaps Structures and methods are provided for an improved multilevel wiring interconnect in an integrated circuit assembly. The present invention provides for a multilayer copper wiring structure by electroless, selectively deposited copper in a streamlined process which ... | 08/15/2006 |
| 7074254 | Binder for powder metallurgy, mixed powder for powder metallurgy and method for producing same The invention aims to provide a binder for powder metallurgy, the binder containing an epoxy resin which is liquid at room temperature and a curing agent having at least one functional group selected from the group consisting of amino, mercapto and carboxyl groups. ... | 07/11/2006 |
| 7073559 | Method for producing metal fibers A method of producing metal fibers including melting a mixture of at least a fiber metal and a matrix metal, cooling the mixture to form a bulk matrix comprising at least a fiber phase and a matrix phase and removing at least a substantial portion of the matrix phas... | 07/11/2006 |
| 7067421 | Multilevel copper interconnect with double passivation Structures and methods provide multilevel wiring interconnects in an integrated circuit assembly which alleviate problems associated with integrated circuit size and performance and include methods for forming multilevel wiring interconnects in an integrated circuit... | 06/27/2006 |
| 7063815 | Production of composite materials by powder injection molding and infiltration Metal-metal or metal-ceramic/carbide composite materials are fabricated by combination of powder injection molding and infiltration. This is achieved by first forming a composite system having a matrix component and an infiltrant layer. The matrix component is forme... | 06/20/2006 |
| 7025112 | Pretreatment processing of metal-matrix carbide power for mold casting of products A metal-matrix material in the form of a carbide powder together with a sodium fluoride flux is deposited as a charge within a crucible for induction heating thereof to a flux melting temperature to thereby initiate pretreatment. The molten flux is spread over and c... | 04/11/2006 |
| 6995470 | Multilevel copper interconnects with low-k dielectrics and air gaps Structures and methods are provided for an improved multilevel wiring interconnect in an integrated circuit assembly. The present invention provides for a multilayer copper wiring structure by electroless, selectively deposited copper in a streamlined process which ... | 02/07/2006 |
| 6943090 | Aluminum-beryllium alloys for air bridges A typical air bridge is an aluminum conductor suspended across an air-filled cavity to connect two components of an integrated circuit, two transistors for example. The air-filled cavity has a low dielectric constant which reduces cross-talk between neighboring cond... | 09/13/2005 |
| 6935555 | Method of brazing and article made therefrom A method of brazing stainless steel components to form a complex shape such as an impeller. The method includes the steps of providing the stainless steel components shaped and formed from a selected stainless steel alloy; providing a brazing alloy having a selected... | 08/30/2005 |
| 6923829 | Implantable expandable medical devices having regions of differential mechanical properties and methods of making same An implantable expandable medical device in which selected regions of the device are in a martensite phase and selected regions are in an austenite phase. The martensitic regions exhibit pseudoplastic behavior in vivo and may be deformed without recovery under in vi... | 08/02/2005 |
| 6923942 | Compressible preform insulating liner The invention provides a preform insulating end cone suitable for forming the end cone of a pollution control device. The preform insulating end cone includes a cone shaped intumescent or non-intumescent sheet material. The sheet material has a plurality of slits en... | 08/02/2005 |
| 6852425 | Photobiomolecular deposition of metallic particles and films The method of the invention is based on the unique electron-carrying function of a photocatalytic unit such as the photosynthesis system I (PSI) reaction center of the protein-chlorophyll complex isolated from chloroplasts. The method employs a photo-biomolecular me... | 02/08/2005 |
| 6830822 | Inorganic colors and related nanotechnology A pigment with modified properties because of the powder size being below 100 nanometers. Blue, yellow and brown pigments are illustrated. Nanoscale coated, un-coated, whisker inorganic fillers are included. Stoichiometric and non-stoichiometric composition are disc... | 12/14/2004 |
| 6764772 | Sandwich material A sandwich material comprising two metal plates affixed to and separated by a fibrous core, is characterised in that the core comprises a three-dimensional porous network comprising metal fibres, wherein substantially all of the fibres are inclined at an acute angle... | 07/20/2004 |
| 6635348 | Aerosol method and apparatus, particulate products, and electronic devices made therefrom Provided is an aerosol method, and accompanying apparatus, for preparing powdered products of a variety of materials involving the use of an ultrasonic aerosol generator (106) including a plurality of ultrasonic transducers (120) underlying and ultrasonic... | 10/21/2003 |
| 6635357 | Bulletproof lightweight metal matrix macrocomposites with controlled structure and manufacture the same The lightweight bulletproof metal matrix macrocomposites (MMMC) contain (a) 10-99 vol. % of permeable skeleton structure of titanium, titanium aluminide, Ti-based alloys, and/or mixtures thereof infiltrated with low-melting metal selected from Al, Mg, or ... | 10/21/2003 |
| 6621033 | Electrical discharge machining apparatus A layered anisotropically conductive element, a resistant element, and a feed element constitute an electrode for discharge machining. The layered anisotropically conductive element includes high conductivity layers and low conductivity layers alternately... | 09/16/2003 |
| 6447927 | Fiber reinforced aluminum matrix composite A composite metal matrix formed of polycrystalline -Al2 O3 fibers encapsulated within a matrix of substantially pure elemental aluminum, or an alloy elemental aluminum and up to about 2% copper is disclosed. The resulting mate... | 09/10/2002 |
| 6413649 | Silver-copper-nickel infiltration brazing filler metal and composites made therefrom The present invention is directed to brazing filler metals that can be used in the infiltration brazing of porous matrix materials without the need for a flux. The brazing filler metals contain two different Group II metals and a third metal of Group 9 an... | 07/02/2002 |
| 6361878 | Roughened bond coat and method for producing using a slurry A method of providing a roughened bond coat, for example in a thermal barrier coating system, comprises providing an oxidation-resistant plasma-sprayed layer onto a substrate and disposing a slurry overlayer on the oxidation-resistant plasma-sprayed layer... | 03/26/2002 |
| 6344270 | Metal matrix composite wires, cables, and method Metal matrix composite wires that include at least one tow comprising a plurality of substantially continuous, longitudinally positioned fibers in a metal matrix. The fibers are selected from the group of ceramic fibers carbon fibers, and mixtures thereof... | 02/05/2002 |
| 6277499 | Oxidation resistant coatings for copper A method is taught for protecting copper and copper-based composites from high temperature oxidation, by the application thereto of a cobalt-based alloy diffusion barrier and a copper-aluminum alloy protective outer layer.... | 08/21/2001 |
| 6254998 | Cellular structures and processes for making such structures A method for making foam structures suitable for use as mechanical energy absorbers, structural members, filters, catalyst carriers or the like. A composite rod comprising an outer shell and an inner core is formed of respective mixtures of powders. The m... | 07/03/2001 |
| 6224989 | Cylinder block for automotive engine and method for fabricating the same A cylinder block for an automotive engine that includes a sintered cylindrical body made of a first metal, the sintered cylindrical body having a plurality of pores. A powder of a second metal is dispersed into the pores of the sintered cylindrical body, ... | 05/01/2001 |
| 6210809 | Contact material The contact material of the present invention comprises: an anti-arcing constituent consisting of at least one TiC, V and VC of which the content is 30~70 volume % and whose mean particle (grain) size is 0.1~9 μm; C whose content is 0.005~0.5 weight % wi... | 04/03/2001 |
| 6114048 | Functionally graded metal substrates and process for making same The invention provides for a functionally-graded metal substrate that is made of at least two metal compositions, a functional insert and a surrounding body that surrounds the functional insert. In a preferred embodiment of the invention a functional inse... | 09/05/2000 |
| 6074716 | Weavable metal matrix impregnated tow composite material A composite material comprising a flexible jacket covering a roving of fibers which have been impregnated with a metal powder is described. The flexible jacket allows the material to be handled easily and to be weaved, knitted or braided into the shape or... | 06/13/2000 |
| 6051117 | Reticulated metal article combining small pores with large apertures An apertured and porous metal article can find use, for example, in diaphragm or membrane electrolysis cells. The article may comprise a thin and flexible metal foam of small pores which, typically, has been perforated with large apertures. The article ma... | 04/18/2000 |
| 6027821 | Contact material for vacuum interrupter and method for producing the same A contact material for a vacuum interrupter including, a conductive component including at least Cu, and an arc-proof component including at least one selected from the group consisting of carbides of W, Zr, Hf, V and Ti. An amount of the conductive compo... | 02/22/2000 |
| 5985440 | Sintered silver-iron material for electrical contacts and process for producing it Sintered silver-iron material for electrical contacts, with properties comparable with those of silver-nickel materials, is obtained by using iron powder having more than 0.25% carbon by weight and microhardness higher than 200 HV 0.025 and sintering in a... | 11/16/1999 |
| 5933703 | Process for the preparation of fibre reinforced metal matrix composites and novel preforms therefor A process for the preparation of a fiber reinforced metal matrix composite comprising fibers embedded in a metal in which the process comprises forming a body with a layer of aligned fibers between at least two layers of metal foil and densifying said lay... | 08/03/1999 |
| 5904966 | Laminated metal structure A laminated structure is obtained by hot isostatic pressing. The structure comprises a first metallic outer layer (produced by powder metallurgy) on one side, a second metallic outer layer on the other side which can form a brittle intermetallic phase and... | 05/18/1999 |
| 5863670 | Joints of Ti-Al intermetallic compounds and a manufacturing method therefor A joint of Ti--Al intermetallic compounds, comprising a plurality of base members made of a Ti--Al intermetallic compound and having Ti--Al lamellar grains, and a junction provided between the base members, made of a Ti--Al intermetallic compound and havi... | 01/26/1999 |
| 5853083 | Contact material for a vacuum circuit breaker and a method for manufacturing the same Interrupting and chopping characteristics of a Cu--Cr contact alloy are improved by rounding Cr particles to be spherical in the alloy. The Cr particles are rounded in the alloy by sintering raw Cr powder particles having an average particle diameter of l... | 12/29/1998 |
| 5682595 | High toughness ceramic/metal composite and process for making the same The ceramic/metal composite material is comprised of a ceramic phase with particles of alumina or of a solid solution based on alumina and a refractory phase including titanium nitride and/or carbonitride and a metallic matrix based on Ni, Co, Fe. The int... | 10/28/1997 |
| 5666643 | High temperature braze material A braze material is provided for repairing an article, and particularly components formed from cobalt and nickel-base superalloys, such as gas turbine engine components. The braze material is composed of high melt particles distributed within a braze allo... | 09/09/1997 |
