In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7772145 | Manufacture of environmentally friendly carbon-bonded refractory product in the cold mixing process The invention relates to a method for manufacturing carbon-bonded refractory products from refractory granulations and organic binder agents, wherein a powdery, graphitable coal-tar pitch with a benzo[a]pyrene content less than 500 mg/kg and a coking value of at lea... | 08/10/2010 |
| 7723248 | Ceramic composite material and method for producing same Highly wear-resistant, low-friction ceramic composites suited for machining-tool, sliding-component, and mold-die materials are made available. The ceramic composites characterized are constituted from a phase having carbon of 3 μm or less, preferably 30 nm or less... | 05/25/2010 |
| 7364794 | Oxidation resistant carbon fiber reinforced carbon composite material and process for producing the same An oxidation resistant carbon fiber reinforced carbon composite material comprises a matrix and 20 volume % or more of carbon fibers, and is characterized in that: the matrix contains ceramic powder that includes boron carbide powder having an average particle diame... | 04/29/2008 |
| 7365988 | Cycling LED heat spreader A graphite heat spreader is provided for use with a flash LED light source for a camera of a handheld device such as a cell phone. Dramatically reduced operating temperatures are provided at substantially increased power levels thus providing both improved lighting ... | 04/29/2008 |
| 7348286 | Ceramic composite material and method of its manufacture Ceramic composite material that has excellent mechanical properties within a range from room temperature to high temperature and high die release with respect to glass, resins, ceramics, and similar substances. The ceramic composite material is composed of a ceramic... | 03/25/2008 |
| 7324576 | Joint strengthening ring for graphite electrodes An electrode joint is presented, the joint including two joined graphite electrodes and having a joint strengthening ring interposed between the electrodes, the joint strengthening ring composed of a compressible. ... | 01/29/2008 |
| 7324577 | End-face seal for male-female electrode joints A male-female electrode joint is presented, the joint including two joined graphite electrodes having blocked threads and having a seal interposed between the electrodes, the seal composed of a material having an oxidation rate equal to or less than that of the elec... | 01/29/2008 |
| 7306828 | Fabrication of reinforced composite material comprising carbon nanotubes, fullerenes, and vapor-grown carbon fibers for thermal barrier materials, structural ceramics, and multifunctional nanocomposite ceramics The present invention is directed towards a ceramic nanocomposite comprising a nanostructured carbon component inside a ceramic host. The ceramic nanocomposite may further comprise vapor grown carbon fibers. Such nanostructured carbon materials impart both structura... | 12/11/2007 |
| 7303820 | Heat spreader for display device A heat spreader for a display device, such as a plasma display panel, a light emitting diode or a liquid crystal display, which includes at least one sheet of compressed particles of exfoliated graphite having two major surfaces, both of which have a layer of an adh... | 12/04/2007 |
| 7303005 | Heat spreaders with vias Constructions for and methods of manufacturing graphite heat spreaders having thermal vias placed therethrough are provided. Thermal vias having one or two flanges are disclosed, as are flush thermal vias. Graphite heat spreaders having surface layers covering the g... | 12/04/2007 |
| 7292441 | Thermal solution for portable electronic devices A thermal solution for a portable electronic device, which is positioned between a heat source and another component of the electronic device, where the thermal solution facilitates heat dissipation from the heat source while shielding the second component from the ... | 11/06/2007 |
| 7291572 | Synergistic composition for preparing high concentration fullerene (C) glass and a method for preparing the glass in bulk monolith The present invention relates to a synergistic composition for preparing high concentration fullerene (C60)-glass and a method for preparing glass doped with fullerene (C60) in bulk monolith using the synergistic composition, which may be used ... | 11/06/2007 |
| 7285591 | Polymer-nanotube composites, fibers, and processes Disclosed are processes for preparing nanotube composite materials and fibers that provide exceptional nanotube alignment and dispersion. The disclosed processes include contacting nanotube dispersions with polymer melts. Also disclosed are nanotube composite fibers... | 10/23/2007 |
| 7276273 | Heat spreader for display device A heat spreader (10) for a display device, such as a plasma display panel, a light emitting diode or a liquid crystal display, comprising at least one sheet of compressed particles of exfoliated graphite having a surface area greater than the surface area of ... | 10/02/2007 |
| 7276591 | Biomass resin composition, process for preparing the same and molding material using the biomass composition The present invention relates to biomass resin composition comprising a phenolized biomass substance and a reactive substance having a melting point of at most 100° C. other than phenol. The biomass resin composition is prepared by a process, which comprises adding... | 10/02/2007 |
| 7232601 | Method for preparing composite flexible graphite material An improved method enables preparation of articles for a variety of applications, including embossing or otherwise shaping to form a variety of articles. A plurality of thin, preferably resin-impregnated, flexible graphite sheets are arranged to form zones in a comp... | 06/19/2007 |
| 7206189 | Composite electrode and current collectors and processes for making the same Composite electrode/current collectors for capacitors, e.g., a flow-through capacitor or electric double layer capacitor are disclosed. Also disclosed are methods for making a composite electrode/current collectors and capacitors having at least one composite electr... | 04/17/2007 |
| 7206330 | End-face seal for graphite electrodes An end-face seal for graphite electrode joints, including a seal formed of a plurality of individual elements interlocked to form a unitary whole, and formed of a material having an oxidation rate equal to or less than that of the electrodes. ... | 04/17/2007 |
| 7204878 | Refractory mixes containing condensed tannin and furfuryl alcohol, and their uses This invention relates to refractory mixes produced by mixing a refractory material with an organic binder and heating to a temperature of typically from about 50° C. to about 100° C. to form a stable composite granulate. The refractor mixes comprise a major amoun... | 04/17/2007 |
| 7186309 | Method for preparing composite flexible graphite material An improved method enables preparation of articles for a variety of applications, including embossing or otherwise shaping to form a variety of articles. A plurality of thin, preferably resin-impregnated, flexible graphite sheets are arranged to form zones in a comp... | 03/06/2007 |
| 7182891 | Non-basic refractory compound as well as its uses This invention concerns a non-basic refractory batch as well as its use. ... | 02/27/2007 |
| 7166912 | Isolated thermal interface An isolated thermal interface is presented. The inventive interface includes a flexible graphite sheet having two major surfaces, at least one of the major surfaces coated with a protective coating sufficient to inhibit flaking of the particles of graphite. ... | 01/23/2007 |
| 7150837 | Isotropic pitch-based materials for thermal insulation Insulation materials suited to high temperature applications, such as the insulation of furnaces, are formed from a mixture of pitch carbon fibers, such as isotropic pitch carbon fibers, and a binder comprising a solution of sugar in water. The sugar solution is pre... | 12/19/2006 |
| 7108055 | Optimized heat sink using high thermal conducting base and low thermal conducting fins An optimized design for a composite heat sink is provided utilizing a high thermal conducting base and low thermal conducting fins. The base preferably is constructed from anisotropic graphite material, and the fins are preferably constructed from a thermally conduc... | 09/19/2006 |
| 7108917 | Variably impregnated flexible graphite material and method A flexible graphite sheet material having improved molding characteristics is provided by effecting resin impregnation such that the resin profile across one of the dimensions of the sheet is non-uniform. ... | 09/19/2006 |
| 7094311 | Assembling bipolar plates Methods are provided for manufacturing bipolar graphite articles. First and second components are formed from flexible graphite material. The first component has a protrusion formed thereon, and the second component has a recess formed therein which is complementary... | 08/22/2006 |
| 7073974 | Process and apparatus for highway marking A system for forming and applying a coherent refractory mass on the surface of a road wherein one or more non-combustible materials are mixed with one or more metallic combustible powders and an oxidizer, igniting the mixture so that the combustible metallic particl... | 07/11/2006 |
| 7071258 | Nano-scaled graphene plates A nano-scaled graphene plate material and a process for producing this material. The material comprises a sheet of graphite plane or a multiplicity of sheets of graphite plane. The graphite plane is composed of a two-dimensional hexagonal lattice of carbon atoms and... | 07/04/2006 |
| 7060642 | Refractory raw materials, method for production thereof and refractory using the material Refractories obtained by molding a refractory raw material composition containing a refractory raw material including graphite grains having an average grain size of 500 nm or less or a refractory raw material including graphite grains obtained by graphitizing carbo... | 06/13/2006 |
| 7052202 | Process and apparatus for highway marking A process and apparatus for forming a coherent refractory mass on the surface of a road wherein one or more non-combustible materials are mixed with one or more metallic combustible powders and an oxidizer, igniting the mixture so that the combustible metallic parti... | 05/30/2006 |
| 7048034 | Investment casting mold and method of manufacture The invention relates to a investment casting shell molds and their method of manufacture. The method entails mixing fiber and refractory filler to form a dry blend; mixing the dry blend with a binder sol to form a refractory slurry, and employing the refractory slu... | 05/23/2006 |
| 7004230 | Investment casting shells and compositions including rice hull ash Incorporation of rice hull ash into investment casting shell molds improves the permeability, shell build thickness, and/or shell build uniformity of the molds. A method to make the molds entails mixing refractory filler, rice hull ash, and preferably a fiber to for... | 02/28/2006 |
| 6969214 | Process and apparatus for highway marking A process and apparatus for forming a coherent refractory mass on the surface of a road wherein one or more non-combustible materials are mixed with one or more metallic combustible powders and an oxidizer, igniting the mixture so that the combustible metallic parti... | 11/29/2005 |
| 6960402 | Perforated cylindrical fuel cells The invention relates to tubular fuel cells and methods of making such fuel cells. The inventive fuel cells include at least one fluid permeable structure having a plurality of perforations or channels. The perforations allow fluids, e.g., hydrogen or oxygen, to flo... | 11/01/2005 |
| 6953760 | Ceramic component containing inclusions A ceramic component is disclosed, including a sintered ceramic body from a composition comprising a first ceramic material, and a plurality of inclusions in the ceramic body, each inclusion comprising graphite and a second ceramic material. ... | 10/11/2005 |
| 6908667 | Fiber-reinforced material composed, at least in a surface region, of a metal/ceramic composite, molding composed of the fiber-reinforced material and method of producing the fiber-reinforced material A method is provided for producing a fiber-reinforced material which is composed, at least in a region of a surface layer, of a ceramic composite and has carbon-containing fibers reaction-bonded to a matrix containing the elements Si and C. In particular a method of... | 06/21/2005 |
| 6902798 | High temperature gas seals A flexible seal for use in a solid oxide fuel cell stack is formed from a fiber matrix impregnated with a plurality of solid particles. The fibers and particles are preferably ceramic and may be formed from alumina or zirconia. The seal may be formed by dipping the ... | 06/07/2005 |
| 6902841 | Hydrophobic fuel cell electrode An electrode for an electrochemical fuel cell is provided. More particularly, an electrode formed of a sheet of a compressed mass of expanded graphite particles having a plurality of transverse fluid channels passing through the sheet between first and second oppose... | 06/07/2005 |
| 6896968 | Coatings and method for protecting carbon-containing components from oxidation A protective coating for a carbon-containing component comprises a material selected from the group consisting of non-stoichiometric silicon and carbon; non-stoichiometric silicon and oxygen; non-stoichiometric silicon and nitrogen; compounds of silicon, oxygen, and... | 05/24/2005 |
| 6875374 | Ceramic materials reinforced with single-wall carbon nanotubes as electrical conductors Composite materials formed of a matrix of fused ceramic grains with single-wall carbon nanotubes dispersed throughout the matrix and a high relative density, notably that achieved by electric field-assisted sintering, demonstrate unusually high electrical conductivi... | 04/05/2005 |