Quotables
"We are probably nearing the limit of all we can know about astronomy."
Simon Newcomb, astronomer ; 1888
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| RE40301 | Zircon/zirconia mix for refractory coatings and inks Refractory coatings comprising unstabilized zirconia, silica, and, optionally, zircon and/or mullite are disclosed herein. The unstabilized zirconia, silica, and optional zircon and/or mullite are applied as a slurry onto ceramic substrates such as silicon carbide a... | 05/06/2008 |
| 7354652 | Corrosion-resistant member and producing method thereof A corrosion-resistant member, which is exposed to a corrosive environment is provided. The corrosion-resistant member is made of a corrosion-resistant material that contains at least one of an oxide of calcium and aluminum, and a calcium aluminum oxide. The corrosio... | 04/08/2008 |
| 7318906 | Method for producing SiC fiber-reinforced SiC composite material A preformed of SiC fiber, which is coated with one or more of C, BN and SiC, is impregnated with a slurry, which suspends fine SiC powder and a sintering additive therein. The impregnated preform is hot-pressed at 1600-1800° C. with a pressure of 10 MPa or more. Th... | 01/15/2008 |
| 7278830 | Composite filled gas turbine engine blade with gas film damper A gas turbine engine blade comprises a housing, a composite core located within the housing, and a gas damper located within the housing for damping vibration of the blade. ... | 10/09/2007 |
| 7244686 | Bearings produced from silicon nitride substances containing sintering additives and SiO The present invention is directed to bearings produced from a silicon nitride material. The silicon nitride material consists of a sintering aid selected from the group consisting of Al2O3 and Y2O3, silicon dioxide, and op... | 07/17/2007 |
| 7186307 | Method for manufacturing a ceramic multilayer circuit board By increasing the quantity of resin binder of at least one of conductive paste and ceramic green sheet, adhesion between conductive film and the ceramic green sheet is improved when an intaglio filled with the conductive paste is hot pressed on the ceramic green she... | 03/06/2007 |
| 7077867 | Prosthetic knee joint having at least one diamond articulation surface Prosthetic joints, components for prosthetic joints, superhard bearing and articulation surfaces, diamond bearing and articulation surfaces, substrate surface topographical features, materials for making joints, bearing and articulation surfaces, and methods for man... | 07/18/2006 |
| 7052532 | High temperature nanofilter, system and method A filter, system and method is provided for filtering nanoparticles in a hot gas, namely particles about 200° C. and further particularly >about 450° C. including diesel exhaust. The filter includes filter media material composed of fibro... | 05/30/2006 |
| 7026039 | Zircon/zirconia mix for refractory coatings and inks Refractory coatings comprising unstabilized zirconia, silica, and, optionally, zircon and/or mullite are disclosed herein. The unstabilized zirconia, silica, and optional zircon and/or mullite are applied as a slurry onto ceramic substrates such as silicon carbide a... | 04/11/2006 |
| 7022198 | Microwave assisted reactive brazing of ceramic materials A method for joining similar materials to create multi-component assemblies so the joint materials share similar physical, chemical, and electrical characteristics with the base materials. The method includes aligning the materials, applying joining material, focusi... | 04/04/2006 |
| 6960980 | Power converter with shunt resistor A power converter includes a shunt resistor constituted by a shunt resistance and a plurality of main electrodes made of a sheet-like resistive material. In the shunt resistor, plates lower in volume electric resistivity than the resistive material, higher in therma... | 11/01/2005 |
| 6923363 | Joining agent for metal or ceramic, and method for joining metal articles or ceramic articles using the same A bonding agent for metals or ceramics comprising 0.25 to 18.0% by weight of a powder of Mg and 25 to 50% by weight of a hydroxyl solvent, the balance of its composition being a powder of AlN. The bonding agent having the constituents stated above has a large amount... | 08/02/2005 |
| 6899777 | Continuous fiber reinforced composites and methods, apparatuses, and compositions for making the same A process for continuous composite coextrusion comprising: (a) forming first a material-laden composition comprising a thermoplastic polymer and at least about 40 volume % of a ceramic or metallic particulate in a manner such that the composition has a substantially... | 05/31/2005 |
| 6699604 | Protective coating including porous silicon nitride matrix and noble metal A turbomachine component includes a silicon nitride substrate and a protective coating on the substrate. The protective coating includes a porous silicon nitride matrix and a noble metal infiltrated in the porous silicon nitride matrix.... | 03/02/2004 |
| 6447626 | Method for producing joined body of ALN substrates and joining agent used for the joining A novel method for joining aluminum nitride-series substrates to each other is provided in the substantial absence of an intervening third layer at the joining interface between the substrates. In the method, the aluminum nitride-series substrates are joi... | 09/10/2002 |
| 6416848 | Resistance element and method of production of same A resistance element comprising at least a resistance element body comprised of a ceramic including ଲ-SIALON of a composition expressed by Si6-z Alz Oz N8-z (where, in the formula, z=0.3 to 1.0) and an int... | 07/09/2002 |
| 6328834 | Process for producing bodies made of fiber-reinforced composites A process for producing bodies made of fiber-reinforced composites from fiber-reinforced precursor bodies having a porous carbon matrix, in particular from C/C bodies, includes (1) mixing fibers, fiber bundles or fiber agglomerates based on carbon, nitrog... | 12/11/2001 |
| 6206992 | Method for manufacturing fibrous ceramic by a room temperature extrusion process and a method for manufacturing fibrous monolithic ceramics using the same A fibrous ceramics fabrication method using a room extrusion process and a fibrous monolithic ceramics fabrication method using thereof is disclosed. The method includes the steps of obtaining a extrusion-purpose slurry by evenly mixing a hydrophilic cell... | 03/27/2001 |
| 6132542 | Method of fabricating hybrid ceramic matrix composite laminates A hybrid CMC laminate is comprised of alternating layers of dense ceramics and fiber reinforced CMCs. The strategy involves the use of strong and stiff ceramics in order to delay the onset of cracking within the CMC layers. To provide protection from mech... | 10/17/2000 |
| 6110555 | Metal-ceramic laminar-band composite A metal-ceramic laminar-band multi matrix composite, intended for use in oxidizing, reductive or inert media at temperatures up to 1500.div.2800° C. and a method of the manufacture is provided. The composite material contains up to 85 vol. % of an oxide ... | 08/29/2000 |
| 6077600 | Ceramic catalytic converter A pollutant-reducing catalytic converter for an internal combustion engine. The catalytic converter is of ceramic and operates at higher temperatures for increased efficiency. A ceramic foam is used as the substrate for the catalyst. The foam is an open-c... | 06/20/2000 |
| 5972157 | Joining of rough carbon-carbon composites with high joint strength Carbon--carbon composite parts are joined with minimum surface preparation. A reactive-bonding joint interlayer having thickness greater than 1 mil is formed of fine particles of carbide-forming metallic ingredients and carbon. The joint interlayer is san... | 10/26/1999 |
| 5902429 | Method of manufacturing intermetallic/ceramic/metal composites Novel processes are provided for the production of porous ceramic preforms, metal activated porous ceramic preforms and intermetallic/ceramic/metal composites. These products are all manufactured using processes which are based on tape casting techniques.... | 05/11/1999 |
| 5868885 | Manufacture of cutting tools A method for manufacturing cutting tools having diamond-like cutting edges or surfaces which are formed by bonding high shear compaction diamond or cubic boron nitride (CBN) ropes or strips in helical grooves formed on the cutting tool outer surface. The ... | 02/09/1999 |
| 5866245 | Silicon nitride ceramics having a high reliability and a method for production thereof The present invention relates to a silicon nitride sintered body having a remarkably increased strain-to-fracture, a low elasticity and high strength, characterized by consisting of a layered structure of alternating porous silicon nitride layers 1 to 100... | 02/02/1999 |
| 5744411 | Aluminum nitride sintered body with high thermal conductivity and its preparation An aluminum nitride sintered product with a high thermal conductivity (at least 100 W/m.K) can be prepared at a sintering temperature of less than 1850° C. (often less than 1650° C.) using a sinterable combination of aluminum nitride powder with at leas... | 04/28/1998 |
| 5711833 | Process for the production of thin walled ceramic structures A process is provided for the manufacture of thin walled ceramic structures, particularly conical or near conical shaped structures. The process involves a tape casting technique wherein a green tape is prepared from a colloidal suspension containing a ce... | 01/27/1998 |
| 5707471 | Method for making ceramic matrix composites Fiber reinforced ceramic matrix composites are prepared by coating refractory fibers having a interfacial coating thereon with a curable preceramic polymer having a char which contains greater than about 50% sealant oxide atoms followed by forming the coa... | 01/13/1998 |
| 5707476 | Method for forming multiple cavity products The present invention relates generally to a new apparatus and method for simultaneously laminating a plurality of substrates having at least one cavity. More particularly, the invention encompasses apparatus and method for fabricating cavities in MLC (mu... | 01/13/1998 |
| 5611877 | Jigs for manufacture of joined ceramic structure, and method for manufacturing joined ceramic structure by use of jigs Jigs usable in a method for manufacturing a joined ceramic structure having a plurality of tubes and perforated plates joined to both the end portions of these tubes which has the steps of inserting the tubes of sintered ceramics into through-holes of the... | 03/18/1997 |
| 5603788 | Method of manufacturing a ceramics-type vacuum vessel A vacuum vessel is provided in which the majority of a vessel wall including an annular wall portion (1) and a plate-wall portion (2) is formed of ceramic material such as silicon nitride, for example. To bond the plural wall members together, bonding fac... | 02/18/1997 |
| 5591287 | Process for producing layered ceramic product Process for producing a layered ceramic product which includes sintering layers of sinterable particulate ceramic material while in face-to-face contact. Before such contact, the surface of at least one of the layers is modified to provide a zone of weakn... | 01/07/1997 |
| 5569343 | Ceramic fabric reinforced fiber/microparticle ceramic composite A ceramic composite is provided comprising ceramic fibers, glass microballoons and/or diatoms, bound together with a ceramic reinforcing cloth with a sol-gel ceramic binder. The composite is particularly useful as a high strength, high temperature insulat... | 10/29/1996 |
| 5565052 | Method for the production of a reflector In order to produce lightweight mirror structures or other reflecting components, preformed silicon elements of sufficient wall thickness are applied to a CFC or CMC substrate structure with the dimensions of the component to be produced, at a temperature... | 10/15/1996 |
| 5549770 | Method for manufacturing composites A method of manufacturing fiber-reinforced composites from a fibrous material, includes the steps of infiltrating the fibrous material with material from which a matrix is built up; preforming the infiltrated fibrous material into a green body against as ... | 08/27/1996 |
| 5538582 | Method for forming cavities without using an insert The present invention relates generally to a new method for forming cavities without using an insert. More particularly, the invention encompasses method for fabricating cavities in MLC (multi-layer ceramic) without using inserts.... | 07/23/1996 |
| 5529651 | Process for production of joined ceramic body A process for producing a joined ceramic component having a plurality of parallel ceramic tubes and two perforated ceramic plates joined to the both ends of said ceramic tubes, which process comprises: arranging two unsintered ceramic plates each having a... | 06/25/1996 |
| 5489353 | Process for forming ceramic laminates A ceramic forming paper sheet is prepared by dispersing in water a ceramic-forming powder, a thermoplastic pulp and wood pulp, flocculating the dispersion by adding a cationic wet strength resin and an anionic polymer, dewatering the flocculated dispersio... | 02/06/1996 |
| 5474635 | Joining non-coplanar panels and structures of fiber reinforced composites A method of joining adjacent, non-coplanar, fiber reinforced composite structures includes machining a plurality of serrations (4) into an edge (6) of a consolidated first fiber reinforced composite structure (2) such that reinforcing fibers continue from... | 12/12/1995 |
| 5451279 | Method for joining ceramic sintered bodies A method for joining two ceramic sintered bodies with a joining layer. A magnesium layer is deposited on the ceramic sintered bodies to form a magnesium nitride layer. The joining layer has a component in common with a base component of the ceramic sinter... | 09/19/1995 |
