Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8128864 | Size for production of a BN-containing coating, method for production thereof, coated body production and use thereof The invention relates to a water-containing slip for producing a BN-containing coating on a substrate, which comprises, based on the solids content of the slip, a) 45-90% by weight of BN, b) 3-25% by weight of boehmite nanoparticles, c) 0.5-5% by weight of at least ... | 03/06/2012 |
| 7204955 | Casting ladle A casting ladle has a body (2) with a base (3) and walls (4, 6, 8) made of a laminated composite ceramic material that includes multiple layers of a woven fiber reinforcing fabric embedded in a ceramic matrix. A rigid support element (20)... | 04/17/2007 |
| 7195479 | Hot liner insertion/removal fixture A fixture (30) adapted to permit the heated exchange of a liner (14) from an operating vertical furnace (10). The fixture is adapted to secure to the base of the liner (14) to both unlock and lower the heated liner, such as a silicon carb... | 03/27/2007 |
| 7166367 | Titanium alloy having excellent high-temperature oxidation and corrosion resistance A titanium alloy having excellent high-temperature oxidation and corrosion resistance is disclosed which comprises, by mass, Al: 0.30–1.50%, and Si: 0.10–1.0%. Preferably, amass ratio Si/Al is not less than 1/3. More preferably, the titanium alloy further compri... | 01/23/2007 |
| 7157395 | Crucible for melting rare earth element alloy and rare earth element alloy A crucible comprising Al2O3 and at least one selected from rare earth oxides inclusive of Y2O3 as main components and characterized by firing at 500–1,800° C., the distribution of the rare earth oxide at a higher propor... | 01/02/2007 |
| 7098269 | Compression molded inorganic fiber articles, and methods and compositions used in molding same A method of forming articles made of an inorganic fiber material using compression molding. In one respect, a method of forming an article, wherein the method includes providing a molding composition comprising inorganic fiber and an inorganic binder, and compressio... | 08/29/2006 |
| 7083758 | Free flowing dry back-up insulating material Disclosed is a free flowing dry back-up material which comprises: from 67 to 96% by weight of fly-ash; from 2 to 15% by weight of a heat sensitive binder such as boric acid; from 2 to 7% by weight ... | 08/01/2006 |
| 7056469 | Starter set for brick lining of ladles used in handling molten metal A lining for a ladle used to handle molten metal. The lining is comprised of a first course of like, refractory bricks arranged horizontally in the ladle, the first course having an upper surface. A second course of like refractory bricks is arranged to spiral withi... | 06/06/2006 |
| 6973955 | Heated trough for molten metal A trough is described for carrying molten metal, comprising an outer shell defined by a bottom wall and two side walls, an insulating layer filling the outer shell and a conductive U-shaped refractory trough body for carrying molten metal, the trough body being embe... | 12/13/2005 |
| 6932938 | Method and apparatus for containing and ejecting a thixotropic metal slurry A container system including a vessel for holding a thixotropic semi-solid aluminum alloy slurry during its processing as a billet and an ejection system for cleanly discharging the processed thixotropic semi-solid aluminum billet. The crucible is preferably formed ... | 08/23/2005 |
| 6869565 | Integrated surface compositions and articles made therefrom The present invention relates to an article having an integrated contact surface, such as a melting vessel, and compositions for forming the article. The composition for forming the articles, such as melting vessels, includes from about 25% to about 99% binder mater... | 03/22/2005 |
| 6858175 | Bottom structure for a smelting furnace The invention relates to a bottom structure of a suspension smelting furnace to be used in a smelting furnace (1), in the reaction space (2) whereof of sulfidic raw material containing metal, such as copper, nickel or lead, is smelted in the presence o... | 02/22/2005 |
| 6803336 | Fire-resistant substance and method for producing a fire-resistant lining The invention relates to a fire resistant substance and to a method for producing a fire-resistant lining. The fire-resistant substance contains MgO sinter and up to 5 wt. % of a reducing agent selected from the group consisting of substances that contain carbon. Th... | 10/12/2004 |
| 6673306 | Refractory lining for metallurgical vessel A lining for a bottom of a metallurgical vessel, comprising an impact pad having a plurality of close-packed, pre-formed, high-temperature, high-density refractory bricks, the pad having an upper impact surface, and a monolithic slab of a high-temperature... | 01/06/2004 |
| 6645425 | Refractory batch, in particular for the production of a shaped body, and process for producing the shaped body The invention relates to a refractory batch containing at least one refractory metal oxide component, at least one binder component, such as resin or pitch, if appropriate antioxidants, at least one carbon carrier, such as soot and/or graphite, and reinfo... | 11/11/2003 |
| 6638473 | Cooling device for blast furnace bottom wall bricks The present invention is: a cooling apparatus, capable of extending the service life of a blast furnace by suppressing the molten-iron-induced erosion of a carbon brick in the sidewall of a blast furnace bottom by preventing the cooling ability for the ca... | 10/28/2003 |
| 6579491 | Insulated cover for torpedo cars and method of forming an insulated cover Improvements to an insulating cover for covering an opening in a torpedo car are disclosed. The insulating cover includes upper and lower wire mesh layers and an insulating layer positioned between the wire mesh layers. A support rod may be provided which... | 06/17/2003 |
| 6559082 | Insulating refractory material The invention concerns a crack-free insulating refractory material made from a composition comprising 20-80% by weight of a ceramic matrix, 5-40% by weight of insulating microspheres, 0.5-15% by weight of one more binders, 5-20% by weight of a metal or a ... | 05/06/2003 |
| 6537486 | Anti-buildup liner A refractory shape is described for transferring molten metal in a continuous casting operation. The shape includes an inner surface made from an unfired composition comprising a calcium rich grain, a hydration-resistant grain, 6-28 wt. % carbon, and a bi... | 03/25/2003 |
| 6531088 | Automatic door for molten metal holding furnace A door for molten metal holding furnaces which includes a fixed plate with charging and inspection hole provided with two supports positioned at the sides of the charging hole and with two vertical wings positioned on an upper part of the plate and two gu... | 03/11/2003 |
| 6503442 | Metal-zirconia composite coating with resistance to molten metals and high temperature corrosive gases The coated device contains a coating for use with corrosive environments at high temperatures. The device has a bond coat consisting essentially of, by weight percent, 0 to 5 carbon, 20 to 40 chromium, 0 to 5 nickel, 0 to 5 iron, 2 to 25 total molybdenum ... | 01/07/2003 |
| 6475426 | Resin-bonded liner In the continuous casting of molten metal, the invention describes a refractory article for reducing deposition of inclusions on a surface contacting the stream of molten metal. The article comprises a first composition and a second composition on at leas... | 11/05/2002 |
| 6464932 | Unburned carbon-containing refractory material and vessel for molten metal An unburned carbon-containing refractory suitable for lining a molten metal container, which can prevent deformation of the outer steel shell, improve the life of the container, suppress reduction in molten steel temperature, and minimize energy losses wi... | 10/15/2002 |
| 6425504 | One-piece, composite crucible with integral withdrawal/discharge section A one-piece, composite open-bottom casting mold with integral withdrawal section is fabricated by thermal spraying of materials compatible with and used for the continuous casting of shaped products of reactive metals and alloys such as, for example, tita... | 07/30/2002 |
| 6358466 | Thermal sprayed composite melt containment tubular component and method of making same A tubular thermal sprayed melt containment component for transient containment of molten metal or alloy wherein the tubular member includes a thermal sprayed inner melt-contacting layer for contacting molten metal or alloy to be processed, a thermal spray... | 03/19/2002 |
| 6288001 | Graphite-containing monolithic refractory material A graphite-containing monolithic refractory material comprises at least one component selected from alumina and alumina-magnesia spinel, which are divided into selected particle size regions, artificial graphite having a selected average particle size, an... | 09/11/2001 |
| 6245287 | Molten metal vessel and molten metal holding furnace The present invention is directed to molten metal vessels and molten metal holding furnaces containing a molten metal vessel. The molten metal vessel has a double-layer structure that includes an inner layer vessel in the form of a nonoxide-containing fir... | 06/12/2001 |
| 6234790 | Refractory wall structure Refractory wall structure for a blast furnace, in particular for a metallurgical furnace, such as for example a blast furnace with a high process temperature during operation, which wall structure is subjected to a high thermal loading. The wall structure... | 05/22/2001 |
| 6110416 | Tundish for continuous casting of metals having at least one plasma torch for reheating the metal An annularly shaped piece (28) formed from refractory material is provided for a tundish (1) for continuous casting of metals for enclosing a plasma torch (18) for heating liquid metal (4). The interior wall (29) of the annularly shaped piece defines a sp... | 08/29/2000 |
| 6110414 | Vessel for metallurgical purposes A vessel for metallurgical purposes, for transporting molten metals, having a metal casing which accommodates a refractory lining, is composed of individual tubular lengths. Two reinforcement rings which run in the circumferential direction and are integr... | 08/29/2000 |
| 6008152 | Refractory material of vitreous silica The invention concerns a refractory material comprised essentially of vitreous or amorphous silica and presenting an improved resistance to corrosion by molten metals, principally aluminium. It contains at least 0.1% and no more than 10% by wt. of barium ... | 12/28/1999 |
| 5997802 | Directly susceptible, noncarbon metal ceramic composite crucible A sintered metal ceramic crucible suitable for high temperature induction melting of reactive metals without appreciable carbon or silicon contamination of the melt. The crucible comprises a cast matrix of a thermally conductive ceramic material; a perfor... | 12/07/1999 |
| 5979720 | Nozzle for the continuous casting of steel A nozzle for use in continuous casting of steel simultaneously provides resistance to adhesion of Al2 O3 inclusions, damage resistance, and spalling resistance. The refractory material of at least the interior surface of the nozzle a... | 11/09/1999 |
| 5948349 | Ladle for the preparation of metal provided with a refractory bottom lining and method for producing said refractory bottom lining The invention provides a ladle for the preparation of metal comprising a metal case (1) provided, on its inner surface, with a refractory wall lining (3) and a refractory bottom lining (4) with a taphole (5), characterized in that the surface of the refra... | 09/07/1999 |
| 5882583 | precast module leveling assembly for a metallurgical vessel An interconnected precast module refractory leveling assembly for a metallurgical vessel is disclosed. The precast modules of the instant invention compensate for the sloping bottom of a metallurgical vessel. At least one precast module is disposed in eac... | 03/16/1999 |
| 5824263 | Ladle brick leveling set A ladle brick leveling set for high temperature molten metal ladles in which specially shaped refractory bricks are disposed in a slightly sloping geometrical configuration so as to compensate for a sloping bottom of a high temperature molten metal ladle.... | 10/20/1998 |
| 5811057 | Refractory lining system for high wear area of high temperature reaction vessel A refractory-lined high temperature reaction vessel comprises a refractory ring lining constructed of refractory brick, a cooler, and a heat transfer medium disposed between the refractory ring lining and the cooler. The refractory brick comprises magnesi... | 09/22/1998 |
| 5770536 | Fiber reinforced spray mix A pulverulent fiber-reinforced spray mix is disclosed in which about 0.02 to 0.3 wt. % of flexible, thermoset polymer fibers resistant to decomposition at a temperature up to about 400° F. are added for each 100 wt. % of other solids in the mix to form a... | 06/23/1998 |
| 5766542 | Refractory bricks for iron ore reduction reactors Refractory materials (typically refractory bricks) having the exposed working surface treated to form a silica sand glazed surface for their utilization in iron ore reduction reactors, for example of the moving bed type, fluidized bed type, rotary kilns, ... | 06/16/1998 |
| 5762865 | Pyrolytic boron nitride crucible A pyrolytic boron nitride crucible is disclosed which is suitable for producing a single crystal of a semiconductor compound of Group III and V by the LEC method. The crucible comprises a side part and a bottom part. The bottom part has an absorption coef... | 06/09/1998 |
