Patents Examined by Russell Kemmerle, III
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Patent number: 9061934Abstract: An apparatus and methods for bending sheet glass are disclosed. The present invention improves on the state-of-the-art by providing apparatus and methods that prevent unwanted distortion of the glass sheet. The apparatus and methods utilize localized heating at the bend to allow for overall glass sheet temperatures to be reduced, along with optional mechanical devices for improved bend quality.Type: GrantFiled: October 8, 2012Date of Patent: June 23, 2015Assignee: CORNING INCORPORATEDInventors: Antoine Gaston Denis Bisson, Curtis Richard Cowles, Laurent Joubaud, David John McEnroe, Aniello Mario Palumbo
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Patent number: 9056789Abstract: The present invention provides a method of producing a granular product, the method comprising providing waste stone wool product of which at least 90% is in coherent form having minimum dimension at least 50 mm and which has a content of at least 10% water, by weight of the waste stone wool product; producing a base material from the stone wool by reducing the coherent stone wool to particulate form such that at least 80% by weight of the base material is in the form of particles having size not more than 40 mm, and has water content not more than 50 wt % based on the particulate base material; forming the particulate base material into granules, wherein at least 80% by weight of the granules have size not more than 40 mm, and subjecting the granules to sintering at a temperature in the range 900 to 1050° C. to form a granular product wherein at least 80% by weight of the granular product is in the form of granules having size not more than 40 mm, and during the operation of the method no binder is added.Type: GrantFiled: June 16, 2010Date of Patent: June 16, 2015Assignee: ROCKWELL INTERNATIONAL A/SInventor: Jean Marie Wilhelmus Cuypers
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Patent number: 9044877Abstract: A method for creating a vessel with a noise chamber comprising casting slip into a mold defining a vessel with a void in the foot, controlling the hardening process to facilitate the foot becoming leather-hard prior to the other parts of the vessel, placing a bead within the void in the foot, attaching a foot slab with a hole to the foot of the vessel to create a noise chamber out of the void in the foot, drying the vessel beyond a leather-hard state, applying a temporary cover to the hole in the foot slab, glazing the vessel, firing the vessel and applying a seal to the hole in the foot slab.Type: GrantFiled: August 16, 2013Date of Patent: June 2, 2015Inventor: Ashley Lin Ames
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Patent number: 9039955Abstract: When a molded fabric body (X) is impregnated with a powder (K) of a predetermined material, there are performed a first step of dispersing the powder (K) in a liquid to prepare a slurry, and a second step of burying the molded fabric body (X) made of fiber bundles in the slurry and vibrating the slurry by use of a predetermined vibrator (M). Furthermore, in the second step, the vibrator (M) is moved along a surface of the molded fabric body (X). As a result, it is possible to improve the rate of impregnation of the powder (K) more than that in the conventional cases, irrespective of the shape of the molded fabric body (X).Type: GrantFiled: March 29, 2011Date of Patent: May 26, 2015Assignee: IHI CORPORATIONInventors: Hiroshige Murata, Yasutomo Tanaka, Yuuki Nonaka, Takeshi Nakamura
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Patent number: 9011757Abstract: A ceramic honeycomb structure having a large number of flow paths partitioned by porous cell walls, the cell walls comprising at least main crystals of aluminum titanate, in which MgO and SiO2 are dissolved to form a solid solution, and glass phases, the glass phases containing 40-80% by mass of SiO2 and 1-20% by mass of MgO, the average size of the glass phases being 30 ?m or less in a cross section of the cell walls, and the area ratio of the glass phases to the total area of the main crystals of aluminum titanate and the glass phases being 2-12% in a cross section of the cell walls, and its production method.Type: GrantFiled: March 18, 2013Date of Patent: April 21, 2015Assignee: Hitachi Metals, Ltd.Inventors: Hirohisa Suwabe, Masaru Yoshida, Tomomasa Kumagai, Hideya Yamane
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Patent number: 9010151Abstract: A glass sheet cutting device fuses and divides a glass substrate using a preset cutting line as a boundary while supplying an assist gas and a laser beam from above the glass substrate along the preset cutting line of the glass substrate. The glass sheet cutting device includes a first laser irradiator for radiating a fusing laser beam and a second laser irradiator for radiating an annealing laser beam. Through a fusing gap formed between fused end surfaces by fusing, the second laser irradiator radiates the annealing laser beam obliquely from above onto the fused end surface to be annealed.Type: GrantFiled: September 14, 2012Date of Patent: April 21, 2015Assignee: Nippon Electric Glass Co., Ltd.Inventors: Takahide Fujii, Setsuo Uchida, Naotoshi Inayama, Takayuki Noda, Sho Itoh, Michiharu Eta
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Patent number: 8999224Abstract: A porous ceramic honeycomb article includes a primary cordierite phase and an intercrystalline glass phase. In an as-fired condition, the porous ceramic honeycomb article exhibits microcrack parameter Nb3?0.06 and an as-fired E500° C./E25° C. ratio ?0.99. The article exhibits a coated microcrack parameter Nb3?0.14 and a coated E500° C./E25° C. ratio ?1.06 after the porous ceramic honeycomb article has been washcoated and calcined at a temperature of 550° C. After the article is exposed to a thermal treatment at a temperature ?800° C. following washcoating and calcining, at least a first portion of the porous ceramic honeycomb article has a first treated microcrack parameter Nb3?0.18, and a first treated mean coefficient of thermal expansion of not more than 12×10?7/° C. over a temperature range of 25° C. to 800° C. Methods of forming the porous ceramic honeycomb article are also disclosed.Type: GrantFiled: November 30, 2010Date of Patent: April 7, 2015Assignee: Corning IncorporatedInventors: Douglas Munroe Beall, Gregory Albert Merkel, Martin Joseph Murtagh
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Patent number: 8992820Abstract: A method of making ceramics is provided. The method comprises preparing a dispersion of a nano-material. A slurry of a ceramic matrix material is prepared. The nano-dispersion is mixed with the matrix slurry to form a nano-dispersion/slurry mixture. The nano-dispersion/slurry mixture is dried. The nano-dispersion/slurry mixture is pressed into a final manufacture comprising a granular structure including the nano-material bonded within and uniformly distributed throughout the granular structure. The manufacture comprises an increased fracture toughness compared with a conventional manufacture produced without bonding the nano-material within the granular structure. The nano-material has a size on the order of tens of nanometers. The matrix material has a size on the order of several micrometers. Five percent of the nano-dispersion/slurry mixture comprises the nano-material dispersion. Sintering is performed on the final form using a sintering process following the pressing step.Type: GrantFiled: December 7, 2010Date of Patent: March 31, 2015Assignee: SDCmaterials, Inc.Inventors: Qinghua Yin, Xiwang Qi, Maximilian A. Biberger, David Leamon
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Patent number: 8986598Abstract: Disclosed is an alumina-coated spinel-silicon carbide refractory composition with good resistance to coal slag penetration and a method for manufacturing the same. The refractory composition refractory composition comprising 3 to 10 parts by weight of fine alpha alumina powder with respect to the weight of the refractory mixture, wherein the mixture is prepared by mixing alumina-coated spinel aggregates and silicon carbide in a ratio of 10:90 to 40:60 wt %, a dispersant, and an alumina sol as a binder.Type: GrantFiled: November 12, 2012Date of Patent: March 24, 2015Assignee: Korea Institute of Science and TechnologyInventors: Chang Sam Kim, Sang Whan Park
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Patent number: 8986599Abstract: Methods are provided for making ceramic preforms having two-dimensional interconnected channels therein. The methods include (i) positioning a sacrificial material having a selected profile within a bed of ceramic powder; (ii) compacting the bed of ceramic powder to form a compacted mass; (iii) heating the compacted mass to thermally transform the sacrificial materials into a fluid without cracking the compacted mass; and (iv) removing the fluid from the compacted mass, thereby leaving a two-dimensional network of interconnected channels having the selected profile of the sacrificial material within the compacted mass. Ceramic preforms are also provided which include a compacted mass of ceramic powder and two-dimensional interconnected channels therein.Type: GrantFiled: August 25, 2011Date of Patent: March 24, 2015Assignee: Florida State University Research Foundation, Inc.Inventors: Okenwa O. I. Okoli, Ben Wang, Osayande Lord-Rufus Ighodaro
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Patent number: 8974721Abstract: A method of making ceramic bodies includes systematically orienting the bodies during firing relative to a temperature gradient in a kiln. The systematic orientation of the bodies relative to the temperature gradient can allow for an average deviation of a measured shape of the ceramic bodies from a predetermined target contour shape to be less than what they would be if the bodies were oriented randomly relative to the temperature gradient.Type: GrantFiled: August 1, 2012Date of Patent: March 10, 2015Assignee: Corning IncorporatedInventors: Daniel Edward McCauley, Anthony Nicholas Rodbourn, David Robertson Treacy, Jr., Casey Allen Volino
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Patent number: 8974724Abstract: Aluminum titanate precursor batch compositions comprising a recycled aluminum titanate component, at least a portion of the recycled aluminum titanate component being comprised of a recycled pre-reacted aluminum titanate composition or alternatively of an un-reacted green aluminum titanate precursor composition, and methods for producing aluminum titanate ceramic articles utilizing the inventive batch compositions.Type: GrantFiled: November 29, 2006Date of Patent: March 10, 2015Assignee: Corning IncorporatedInventors: John Paul Day, Robert John Locker, David Lambie Tennent, Christopher John Warren
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Patent number: 8974726Abstract: Methods of preparing polycrystalline aluminum nitride materials that have high density, high purity, and favorable surface morphology are disclosed. The methods generally comprises pressing aluminum nitride powders to form a slug, sintering the slug to form a sintered, polycrystalline aluminum nitride boule, and optionally shaping the boule and/or polishing at least a portion of the boule to provide a finished substrate. The sintered, polycrystalline aluminum nitride materials beneficially are prepared without the use of any sintering aid or binder, and the formed materials exhibit excellent density, AlN purity, and surface morphology.Type: GrantFiled: July 19, 2011Date of Patent: March 10, 2015Assignee: Hexatech, Inc.Inventors: Baxter Moody, Rafael Dalmau, David Henshall, Raoul Schlesser
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Patent number: 8968637Abstract: A system for the fabrication of dome shaped low temperature cofired ceramic (LTCC) substrates comprises a plurality of prefired substrates, a first mandrel, and a second mandrel. The prefired substrates may form a stack and each may include a circular central portion and a plurality of segments uniformly distributed along the circumference of the central portion. Each segment may include a first edge, an opposing second edge, and an end edge. The first and second edges each may have an inner end and an opposing outer end. The end edge may be coupled to the outer end of the first and second edges. The first mandrel may have a first circumference and may be configured to receive the prefired substrates while the stack is formed. The second mandrel may have a second circumference smaller than the first circumference and may be configured to retain the stack during a firing process.Type: GrantFiled: June 18, 2012Date of Patent: March 3, 2015Assignee: Honeywell Federal Manufacturing & Technologies, LLCInventors: Daniel S. Krueger, Cristina Elizabeth Fadner, Gregory Vincent Miller
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Patent number: 8968639Abstract: A composition for extrusion-molded bodies which comprises a) an inorganic material that sets as a result of baking or sintering, and b) a methylhydroxypropyl cellulose having a DS(methyl) of from 0.8 to 2.5 and an MS(hydroxypropyl) of from 0.50 to 1.20 is useful for producing extrusion-molded bodies for use as a carrier for a catalyst, a catalyst, a heat exchanger, or a filter.Type: GrantFiled: April 19, 2011Date of Patent: March 3, 2015Assignee: Dow Global Technologies LLCInventor: Roland Bayer
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Patent number: 8959954Abstract: A process for producing proppants from waste mineralogical material. The process can include providing the waste mineralogical material in a form such as particles, fines, dust, powders, and the like, and forming a plurality of “green” pellets from the waste mineralogical material. Thereafter, the plurality of green pellets are fed into a provided flame drop tower that has a combustion flame, a hot zone, and a collection basin located downstream from the hot zone. The plurality of green pellets pass through the hot zone, are melted and subsequently solidified in the shape of a sphere downstream from the hot zone to form vitrified glass spheres. In some instances, the vitrified glass spheres are subjected to a devitrification step.Type: GrantFiled: January 17, 2013Date of Patent: February 24, 2015Assignee: The Penn State Research FoundationInventors: Ryan P. Koseski, John R. Hellmann, Barry E. Scheetz
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Patent number: 8951462Abstract: Provided is a method of manufacturing porous ceramic bodies with gradient of porosity, in which a gradient that is continuous to a pore size and porosity is precisely controlled in a simple way. The method includes the steps of: obtaining molded bodies by pressurizing and molding a mixture of powder obtained by mixing ceramic powder and polymer powder at a weight ratio of 1:1 to 100:1; and obtaining sintered bodies with gradient of porosity by sintering the molded bodies while applying a gradient pressure to the molded bodies.Type: GrantFiled: June 19, 2012Date of Patent: February 10, 2015Assignee: SNU R&DB FoundationInventors: Kug Sun Hong, Ki Tae Nam, Hae Lin Jang, Kyoung Suk Jin, Jingming Xu, Tae-Youl Yang, Jimin Park, Hui-Yun Jeong
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Patent number: 8951463Abstract: A method for the production of tungsten carbide based cemented carbide or cermet tools or components using the powder injection molding method includes mixing of hard constituent powder and a metallic binder powder with an organic binder system, consisting of 30-60 wt-% olefinic polymers and 40-70 wt-% nonpolar waxes, acting as a carrier for the powder. A metallic binder powder that is granulated with a nonpolar wax is used.Type: GrantFiled: December 17, 2009Date of Patent: February 10, 2015Assignee: Seco Tools ABInventors: Mattias Puide, Per Jonsson
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Patent number: 8945462Abstract: The present invention provides a method for manufacturing a calcined gypsum wherein the mixing water amount is reduced and the setting time does not increase. As a raw gypsum is compounded with a carboxylic acid-type material and calcined, a calcined gypsum can be manufactured wherein the mixing water amount is small and the setting time does not increase. Furthermore, a regular gypsum board can be manufactured without reducing the productivity of the gypsum board even if a large quantity of recycled gypsum causing increase of the mixing water amount is used as a raw gypsum, because the mixing water amount is small and the setting time does not increase for the calcined gypsum manufactured as described above.Type: GrantFiled: April 16, 2007Date of Patent: February 3, 2015Assignee: Yoshino Gypsum Co., Ltd.Inventor: Shizuo Taira
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Patent number: 8945461Abstract: Provided is a production method of a ?-sialon phosphor that europium ions are solid-solved in ?-sialon, including a mixing process for mixing raw materials of the ?-sialon phosphor; a burning process for burning the raw materials after the mixing process to form the ?-sialon phosphor; a HIP treatment process in which the ?-sialon phosphor after the burning process is subjected to a HIP treatment; an annealing process in which the ?-sialon phosphor after the HIP treatment process is subjected to an annealing treatment; and an acid treatment process in which the ?-sialon phosphor after the annealing process is subjected to an acid treatment. According to the production method of a ?-sialon phosphor, a ?-sialon phosphor excellent in luminescence intensity is obtained.Type: GrantFiled: November 1, 2010Date of Patent: February 3, 2015Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Tomohiro Nomiyama, Suzuya Yamada, Hisayuki Hashimoto