Patents Examined by Erin Snelting
  • Patent number: 10428267
    Abstract: Methods for producing solid, substantially round, spherical and sintered particles from a slurry of a raw material having an alumina content of greater than about 40 weight percent. The slurry is processed to prepare green pellets which are sintered in a furnace with microwave energy at a temperature of 1480 to 1520° C. to produce solid, substantially round, spherical and sintered particles having an average particle size greater than about 200 microns, a bulk density of greater than about 1.35 g/cm3, and an apparent specific gravity of greater than about 2.60.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: October 1, 2019
    Assignee: CARBO CERAMICS, INC.
    Inventors: Chad Cannan, Brett A. Wilson, Benjamin T. Eldred
  • Patent number: 10427980
    Abstract: A preparation method of a ceramic membrane support is disclosed. Take aluminum hydroxide, produced through a carbon decomposing process by a sintering method, as a raw material, pre-sinter the aluminum hydroxide, and obtain a low-temperature alumina product A; add a first amount of mineralizer into the product A, grind after calcining the added product A, and obtain a ?-alumina product B; mix the product B with Al2O3.nH2O, calcine after adding a second amount of mineralizer into the mixed product B, and obtain a ?-alumina product C; grind, scatter and grade the calcined and heat-preserved ?-alumina product C, and obtain polyhedral alumina powders; mix the polyhedral alumina powders, water, humectant and dispersant and then sinter, and finally obtain the porous alumina support. The prepared support is easy to be sintered, is high in alumina purity, is good in corrosion resistance, and is improved in porosity and flux.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: October 1, 2019
    Inventors: Fanpeng Meng, Zhenkun Fan, Chao Zhang, Jian Zhang
  • Patent number: 10421228
    Abstract: Use of a composition comprising A) from 55 to 90% by weight of aluminum oxide, B) from 5 to 35% by weight of a sodium compound which at a pH of 7 at 20° C. has a solubility in water of ?300 g/l and can be converted by thermal means virtually exclusively into sodium oxide as only solid, C) from 0 to 15% by weight of a magnesium compound and/or a lithium compound selected from the group consisting of: magnesium oxide, magnesium carbonate, magnesium nitrate, lithium oxide, lithium carbonate, lithium nitrate and D) from 0 to 30% by weight of zirconium dioxide for producing a shaped ceramic body by extrusion.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: September 24, 2019
    Assignee: BASF SE
    Inventors: Anna K. Dürr, Günther Huber, Christian Eichholz, Katrin Freitag, Stefan Meuer
  • Patent number: 10414065
    Abstract: A method for manufacturing a honeycomb structure according to the present invention is a method for manufacturing a honeycomb structure provided with partitions forming a plurality of cells. This manufacturing method includes a structure formation process including a pore-forming material placement step of placing a pore-forming material for forming pores in the partitions, a raw material placement step of placing tabular grains and raw material grains such that the tabular grains are arranged in a predetermined direction with respect to the partition surfaces while the tabular grains and the raw material grains constitute a raw material for forming the partitions, and a sintering step of sintering the placed raw material. The honeycomb structure is produced by repeating the structure formation process a plurality of times.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: September 17, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Satoshi Sakashita, Hiroyuki Nagaoka
  • Patent number: 10399888
    Abstract: The invention provides a production method for a glass particulate deposit M which includes a deposition step where a starting rod 111 and a burner 222 for production of glass particles 130 are installed in a reactor 102, a glass source material is introduced into the burner 222, the glass source material is subjected to flame thermal decomposition in the flame formed by the burner 222 to thereby form glass particles 130, and the formed glass particles 130 are deposited on the starting rod 111 to produce a glass particulate deposit M. In the deposition step of the production method, at least two ejecting ports 231 are provided per one burner 222 for ejecting the glass source material from the burner 222, and a flow rate of the glass source material jetting out through one glass source material ejecting port 231 is from 4 m/s to 60 m/s.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: September 3, 2019
    Inventors: Tomohiro Ishihara, Takashi Yamazaki
  • Patent number: 10399907
    Abstract: Methods, systems, and processes are used to prepare novel ceramic composite structures that are strong, durable, light-weight, high performance and suitable for a myriad of industrial applications, including, but not limited to, ceramic plates of material suitable for use as ballistic armor. The low manufacturing costs of the processes disclosed provide cheaper, faster ways of producing ceramic matrix composites at lower temperatures and allow for the existence of composite materials and structures which currently are not available.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: September 3, 2019
    Assignee: Dynamic Material Systems, LLC
    Inventors: William Easter, Arnold Hill
  • Patent number: 10398536
    Abstract: The invention relates to a method for processing a dental material (28), in particular pressing and curing a dental material, by means of —a molding insert (30) that has a pre-pressing area (22) which adjoins a molding area (14, 16), wherein the pre-pressing area (22) is designed to receive the dental material (28), and —a pressing furnace with a firing chamber (10) for receiving the molding insert (30).
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: September 3, 2019
    Assignee: Ivoclar Vivadent AG
    Inventor: Rudolf Jussel
  • Patent number: 10391671
    Abstract: A process for producing a non-dense sintered ceramic molded body having at least two layers, wherein a first powdery ceramic material forming a layer is contacted with at least a second powdery material forming at least a second layer; said first powdery material has a presintering temperature T1 that is higher than the presintering temperature Ts of said at least second powdery ceramic material; the course of a curve of shrinkage S1 of said at least first powdery ceramic material differs from the course of a curve of shrinkage S2 of said at least second powdery material, wherein curve of shrinkage S1 is shifted towards higher temperatures as compared to curve of shrinkage S2; and the layers are subjected to a common temperature treatment at a presintering temperature Ts that is lower than the presintering temperature T1 and at least equal to T3 to cause sintering that remains in a stage of sintering that has not proceeded to the theoretical density; wherein the curve of shrinkage S1 is modified by admixing a
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: August 27, 2019
    Assignee: Vita Zahnfabrik H. Rauter GmbH & Co. KG
    Inventors: Michael Tholey, Michael Dorn, Michael Godiker, Norbert Thiel
  • Patent number: 10392285
    Abstract: A submerged combustion melter includes a floor, a roof, and a sidewall structure connecting the floor and roof defining an internal space. A first portion of the internal space defines a melting zone, and a second portion defines a fining zone immediately downstream of the melting zone. One or more combustion burners in either the floor, roof, the sidewall structure, or any combination of these, are configured to emit the combustion gases from a position under a level of, and positioned to transfer heat to and produce, a turbulent molten mass of glass containing bubbles in the melting zone. The fining zone is devoid of combustion burners or other apparatus or components that would increase turbulence above that in the melting zone. The melter may include a treating zone that stabilizes or destabilizes bubbles and/or foam. Processes of using the melters are a feature of the disclosure.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: August 27, 2019
    Assignee: Johns Manville
    Inventors: Mark William Charbonneau, Kevin Patrick McHugh, Aaron Morgan Huber
  • Patent number: 10384393
    Abstract: Provided herein are methods of manufacturing a ceramic article. The methods may include providing a liquid-state pre-ceramic polymer component, disposing the liquid-state pre-ceramic polymer component on a support, curing the liquid-state pre-ceramic polymer component, and subjecting the pre-ceramic polymer to pyrolysis. Apparatuses and systems for manufacturing a ceramic article also are provided.
    Type: Grant
    Filed: May 27, 2017
    Date of Patent: August 20, 2019
    Assignee: Florida State University Research Foundation, Inc.
    Inventors: Chengying Xu, Amanda Schrand
  • Patent number: 10351476
    Abstract: Provided is a cement composition that has high fluidity (for example, a 0-drop flow value of 200 mm or more) before curing and exhibits high compressive strength (for example, 320 N/mm2 or more) after curing. The cement composition includes a cement, a silica fume having a BET specific surface area of from 10 m2/g to 25 m2/g, an inorganic powder having a 50% cumulative particle size of from 0.8 ?m to 5 ?m, a fine aggregate having a maximum particle size of 1.2 mm or less, a water reducing agent, an antifoaming agent, and water. The ratio of the cement is from 55 vol % to 65 vol %, the ratio of the silica fume is from 5 vol % to 25 vol %, and the ratio of the inorganic powder is from 15 vol % to 35 vol % in the total amount of 100 vol % of the cement, the silica fume, and the inorganic powder.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: July 16, 2019
    Inventors: Risa Nakayama, Katsuya Kono, Katsuhiko Tada, Hiroaki Mori, Shingo Sugiyama, Shinpei Maehori
  • Patent number: 10350786
    Abstract: The cutting method of a honeycomb formed body includes an end face cutting step of cutting both end faces of the ceramic honeycomb formed body before fired, by use of blade type rough-cutting grinding wheels in which coarse abrasive grain layers are formed; a honeycomb formed body rotating step of rotating the honeycomb formed body round a rotation axis which is a central axis perpendicular to the end faces of the honeycomb formed body; and an end face finishing step of disposing two finish-polishing grinding wheels via a predetermined distance so that finishing abrasive grain layers formed in the finish-polishing grinding wheels face each other, rotating the finish-polishing grinding wheels round a rotary shaft which is a central shaft of the finish-polishing grinding wheels, and moving the honeycomb formed body to pass the honeycomb formed body between the two finish-polishing grinding wheels, thereby finish-polishing cut surfaces which are cut.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: July 16, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Nobuyuki Umetsu, Takuya Yamada
  • Patent number: 10336641
    Abstract: A method for producing foam glass with high open pore content using recycled waste glass. The size of the pores of the foam glass is small and uniform, and such foam glass is suitable for building material with thermal insulating and sound proofing properties. The foam glass produced by this method is lightweight, durable and has high compression strength.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: July 2, 2019
    Assignee: Ngee Ann Polytechnic
    Inventors: Xiaolong Sun, Qingchi Xu
  • Patent number: 10336937
    Abstract: Disclosed here is a method for making a monolithic rare earth oxide (REO) aerogel, comprising: preparing a reaction mixture comprising at least one rare earth metal nitrate, at least one epoxide, at least one base catalyst, and at least one organic solvent; curing the mixture to produce a wet gel; drying the wet gel to produce a dry gel; and thermally annealing the dry gel to produce the monolithic REO aerogel. Also disclosed is an REO aerogel comprising a network of REO nanostructures, wherein the REO aerogel is a monolith having at least one lateral dimension of at least 1 cm, wherein the REO aerogel has a density of about 40-500 mg/cm3 and/or a BET surface area of at least about 20 m2/g, and wherein the REO aerogel is substantially free of oxychloride.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: July 2, 2019
    Assignee: Lawrence Livermore National Security, LLC
    Inventors: Marcus A. Worsley, Alexander E. Gash, Robert A. Reibold
  • Patent number: 10335979
    Abstract: A ceramic part and methods for making the ceramic part are disclosed. A green body or non-sintered part may be formed using a casting or molding process. The green body may not be sintered or may be partially sintered before machining one or more features into a surface of the green body. After machining, the component may be fully sintered to create a hardened ceramic component.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: July 2, 2019
    Assignee: APPLE INC.
    Inventors: Naoto Matsuyuki, Adam T. Clavelle, Inori Iwata, David I. Nazzaro
  • Patent number: 10328181
    Abstract: A method for producing a ceramic osseoconductive bone substitute material, the bone substitute material, intervertebral disk implants containing the substitute bone material, and to methods of using the bone substitute material.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: June 25, 2019
    Inventors: Heinrich Wecker, Alfons Kelnberger, Peter Greil, Tobias Fey, Johanna Schmidt, Bodo Zierath
  • Patent number: 10322960
    Abstract: Controlling foam in apparatus downstream of a melter by adjustment of alkali oxide content in the melter. One method includes feeding a feedstock into a submerged combustion melter (SCM) apparatus having an internal space containing a flowing or non-flowing molten mass of foamed glass comprising molten glass and bubbles entrained therein, the molten mass having glass foam comprising glass foam bubbles on at least a portion of a top surface of the molten mass. The molten mass from the SCM is routed to a downstream apparatus, stability of the glass foam in the downstream apparatus is observed, and alkali oxide percentage fed to the SCM apparatus is adjusted based on the observation to positively or negatively affect the foam stability. Systems for carrying out the methods, and the products of the methods are also considered novel and inventive.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: June 18, 2019
    Assignee: Johns Manville
    Inventors: Marlon Keith Martin, Kristina Jevicova, Jeffrey M Shock, Mark William Charbonneau
  • Patent number: 10315957
    Abstract: A method for producing a transparent alumina sintered body includes (a) the step of preparing an alumina raw material powder containing a plate-like alumina powder having an aspect ratio of 3 or more so that the mass ratio R1 of F to Al in the alumina raw material powder is 5 ppm or more, and forming a compaction raw material containing the alumina raw material powder into a compact, and (b) the step of pressure-sintering the compact at a temperature at which F evaporate to yield a transparent alumina sintered body.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: June 11, 2019
    Assignee: NGK Insulators, Ltd.
    Inventors: Kiyoshi Matsushima, Morimichi Watanabe, Kei Sato, Tsutomu Nanataki
  • Patent number: 10315335
    Abstract: A method of preparing and rapidly curing a composite material having a thin cross section. The composite material includes a mixture of solid particles, at least some of which are a material that reacts with CO2, such as a silicate, for example Wollastonite. The green material is prepared by mixing the solid components with a liquid such as water to form a slurry, and forming green bodies by placing the slurry in forms. The green bodies are reacted with CO2 to form cured composite materials having thin sections, in the range of 10 to 15 mm. Curing in periods of 6 hours has been demonstrated.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: June 11, 2019
    Assignee: Solidia Technologies, Inc.
    Inventors: Xudong Hu, Deepak Ravikumar, Devin Patten
  • Patent number: 10295260
    Abstract: A ceramic liner can include a monolithic body having a surface portion and a bulk portion. The surface portion can have a thickness less than the total thickness of the monolithic body. The monolithic body can include an amorphous phase. The amorphous phase can be discontinuous. At least one member of the discontinuous phase can be embedded in the surface portion. The bulk portion can be substantially free of the amorphous phase. A method of forming a ceramic liner can include providing a furnace with a coating and a bulk material of the ceramic liner and heating the bulk material and the coating. In an embodiment, a coated lining form can be used to provide the coating. In a particular embodiment, the coating can be transferred to the bulk material from the coated lining form.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: May 21, 2019
    Inventors: John Carl Walsh, III, Michael P. Schnelzer, Edmund A. Cortellini