Patents Examined by Andrés E. Behrens, Jr.
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Patent number: 11299428Abstract: The present invention provides a method for making a high strength, small grain size ceramic having a trans-granular fracture mode by rapid densification of a green body and subsequent cooling of the densified ceramic. The ceramic may include dislocations, defects, dopants, and/or secondary phases that are formed as a result of the process and resulting in stress fields capable of redirecting or arresting cracks within the material. This ceramic can maintain transparency from ultraviolet to mid-wave infrared.Type: GrantFiled: April 27, 2017Date of Patent: April 12, 2022Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Michael Hunt, Guillermo R. Villalobos, Benjamin Rock, Shyam S. Bayya, Woohong Kim, Ishwar D. Aggarwal, Bryan Sadowski, Jasbinder S. Sanghera
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Patent number: 11298855Abstract: The present invention relates to a method of manufacturing a hyaluronate film and a hyaluronate film manufactured thereby, and more particularly to a method of manufacturing a hyaluronate film through a solvent-casting process or using an automatic film applicator that facilitates mass production and to a hyaluronate film manufactured thereby, which is useful as a mask pack for cosmetics, a patch for medicaments and medical devices, a film-type adhesion inhibitor, etc. Unlike conventional liquid products, the hyaluronate film according to the present invention has a dry surface and thus entails no concern about microbial contamination, is easy to produce/manage/distribute/use, and has superior mechanical properties, whereby it can be utilized for various applications such as packs, patches, artificial skin and the like for cosmetics, medicaments, and medical devices.Type: GrantFiled: March 7, 2018Date of Patent: April 12, 2022Assignee: JINWOO BIO CO., LTD.Inventors: Dong Keon Kweon, Joo Yeon Hong, Ji Hyun Bang, Seung Taik Lim, So Mang Choi, Seul Ki Kim, Man Ha, Young Mo Lee
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Patent number: 11292152Abstract: An extrusion die (100) for a honeycomb body, the die (100) including: an input surface (102); an opposing output surface (104); feed holes (108) extending from the input surface (102) toward the output surface (104); discharge slots (106) having a slot width (SW) and a slot length (SL), and extending from the output surface (104) toward the input surface (102); and a plenum (130) fluidly connecting the feed holes (108) and the discharge slots (106). The plenum (130) may include chambers (132) connected to the feed holes (108) and including tapered outlets (134) connected to the discharge slots (106). The plenum (133) may include first chambers (132A) connected to the feed holes (108) and including first tapered outlets (134A), and second chambers (132B) connected to the first outlets and including second tapered outlets (134B) connected to the discharge slots (106).Type: GrantFiled: November 18, 2016Date of Patent: April 5, 2022Assignee: Corning IncorporatedInventors: Thomas William Brew, Tushar Gulati, Lee James Parks, Min Shen
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Patent number: 11285640Abstract: The present disclosure relates to a facility for forming one of a graphene-polymer resin composite and a carbon material-polymer resin composite. According to the facility of the present disclosure, in a process of forming the composite, gas and water vapor contained in graphene, a carbon material, and a polymer resin are effectively removed resulting in an increase in coupling force between the polymer resin and one of the graphene and the carbon material, and the graphene and the carbon material is uniformly dispersed inside the polymer resin resulting in no degradation of physical properties of the composite, and also, the polymer resin may be prevented from carbonizing and solidifying because there is no stagnant section while molten liquid of the polymer resin and one of the graphene and the carbon material passes through each apparatus in the facility, and thus, physical properties of the composite are maintained constant.Type: GrantFiled: April 8, 2020Date of Patent: March 29, 2022Assignees: NEXT-GEN GRAPHENE POLYMERS CO., LTD, A-1 GREEN TECH, INCInventor: Jong-soo Kim
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Patent number: 11286165Abstract: The present invention provides a method for producing an artificial graphite electrode that enables kneading and subsequent mixing to be carried out without having to increase an amount of binder pitch used even in the case of needle coke having a large pore volume. An artificial graphite electrode is produced by kneading binder pitch with needle coke, and performing extrusion molding and then performing baking and graphitization process on the same, wherein a process for kneading the binder pitch with needle coke includes at least two separate kneading stages, and the amount of binder pitch added and kneading time in these kneading stages satisfy a kneading index as represented by formula (1) below within a range of 0.1 to 0.7.Type: GrantFiled: March 16, 2017Date of Patent: March 29, 2022Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.Inventor: Yoichi Kawano
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Patent number: 11279063Abstract: Provided is a method of preparing a biodegradable film, which comprises the steps of coating a soluble supporting solution on a substrate, coating a prepolymer solution, pre-drying, crosslinking, and separating. With the technical means, the method can separate the biodegradable film from the substrate smoothly, thereby ensuring the film integrity of the produced biodegradable film.Type: GrantFiled: December 27, 2019Date of Patent: March 22, 2022Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Erh-Yeh Tsou, Ta-Jo Liu, Jane Wang
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Patent number: 11274065Abstract: An inorganic felt material includes zirconia stabilized by at least one Group IIA material, such that the Group IIA material includes at least one of calcium (Ca), magnesium (Mg), or a combination thereof. The felt material may also include at least one Group III material.Type: GrantFiled: June 13, 2018Date of Patent: March 15, 2022Assignee: FuelCell Energy, Inc.Inventors: Matthew T. Snider, Chao-yi Yuh
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Patent number: 11267948Abstract: The invention to provide a system of equipment for making synthetic building materials using plastic wastes combined with industrial and agricultural scrap includes: sorting and cleaning equipment, grinding equipment, powder grinding equipment, mixing equipment, pelletizing equipment, drying equipment, hot stir equipment, shaping equipment are connected together by mechanical connectors. The database connected to the controller controls the sorting and cleaning equipment, the grinding equipment, the powder grinding equipment, the mixing equipment, the pelletizing equipment, the drying equipment, the hot stir equipment, and the shaping equipment through transmission channels. In addition, the present invention provides a method of manufacturing for making synthetic building materials using plastic wastes combined with industrial and agricultural scrap.Type: GrantFiled: February 3, 2021Date of Patent: March 8, 2022Inventor: Hoan Trong Phan
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Patent number: 11260556Abstract: A method for additive manufacturing includes: forming a three-dimensional object by: depositing a layer of a powdered build material onto a surface; selectively depositing a liquid comprising a susceptor onto the layer of the powdered build material in a pattern; and heating the object by electromagnetic radiation with a microwave or radio wave frequency, in an atmosphere including oxygen, to a temperature sufficient to sinter the powdered build material.Type: GrantFiled: July 20, 2016Date of Patent: March 1, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: James Elmer Abbott, Jr., Vladek Kasperchik
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Patent number: 11255203Abstract: A method for manufacturing a part made of composite material includes injecting into a fibrous texture a slurry including at least one powder of refractory ceramic particles suspended in a liquid phase, filtering the liquid phase of the slurry and retaining the powder of refractory ceramic particles inside the texture so as to obtain a fibrous preform loaded with refractory ceramic particles, densifying the fibrous texture by treatment of the refractory ceramic particles present in the fibrous texture in order to form a refractory matrix in the texture. The method further includes, before injecting the slurry under pressure, pre-saturating the fibrous texture with a carrier fluid consisting in injecting into said texture a carrier fluid.Type: GrantFiled: September 19, 2018Date of Patent: February 22, 2022Assignee: SAFRAN CERAMICSInventors: Nicolas Eberling-Fux, Eddy Goullianne, William Ros
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Patent number: 11247411Abstract: A method of manufacturing an automobile emblem is disclosed, which is for manufacturing an emblem that is to be disposed on a front surface of an automobile and represents a particular shape. A method of manufacturing an automobile emblem according to an embodiment of the invention can provide an automobile emblem that has a metallic texture and a silver luster without hindering the reception of waves for an automobile front radar.Type: GrantFiled: April 1, 2019Date of Patent: February 15, 2022Assignee: DLP CO., LTD.Inventor: Jae Young Park
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Patent number: 11241827Abstract: A fabrication device includes a build surface for production of a 3-dimensional solid component, a material delivery system configured to deposit one or more build materials on the build surface, at least one of the one or more build materials being a photocurable material, a first imaging component having a first resolution, and a second imaging component having a second resolution different from the first resolution. In this configuration, the first imaging component and the second imaging component are operable individually and in combination together to selectively irradiate the photocurable material to at least partially solidify successive layers of the 3-dimensional solid component In one example, the lower resolution imaging component solidifies bulk interior regions and the higher resolution component solidifies detailed borders.Type: GrantFiled: April 7, 2016Date of Patent: February 8, 2022Assignee: TRIO LABS, INC.Inventor: Adam T. C. Steege
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Patent number: 11235490Abstract: A method for the additive production of a ceramic main part has the following steps: providing a slip of ceramic base material particles suspended in a liquid phase; producing a slip layer; orienting the radiation of a laser light source onto a section of the slip layer; evaporating liquid phase out of the slip layer in the section of the slip layer onto which the radiation of the laser light source is oriented or was oriented; forming a section of the ceramic main part in the slip layer in a sinter-free manner; optionally repeating the steps of producing a slip layer, orienting the radiation, evaporating the liquid phase, and forming a section of the main part in a sinter-free manner until the ceramic main part is provided; and separating the ceramic main part from the slip.Type: GrantFiled: December 26, 2017Date of Patent: February 1, 2022Assignee: Alumina Systems GmbHInventors: Jens Guenster, Juergen Heinrich, Thomas Muehler
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Patent number: 11230044Abstract: The present disclosure provides a method of producing a molded product. The method comprises steps of performing, via computer-assisted engineering simulation software, a first simulation process to generate a plurality of molding conditions comprising a default injection velocity profile and a default packing pressure profile; conducting, via an injection-molding apparatus, a trial molding to inject a molding material into a mold using the default molding conditions and sensing a plurality of in-mold pressures at different sites in a mold cavity of the mold; and conducting, via an injection-molding apparatus, an actual molding to produce the molded product using the default molding conditions if a deviation of the in-mold pressures at an endpoint of a packing stage is less than a target value.Type: GrantFiled: December 8, 2020Date of Patent: January 25, 2022Assignee: CORETECH SYSTEM CO., LTD.Inventors: Rong-Yeu Chang, Yuing Chang, Chia-Hsiang Hsu, Ting-Yu Cheng
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Patent number: 11230049Abstract: Aspects of the disclosure relate to envelopes for aerial vehicle. The aerial vehicle may include an envelope including a plurality of gores. The aerial vehicle may also include a seal arranged between a pair of the plurality of gores, the seal including six layers of envelope material heat-sealed together.Type: GrantFiled: August 21, 2019Date of Patent: January 25, 2022Assignee: Aerostar International, Inc.Inventors: Kevin Roach, Chaokun Gong, Chase Haegele
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Patent number: 11225433Abstract: A sintered machinable glass-ceramic is provided. The machinable glass-ceramic is formed by mixing phyllosilicate material having a sheet structure, with a glass fit and firing the mixture at relatively low temperatures to sinter the phyllosilicate, while maintaining the sheet-like morphology of the phyllosilicate and its associated cleaving properties. The sintered machinable glass-ceramic can be machined with conventional metal working tools and includes the electrical properties of the phyllosilicate. Producing the sintered machinable glass-ceramic does not require the relatively high-temperature bulk nucleation and crystallization needed to form sheet phyllosilicate phases in situ.Type: GrantFiled: December 2, 2016Date of Patent: January 18, 2022Assignee: Ferro CorporationInventors: Srinivasan Sridharan, George E. Sakoske, John J. Maloney, Cody Gleason, Gregory R. Prinzbach, Bradford Smith, Chih Cheng Wang
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Patent number: 11214505Abstract: One aspect is a process to producing a synthetic quartz glass, including an annealing treatment that includes: putting a synthetic quartz glass as a parent material into a heat treatment furnace; elevating a temperature in the heat treatment furnace to a prescribed keeping temperature that is equal to or higher than the annealing point; keeping the keeping temperature; annealing the synthetic quartz glass; and taking the synthetic quartz glass out of the heat treatment furnace. The process includes determining an annealing rate v [° C./h] of the annealing step based on a value of S/V [mm2/mm3], wherein S [mm2] is the surface area of the synthetic quartz glass as a parent material and V [mm3] is the volume thereof and a target birefringence Re [nm/cm] for the synthetic quartz glass after the annealing, and the annealing step is performed at the determined annealing rate v.Type: GrantFiled: April 23, 2018Date of Patent: January 4, 2022Assignees: Shin-Etsu Quartz Products Co., Ltd., Heraeus Quarzglas GmbH & Co. KGInventor: Manabu Utsumi
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Patent number: 11208357Abstract: A method for producing a silicon carbide sintered body, comprising adding water to a raw material mixture containing silicon carbide powder, at least one binder, and optionally at least one carbon source other than the silicon carbide and the at least one binder, and subjecting the raw material mixture to kneading, molding, and drying in this order, to obtain a dried body; heating the dried body to remove organic substances from the dried body to obtain a degreased body; and firing the degreased body in an inert atmosphere to obtain a silicon carbide sintered body. The method comprises controlling an expansion/shrinkage rate of the sintered body by adjusting at least one of (1) an amount of the at least one carbon source in the raw material mixture, (2) an amount of the at least one binder in the raw material mixture, and (3) a degreasing rate.Type: GrantFiled: March 28, 2018Date of Patent: December 28, 2021Assignee: NGK Insulators, Ltd.Inventors: Hiroki Ishida, Hironori Takahashi
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Patent number: 11192300Abstract: Disclosed are a system for and a method of manufacturing a three-dimensional (3D) structure. The method may include injecting a fluid with a first pressure toward a surface of a first output layer to form a softening layer in the first output layer, injecting the fluid with a second pressure toward the softening layer to form an uneven structure in the softening layer, the second pressure being higher than the first pressure, and forming a second output layer on the softening layer with the uneven structure.Type: GrantFiled: February 12, 2020Date of Patent: December 7, 2021Assignee: Electronics and Telecommunications Research InstituteInventors: Ji-Young Oh, Yong Suk Yang, Kyung Hyun Kim, Kyu Sung Lee
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Patent number: 11168033Abstract: A method for drying at least one unfired columnar honeycomb formed body comprising a raw material composition containing at least one raw material of ceramics, water and at least one heat-gelling binder, and cells defined by partition walls comprising flow paths from a first end surface to a second end surface. The method comprising drying the honeycomb formed body by passing hot gas satisfying 0.8?T2/T1?3.3, where T1 represents a gelation temperature of the binder (° C.) and T2 represents a wet-bulb temperature of the hot gas (° C.) through the flow paths from the first end surface and out the second end surface, while surrounding the honeycomb formed body with a correction mold to correct the shape of the honeycomb formed body during drying.Type: GrantFiled: March 19, 2018Date of Patent: November 9, 2021Assignee: NGK Insulators, Ltd.Inventors: Shuhei Kuno, Hironori Takahashi