Patents Examined by Mary Lynn F. Theisen
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Patent number: 11453161Abstract: Disclosed herein are processes for production of a cured polymeric product which processes include using rubber particles to form a rubber layer, applying liquid binder to form a bound layer from the rubber layer, and curing, whereby repetition of steps allows for formation of additional layers and ultimately production of the cured polymeric product.Type: GrantFiled: October 24, 2017Date of Patent: September 27, 2022Assignee: Bridgestone Americas Tire Operations, LLCInventors: Andrew V. Haidet, Joshua P. Abell, Kung-Ching Liao
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Patent number: 11446869Abstract: A recoater for applying a layer of build material capable of solidification on a working surface, wherein the recoater comprises a discharge port and a flattening member, wherein the discharge port is configured to discharge build material to form a heap of build material ahead of the flattening member, wherein the flattening member is configured to spread material from the heap of build material along the working surface in order to form the layer of build material on top of the working surface through a gap formed between a lower surface of the flattening member and the working surface by relative movement of the flattening member and the working surface, wherein the recoater further includes a shutter distanced from the discharge port, wherein the shutter is configured to be movable between a closed position in which build material is not dispensed onto the working surface, and an opened position in which build material is dispensed onto the working surface, wherein the shutter is configured to close an adType: GrantFiled: September 13, 2019Date of Patent: September 20, 2022Assignee: Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNOInventors: Jeichienus Johannes Van Der Werff, Edwin Adrianus Cornelius Van Den Eijnden, Hendrik Abraham Buining
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Patent number: 11433607Abstract: The present disclosure relates to a discharging apparatus and a 3D printing device thereof, which pertains to the field of the 3D printing device. The discharging apparatus includes a housing, a driving module, and a heating module. The housing includes a body portion, and a movable portion detachably or rotatably connected to the body portion, wherein one end of the body portion is provided with a discharging hole, and in an operating state, the body portion and the movable portion form a relatively enclosed accommodating space. One end of the driving module is connected to the body portion, and the other end of the driving module is movable by a predetermined distance in the accommodating space. The heating module is attached to an inner wall of the body portion and/or the movable portion.Type: GrantFiled: May 14, 2021Date of Patent: September 6, 2022Inventor: Haipeng Zhou
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Patent number: 11420264Abstract: The present invention relates to a method for producing a 3D object and to a system adapted to implement the method, wherein the method comprises: —providing a powder material (G); —providing a radiation absorbent material, in the form of optically resonant particles (P), on a region to be sintered of the powder material; and—sintering the region to be sintered of the powder material (G), by exposing to light the optically resonant particles (P) to radiation. The method comprises providing the optically resonant particles (P) according to a distribution and proportion, with respect to the powder material (G) included in the region to be sintered, selected: —to disperse the optically resonant particles (P) within the powder material (G) included in said region, and—to avoid substantial agglomeration and substantial self-sintering of the optically resonant particles (P).Type: GrantFiled: April 10, 2018Date of Patent: August 23, 2022Assignees: FUNDACIÓ INSTITUT DE CIÈNCIES FOTÔNIQUES, INSTITUCIÓ CATALANA DE RECERCA I ESTUDIS AVANAISInventors: Romain Quidant, Gerasimos Konstantatos, Alexander Powell, Alexandros Stavrinadis, Jianjun Wang
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Patent number: 11413816Abstract: The present disclosure relates to a composition for printing a three-dimensional object. The composition comprises composite particles comprising a thermoplastic 5 polymer and a colour-masking pigment. The colour-masking pigment is encapsulated by the thermoplastic polymer and is present in an amount of from about 1.5 to less than about 6 wt % of the total weight of the composite particles.Type: GrantFiled: March 20, 2018Date of Patent: August 16, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Carolin Fleischmann, Hector Lebron, Yi Feng, Jesiska Tandy, Alay Yemane, Ali Emamjomeh
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Patent number: 11413822Abstract: Examples relate to a 3D printing system comprising a connection to a 3D printing chamber; an energy source to apply energy to a 3D build material and an energy source chamber separate from the 3D printing chamber. The energy source chamber contains the energy source. The 3D printing system comprises an air valve system, the air valve system comprising a first valve element selectively connecting the energy source chamber and the connection to the 3D printing chamber and a second valve element selectively connecting an external air input and the connection to the 3D printing chamber. The 3D printing system also comprises a first sensor measuring a temperature representative of a temperature in the 3D printing chamber and an air valve controller connected to the air valve system to regulate the temperature in the 3D printing chamber in function of data provided by the sensor.Type: GrantFiled: July 25, 2018Date of Patent: August 16, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: David Echevarria Lopez, Alejandro Torres Pinero, Francesc Salas Roura
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Patent number: 11407216Abstract: The invention relates to a device for constructing a laminar body from a plurality of superimposed layers of free-flowing material, in particular particulate material, and a build platform within a working area. The layers are solidified in locally predetermined regions by the action of binders and are joined together so that at least one moulded body is formed by the solidified and joined regions of the layers. The device comprises a discharging device movable back and forth over the working area in at least one discharge direction and having at least one discharge opening from which the free-flowing material can be discharged in individual superimposed layers during the movement of the discharging device.Type: GrantFiled: March 5, 2021Date of Patent: August 9, 2022Assignee: VOXELJET AGInventors: Andreas Dominik Hartmann, Dominik Schmid
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Patent number: 11400516Abstract: A method for producing a three-dimensional model via additive manufacturing includes building a green block in a layerwise manner with a powder material and a solidifiable non-powder material. The green block includes a green usable model. The solidified non-powder material is removed from the green block to extract the green usable model from the green block and the density of the green usable model is increased by applying Cold Isostatic Pressing (CIP). The green usable model is then sintered to produce a three-dimensional model.Type: GrantFiled: March 20, 2018Date of Patent: August 2, 2022Assignee: Stratasys Ltd.Inventors: Yehoshua Sheinman, Shai Hirsch
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Patent number: 11396130Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes composite particles of titanium dioxide at least partially coated with a polyether block amide polymer. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the composite particles in the at least the portion.Type: GrantFiled: May 11, 2018Date of Patent: July 26, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Carolin Fleischmann, Rachael Donovan, Yi Feng
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Patent number: 11390023Abstract: A method of forming a three-dimensional object comprises the steps of forming a layer of a particulate composition, selectively depositing a liquid composition onto the layer of the particulate composition in accordance with computer data corresponding to the shape of at least a portion of a three-dimensional object, initiating polymerization, and repeating the steps a plurality of times to form a three-dimensional object. The particulate composition comprises a plurality of first particles that comprise a resin component comprising a first resin, the first resin comprising a first resin polymerizable group, the first resin polymerizable group comprising a carbon-carbon double bond directly attached to an electron withdrawing group, a thermal radical initiator dispersed or dissolved in the resin component, and a retardant dispersed or dissolved in the resin component.Type: GrantFiled: March 30, 2021Date of Patent: July 19, 2022Assignee: Covestro (Netherlands) B.V.Inventors: Johan Franz Gradus Antonius Jansen, Rudolfus Antonius Theodorus Maria Van Benthem, Paulus Franciscus Anna Buijsen, Franciscus Johannes Marie Derks, Mark Petrus Franciscus Pepels, Alfred Jean Paul Buckmann
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Patent number: 11383218Abstract: The present disclosure relates to a system and method for synthesis of condensed nano-materials to at least one of create nanoparticles or modify existing nanoparticles. In one embodiment the system may have a source of liquid precursor, with the liquid precursor including a compound therein. A flow control element and a compression wave generating subsystem are also included. The flow control element is in communication with the source of the liquid precursor and creates a jet of liquid precursor. The compression wave generating subsystem drives a compression wave through at least a substantial portion of a thickness of the jet of liquid precursor to sufficiently compress the jet of liquid precursor, and to increase pressure and temperature of the jet of liquid precursor, to at least one of create nanoparticles or modify existing nanoparticles.Type: GrantFiled: December 3, 2020Date of Patent: July 12, 2022Assignee: Lawrence Livermore National Security, LLCInventors: Michael Robert Armstrong, Sorin Bastea
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Patent number: 11384241Abstract: According to examples described herein, methods, compositions, and parts comprising an antistatic agent are described. According to one example, a method of three-dimensional printing can comprise: (i) a layer of build material being deposited; (ii) a first fusing agent being selectively applied on the build material, wherein the first fusing agent can comprise at least one first antistatic agent; and (iii) repetition of (i) and (ii) at least once to form a core of a three-dimensional part.Type: GrantFiled: January 26, 2018Date of Patent: July 12, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Graciela Emma Negri Jimenez, Alexey S Kabalnov, Jacob Wright
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Patent number: 11383436Abstract: An apparatus, system and method are provided for launching, deploying and moving mobility platforms used to produce a three-dimensional product using additive printing. The product, or object, is made by collecting materials in-situ at an off-Earth celestial body. A sintering apparatus, such as a laser, is used to consolidate the planetary regrowth into a solid object. The apparatus can receive power, and can apply heat to assist in the consolidation process. The apparatus is moveable to the build site, and includes a print head having a collector for receiving collected materials, a conditioner for sintering and heating the collected materials, and an extruder, specifically a slip form opening in which the materials can be dispersed over the surface of the extraterrestrial body where the powder form of the conditioned materials are sintered, fused, or consolidated into a hard solid bead of material.Type: GrantFiled: May 5, 2021Date of Patent: July 12, 2022Assignee: ICON TECHNOLOGY, INC.Inventors: Jason D. Ballard, Michael McDaniel, Evan Jensen, Alex LeRoux
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Patent number: 11377765Abstract: A leather substrate formed from waste leather and its method of production, particularly a leather substrate made up substantially of a collagen fibril matrix.Type: GrantFiled: February 26, 2020Date of Patent: July 5, 2022Assignee: Sustainable Composites, LLCInventors: Thomas M. Tymon, Franklin L. Fox, Hudson T. Van Ormer
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Patent number: 11331827Abstract: In a method for the 3D-printing of hydrous mineral binder compositions, an aqueous accelerator is mixed with the binder composition in a continuous mixer. The method is very robust and makes it possible to quickly print even large moulded bodies having a uniform aesthetic surface and very good strength development properties.Type: GrantFiled: August 8, 2018Date of Patent: May 17, 2022Assignee: SIKA TECHNOLOGY AGInventors: Maxime Liard, Didier Lootens, Marc Schumacher
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Patent number: 11312077Abstract: The embodiments of the present disclosure provide a 3D printing apparatus, a production line using the apparatus, and a cyclical printing method thereof. The 3D printing apparatus includes a frame assembly, and a powder spreading unit, a powder spreading movement system, a powder supply device, an inkjet unit, an inkjet movement system, a working box, a transfer unit, an inner lifting mechanism, an outer lifting mechanism, an accessory unit and an auxiliary unit that are mounted on the frame assembly.Type: GrantFiled: May 24, 2019Date of Patent: April 26, 2022Assignee: KOCEL INTELLIGENT MACHINERY LIMITEDInventors: Fan Peng, Yi Liu, Zhijun Zhou, Nanhua Meng, Zhengjie Li
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Patent number: 11298876Abstract: An example of a three-dimensional (3D) printing kit includes a build material composition and a fusing agent to be applied to at least a portion of the build material composition during 3D printing. The build material composition includes a polyamide having: an avalanche angle ranging from about 35 degrees to about 55 degrees; a break energy ranging from about 25 kJ/kg to about 57 kJ/kg; and an avalanche energy ranging from about 7 kJ/kg to about 22 kJ/kg. The fusing agent includes an energy absorber to absorb electromagnetic radiation to coalesce the polyamide in the at least the portion.Type: GrantFiled: June 19, 2018Date of Patent: April 12, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Erica Fung, Carolin Fleischmann, Jesiska Tandy, Carmina Querol Esparch, Greg S. Long, Ali Emamjomeh, Shannon Reuben Woodruff, Rachael Donovan, Kenneth Flack
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Patent number: 11304313Abstract: According to examples, a method of making a three-dimensional conductive printed part, including forming a layer of polymeric build material; selectively applying a fusing agent on a first selected area of the formed polymeric build material; selectively applying a conductive agent on a second selected area of the formed polymeric build material; and applying a solder receiving material to a portion of the first selected area and a portion of the second selected area; in which the solder receiving material is present on a surface of the conductive three-dimensional printed part is disclosed.Type: GrantFiled: December 15, 2017Date of Patent: April 12, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Sterling Chaffins, Kevin P. Dekam, Thomas A. Saksa, Juan Sebastian Ramirez
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Patent number: 11298853Abstract: Processes and apparatuses for producing polymer particles with a solid state polycondensation reactor and an underwater pelletization unit. The apparatuses use a pre-conditioning zone to adjust a temperature, crystallization in addition to dust, acetaldehyde and water content of the particles from a crystallization bin. Various inert gas streams can be provided from a purification unit to remove dust, acetaldehyde, water and adjust temperature and crystallinity of the particles, as also move the particles. The precondition zones have stages that allow for the particles to accurately achieve the desired SSP reactor inlet conditions.Type: GrantFiled: December 22, 2020Date of Patent: April 12, 2022Assignee: UOP LLCInventors: Raymond Shih, Jan De Ren
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Patent number: 11292189Abstract: In an example of a method for three-dimensional (3D) printing, a polymeric or polymeric composite build material is applied. A dielectric agent is selectively applied on at least a portion of the polymeric or polymeric composite build material. The dielectric agent includes a dielectric material having an effective relative permittivity (?r) value ranging from 1.1 to about 10,000. A fusing agent is selectively applied on the at least the portion of the polymeric or polymeric composite build material, and the polymeric or polymeric composite build material is exposed to radiation to fuse the at least the portion of the polymeric or polymeric composite build material to form a region of a layer of a 3D part. The region exhibits a dielectric property, a piezoelectric property, or a combination thereof.Type: GrantFiled: November 17, 2017Date of Patent: April 5, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Andrew Van Brocklin, Kevin P. DeKam, Vladek Kasperchik, Johnathon Holroyd, Douglas Pederson, Sterling Chaffins