Patents by Inventor Krzysztof Nauka
Krzysztof Nauka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230264414Abstract: In an example of a method for forming three-dimensional (3D) printed electronics, a build material is applied. A fusing agent is selectively applied on at least a portion of the build material. The build material is exposed to radiation and the portion of the build material in contact with the fusing agent fuses to form a layer. An electronic agent is selectively applied on at least a portion of the layer, which imparts an electronic property to the at least the portion of the layer.Type: ApplicationFiled: April 10, 2023Publication date: August 24, 2023Inventors: Kristopher J. ERICKSON, Thomas ANTHONY, Howard S. TOM, Sivapackia GANAPATHIAPPAN, Lihua ZHAO, Krzysztof NAUKA
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Publication number: 20230264477Abstract: In one example in accordance with the present disclosure, a printhead cleaning device is described. The printhead cleaning device includes a first spout to generate a first cleaning agent fountain to bathe a printhead die as it traverses over the printhead cleaning device. A pump passes the cleaning agent through the first spout to generate the first cleaning agent fountain. The printhead cleaning device also includes a structure to support the first spout.Type: ApplicationFiled: July 7, 2020Publication date: August 24, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Chris Paul Schodin, Krzysztof Nauka
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Publication number: 20230226613Abstract: In one example in accordance with the present disclosure, an additive manufacturing system is described. The additive manufacturing system includes a build material distributor to deposit metal powder build material and an agent distribution system to selectively deposit a binding agent on the metal powder build material in a pattern of a layer of a three-dimensional (3D) object to be printed. The additive manufacturing system also includes an ultraviolet (UV) energy source. The UV energy source, in a layer-by-layer fashion 1) cures the binding agent to join together metal powder build material with binding agent disposed thereon and 2) evaporates a solvent of the binding agent.Type: ApplicationFiled: June 8, 2020Publication date: July 20, 2023Inventors: Krzysztof NAUKA, Michelle Miao NIU, Vladek P. KASPERCHIK, Emre DISCEKICI
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Patent number: 11697153Abstract: The present disclosure is drawn to a material set including a powder bed material and a binder fluid. The powder bed material can be from 80 wt % to 100 wt % metal particles having a metal core and a thin metal layer on the core, and the metal particles having a D50 particle size distribution value ranging from 4 ?m to 150 ?m and the thin metal layer having an average thickness from 20 nm to 2 ?m. The binder fluid can adhere a first portion of the powder bed material relative to a second portion of the powder bed material not in contact with the binder fluid.Type: GrantFiled: June 1, 2018Date of Patent: July 11, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Krzysztof Nauka, John Samuel Dilip Jangam, Kristopher J. Erickson
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Publication number: 20230202102Abstract: A three-dimensional printing kit can include a polymeric build material including from about (80) wt% to (100) wt% polymer particles having an average particle size from about (10) µm to about (150) µm, and can also include a fusing agent including an aqueous liquid vehicle and from about (2) wt% to about (20) wt% of a mixture of organic dye radiation absorbers. The mixture of organic dye radiation absorbers can include a charged yellow water-soluble organic dye and a cyan water-soluble organic dye. The mixture of the organic dye radiation absorbers can be from about (1) wt% to about (40) wt% soluble in water.Type: ApplicationFiled: June 4, 2020Publication date: June 29, 2023Applicant: HEWLETT-PACKARD DEVELOOPMENT COMPANY, L.P.Inventors: EMRE HIRO DISCEKICI, KRZYSZTOF NAUKA, SHANNON REUBEN WOODRUFF, STEPHEN G RUDISILL
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Publication number: 20230191696Abstract: According to an example, a composition may include a high melt temperature build material in the form of a powder; a first low melt temperature binder in the form of a powder; and a second low melt temperature binder in the form of a powder; and in which the first low melt temperature binder melts at a temperature that is different from the second low melt temperature binder.Type: ApplicationFiled: February 11, 2023Publication date: June 22, 2023Inventors: Krzysztof Nauka, Kristopher J. Erickson, Howard S. Tom, Lihua Zhao
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Patent number: 11673314Abstract: In one example, an apparatus for generating a three-dimensional object includes an energy source to apply energy to a layer of build material to cause a first portion of the layer to coalesce and solidify, an agent distributor to selectively deliver a cooling agent onto a second portion of the layer, and a controller to control the energy source to apply energy to the layer to cause the first portion to coalesce and solidify in a first pattern and to control the agent distributor to selectively deliver the cooling agent onto the second portion of the layer in a second pattern independent of the first pattern.Type: GrantFiled: January 21, 2019Date of Patent: June 13, 2023Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Krzysztof Nauka, Esteve Comas, Alejandro Manuel De Pena, Howard S. Tom, Hou T. Ng
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Patent number: 11654490Abstract: According to examples, an apparatus may include a build platform and a chamber. The chamber may support a layer forming station including a spreading component to spread a layer of build material particles onto the build platform and an agent delivery component to apply fusing agent onto selected locations on the spread layer of build material particles and a heating station including a heating component to apply energy onto the spread layer of build material particles and the applied fusing agent, in which the heating station is separated from the layer forming station. The apparatus may also include an actuator to move the chamber with respect to the build platform or vice versa while maintaining the separation between the layer forming station and the heating station.Type: GrantFiled: April 18, 2017Date of Patent: May 23, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Christopher Paul Schodin, Krzysztof Nauka
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Patent number: 11654629Abstract: In example implementations, a minor assembly for a three dimensional printer is provided. The minor assembly includes a first side and a second side. The first side is symmetrical to the second side and enclose a cylindrical light source. The first side and the second side each include a first curved reflective surface and a second curved reflective surface. An end of the first curved reflective surface and a beginning of the second curved reflective surface form an edge along a surface formed by the first curved reflective surface and the second curved reflective surface.Type: GrantFiled: October 26, 2018Date of Patent: May 23, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Camilo Andres Moreno Cleves, Krzysztof Nauka
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Patent number: 11648731Abstract: In an example of a method for forming three-dimensional (3D) printed electronics, a build material is applied. A fusing agent is selectively applied on at least a portion of the build material. The build material is exposed to radiation and the portion of the build material in contact with the fusing agent fuses to form a layer. An electronic agent is selectively applied on at least a portion of the layer, which imparts an electronic property to the at least the portion of the layer.Type: GrantFiled: October 29, 2015Date of Patent: May 16, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Kristopher J. Erickson, Thomas Anthony, Howard S. Tom, Sivapackia Ganapathiappan, Lihua Zhao, Krzysztof Nauka
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Publication number: 20230101544Abstract: According to an example, a three-dimensional (3D) printer may include a delivery device to deposit a light absorbing agent onto selected areas of a layer of build material particles, in which the light absorbing agent absorbs light having wavelengths that are around the ultraviolet wavelength range. The 3D printer may also include a light source to apply light onto the selectively deposited light absorbing agent and the layer of the build material particles, in which the light absorbing agent absorbs light around the ultraviolet wavelength range from the applied light and becomes heated to a temperature that causes the build material particles upon which the light absorbing agent has been deposited to melt and to fuse together following cessation of the application of the light.Type: ApplicationFiled: November 30, 2022Publication date: March 30, 2023Inventors: Aja Hartman, Krzysztof Nauka, Lihua Zhao
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Publication number: 20230079133Abstract: A three-dimensional printing kit can include a polymeric build material including from about 80 wt % to 100 wt % polymer particles having an average particle size from about 10 ?m to about 150 ?m; and a fusing agent including an aqueous liquid vehicle and from about 2 wt % to about 20 wt % radiation absorber. The radiation absorber can include a charged yellow water-soluble dye that can be from about 1 wt % to about 40 wt % soluble in water.Type: ApplicationFiled: March 9, 2020Publication date: March 16, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventors: Emre Hiro Discekici, Krzysztof Nauka, Stephen G. Rudisill
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Publication number: 20230062183Abstract: In one example, a three-dimensional (3D) printing method is disclosed. The 3D printing method may partition an entirety of a powder bed into a plurality of portions including a first portion and a second portion. The method may position an energy source over first portion of the powder bed, apply irradiation to the first portion until an irradiation dose is reached, and turn off irradiation to the first portion of the powder bed. The 3D printing method may rearrange the energy source and the powder bed to position the energy source over a second portion of the powder bed, apply irradiation to the second portion until the irradiation dose is reached, and turn off irradiation to the second portion of the powder bed.Type: ApplicationFiled: March 12, 2020Publication date: March 2, 2023Applicant: Hewlett-Packard Development Company, L.P.Inventor: Krzysztof Nauka
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Publication number: 20220402201Abstract: A three-dimensional (3D) printed object is described. The 3D printed object comprises a polymer. A surface of the 3D printed object comprises the polymer 5 and a UV absorbing colorant. The surface has a surface area roughness Sa (arithmetical mean height) of ?5.0 ?m. A method for preparing a three dimensional (3D) printed object having a smooth surface is also described.Type: ApplicationFiled: December 16, 2019Publication date: December 22, 2022Inventors: KRZYSZTOF NAUKA, VLADEK P KASPERCHIK, INGEBORG TASTL
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Patent number: 11524452Abstract: According to an example, a three-dimensional (3D) printer may include a delivery device to deposit a light absorbing agent onto selected areas of a layer of build material particles, in which the light absorbing agent absorbs light having wavelengths that are around the ultraviolet wavelength range. The 3D printer may also include a light source to apply light onto the selectively deposited light absorbing agent and the layer of the build material particles, in which the light absorbing agent absorbs light around the ultraviolet wavelength range from the applied light and becomes heated to a temperature that causes the build material particles upon which the light absorbing agent has been deposited to melt and to fuse together following cessation of the application of the light.Type: GrantFiled: October 31, 2016Date of Patent: December 13, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Aja Hartman, Krzysztof Nauka, Lihua Zhao
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Publication number: 20220362992Abstract: In one example, a lighting device for an additive manufacturing machine includes first light sources each to emit monochromatic light within a first band of wavelengths that includes a peak light absorption of a liquid coalescing agent and second light sources each to emit monochromatic light within a second band of wavelengths different from the first band of wavelengths. Each of the first light sources or each of multiple groups of the first light sources is individually addressable to emit monochromatic light independent of any other of the first light sources or of any other group of the first light sources and each of the second light sources or each of multiple groups of the second light sources is individually addressable to emit monochromatic light independent of any other of the second light sources or of any other group of the second light sources.Type: ApplicationFiled: August 1, 2022Publication date: November 17, 2022Inventors: James Elmer Abbott, JR., Alexander Govyadinov, Vladek Kasperchik, Krzysztof Nauka, Sivapackia Ganapathiappan, Lihua Zhao, Howard S. Tom, Yan Zhao, Hou T. Ng
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Patent number: 11465205Abstract: A system including: a polymer substrate with a thermal conductivity of less than 0.5 W/(m-k); a spreader to form a layer of metal particulate on the polymer substrate; a mask applicator to apply a mask to a portion of the layer of metal particulate; and a pulsed irradiation light source to fuse a portion of the layer of metal particulate not covered by the mask.Type: GrantFiled: April 10, 2017Date of Patent: October 11, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Krzysztof Nauka, Chris Paul Schodin
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Patent number: 11458679Abstract: In one example, a lighting device for an additive manufacturing machine includes an array of light sources each to emit monochromatic light within a band of wavelengths that includes a peak light absorption of a liquid coalescing agent to be dispensed on to a build material.Type: GrantFiled: September 26, 2014Date of Patent: October 4, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: James Elmer Abbott, Jr., Alexander Govyadinov, Vladek Kasperchik, Krzysztof Nauka, Sivapackia Ganapathiappan, Lihua Zhao, Howard S. Tom, Jr., Yan Zhao, Hou T. Ng
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Publication number: 20220274172Abstract: A system for forming a part with a support including: a liquid reservoir to hold a support material to form the support; an ejector to receive support material from the liquid reservoir and deposit the support material into a build area; an actuator to provide relative motion between the ejector and the build area; and a spreader to form a layer of metal particles in the build area, wherein the support provides support for the part during sintering.Type: ApplicationFiled: May 19, 2022Publication date: September 1, 2022Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Krzysztof Nauka, Thomas Anthony
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Patent number: 11400544Abstract: An in-situ monitoring device for selective laser melting (SLM) additive manufacturing may include at least one coherent electromagnetic wave source to produce a detection beam, an interferometer interposed between the electromagnetic wave source and a target detection area, a photodetector to detect displacement measuring interference between electromagnetic waves from the electromagnetic wave source and reflected electromagnetic waves from the target detection area through the interferometer, and control logic to cause the detection beam to follow a print path of a material forming laser at a distance behind the material forming laser. The detection beam is placed on a laser-melted and at least partially solidified portion of a layer of a three-dimensional (3D) object formed by the material forming laser.Type: GrantFiled: June 8, 2018Date of Patent: August 2, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Krzysztof Nauka, John Samuel Dilip Jangam, Seongsik Chang