Patents by Inventor Gary J. Dispoto

Gary J. Dispoto 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).

  • Patent number: 11565472
    Abstract: A 3D object is additively formed via arranging non-conductive material relative to a receiving surface. During additive formation of the 3D object, a conductive channel is formed as part of the 3D object. In some instances, non-destructive fracture sensing is performed via measurement of an electrical parameter of the conductive channel.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: January 31, 2023
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Wei Huang, Lihua Zhao, Gary J. Dispoto
  • Publication number: 20230020856
    Abstract: In one example in accordance with the present disclosure, a method is described. According to the method, a characteristic of each of multiple three-dimensional (3D) objects to be printed is determined. 3D objects to be printed are grouped based on characteristic similarity. For a group of 3D objects to be printed, an additive manufacturing setting is altered based on the characteristics of the 3D objects to be printed that form the group.
    Type: Application
    Filed: January 13, 2020
    Publication date: January 19, 2023
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Wei Huang, Gary J. Dispoto
  • Publication number: 20230020639
    Abstract: The present disclosure relates to a three-dimensional printing kit comprising: a powder bed material comprising polymer particles; a fusing agent comprising a radiation absorber and a liquid carrier; and a magnetic marking agent comprising magnetic nanoparticles, a humectant and a liquid carrier, wherein the concentration of magnetic nanoparticles is 5 to 70 weight % based on the total weight of the magnetic agent. The present disclosure also relates to a method of three-dimensional (3D) printing a 3D printed object. The method comprises: selectively applying a magnetic marking agent onto powder bed material, wherein the powder bed material comprises polymer particles, and wherein the magnetic marking agent comprises magnetic nanoparticles and a liquid carrier; selectively fusing the powder bed material, such that the magnetic nanoparticles are incorporated in the 3D printed object in a predetermined arrangement that forms a detectable marker in the 3D printed object.
    Type: Application
    Filed: December 11, 2019
    Publication date: January 19, 2023
    Inventors: AJA HARTMAN, JOHN SAMUEL DILIP JANGAM, WEI HUANG, THOMAS CRAIG ANTHONY, GARY J DISPOTO, LIHUA ZHAO
  • Publication number: 20220402204
    Abstract: In one example in accordance with the present disclosure, an additive manufacturing device is described. The additive manufacturing device includes a build material distributor to deposit layers of powdered build material onto a bed. At least one energy source selectively fuses portions of the layer of powdered build material to form a slice of a three-dimensional (3D) printed object. A detailing agent distributor of the additive manufacturing device generates a uniform property distribution across a portion of the layer of powdered build material by depositing a detailing agent.
    Type: Application
    Filed: November 25, 2019
    Publication date: December 22, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Wei Huang, Gary J Dispoto
  • Publication number: 20220388248
    Abstract: In one example in accordance with the present disclosure, a system is described. The system includes a fracture channel controller to determine fracture channels for a three-dimensional (3D) printed object. Portions of the 3D printed object along fracture channels are to be solidified to a lesser degree as compared to non-channel portions of the 3D printed object. The system also includes an additive manufacturing controller to control an additive manufacturing device. The additive manufacturing controller controls the additive manufacturing device to 1) solidify portions of a layer of powdered build material to form a slice of the 3D printed object and 2) selectively solidify fracture channels in the slice, wherein the fracture channels are solidified to a lesser degree as compared to non-channel portions.
    Type: Application
    Filed: December 10, 2019
    Publication date: December 8, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Wei Huang, Gary J Dispoto
  • Patent number: 11511486
    Abstract: A system for detecting three-dimensional (3D) part drag includes an infrared image capture device to capture a plurality of thermal images of a 3D part build region of a 3D printing device on which a part is built, and an image analysis module to detect drag of the part based on a difference image produced by subtracting a first thermal image from a second thermal image.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: November 29, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Sunil Kothari, Tod Heiles, Luke Bockman, Gary J. Dispoto, Md Abdullah Al Hafiz Khan, Todd Goyen
  • Patent number: 11511534
    Abstract: In an example, an apparatus includes an image processing system, a print engine, and a vision system. The image processing system generates electronic signals based on a model of an object to be fabricated using an additive manufacturing process. The print engine performs the additive manufacturing process in a plurality of passes based on the electronic signals. The vision system acquires a plurality of thermal images of the plurality of passes and assigns individual passes to individual images based on data acquired during a build of a calibration object by the additive manufacturing process. The print engine may further include a material coater to spread a powder coating material, a plurality of fluid ejection devices to eject a fusing agent, and an emitter to emit energy to fuse the fusing agent and the powder coating material into a layer of the object to be fabricated.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: November 29, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Sunil Kothari, Juan Carlos Catana, Tod Heiles, Jun Zeng, Gary J. Dispoto
  • Publication number: 20220276634
    Abstract: Examples described herein relate to a system consistent with the disclosure. For instance, the system may comprise an additive manufacturing device including hardware to form a three-dimensional (3D) model, a memory resource, and a processing resource to receive data related to the 3D model, modify the data related to the 3D model to include a protective structure connected to the 3D model by a fusion bond, and dispense, based on the modified data, a printing agent onto build material layers to produce the 3D model and the protective structure around a portion of the 3D model.
    Type: Application
    Filed: October 23, 2019
    Publication date: September 1, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Wei Huang, Gary J. Dispoto, Guy Adams
  • Patent number: 11426943
    Abstract: A control and feedback technique to determine the proper location of powder control temperature regions includes detecting solid parts having specified shape and thermal characteristics. The solid parts are generated by a 3D printer. The solid parts include powder material fused on a layer by layer basis. A powder control temperature region is selected in each layer of powder material, wherein the region is located in unfused powder material adjacent to the solid parts, and wherein the region is selected based on characteristics of the shape of a build area and thermal imaging associated with any of a structural formation of the solid parts adjacent to the region, and an amount of thermal energy radiated by the solid parts adjacent to the region. The amount of thermal energy to cause fusing of the powder material on each subsequent layer is modified based on location of the powder control temperature region.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: August 30, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Sunil Kothari, Tod Heiles, Juan Carlos Salazar, Goffril Obegi, Jun Zeng, Gary J. Dispoto
  • Publication number: 20220250319
    Abstract: In one example in accordance with the present disclosure, an additive manufacturing device is described. The additive manufacturing device includes a build material distributor to deposit layers of powdered build material onto a bed. An agent distributor of the additive manufacturing device deposits at least one property-changing agent in a pattern onto a layer of powdered build material. The additive manufacturing device also includes an array of lasers to selectively fuse portions of the layer of powdered build material in a pattern.
    Type: Application
    Filed: August 5, 2019
    Publication date: August 11, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Wei Huang, Gary J. Dispoto
  • Patent number: 11409261
    Abstract: In some examples, a distribution of values of a property of a given layer to be printed as part of three-dimensional (3D) printing is predicted, wherein the predicting is based on a distribution of values of the property in a previous layer that has been printed as part of the 3D printing. 3D printing of an object is controlled based on the predicted distribution of values of the property of the given layer.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: August 9, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Sunil Kothari, Kristopher Li, Viseth Sean, Jun Zeng, Lihua Zhao, Goffril Obegi, Gary J. Dispoto, Tod Heiles
  • Patent number: 11400655
    Abstract: According to examples, an apparatus may include a fabricating system, a processor, and on memory on which are stored machine readable instructions. The instructions, when executed by the processor, may cause the processor to control the fabricating system to spread a first layer of build material as part of an object fabrication process, the build material comprising particles or a paste. The instructions may also cause the processor to control the fabricating system to selectively solidify a first area of the layer to a higher degree of solidification than a predefined second area encompassed by the first area, in which the predefined second area has a lower fracture toughness than the first area to propagate a crack in the object more readily than the first area.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: August 2, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Wei Huang, Gary J. Dispoto
  • Publication number: 20220227041
    Abstract: An example system includes a plurality of energy emitters to deliver energy to a material bed to fuse build material at a plurality of locations receiving the energy. The system also includes a controller to a controller to determine an amount of energy to deliver to each location to achieve a fusing condition based on data indicating the plurality of locations to be fused and based on predicted thermal transfer between the plurality of locations receiving the energy. The controller also is to cause the plurality of energy emitters to deliver the determined amount of energy to each location of the material bed.
    Type: Application
    Filed: September 9, 2019
    Publication date: July 21, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Wei Huang, Gary J. Dispoto
  • Patent number: 11376793
    Abstract: A system and method for providing three dimensional printing production quality prediction is described herein. The system may include logic to scan a region of interest associated with a layer of a plurality of parts during printing to obtain an input for the region of interest and compute an input metric associated with the layer based on the input. In response to an initial set of print jobs, at least a portion of the plurality of parts is mechanically tested to determine at least one output. In response to a production print job, a likelihood of a part of the plurality of parts to satisfy a quality specification is predicted by inputting the input metric to at least one machine learning function comprising the at least one output, wherein the at least one machine learning function is trained during the initial set of print jobs.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: July 5, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Sunil Kothari, Jun Zeng, Gary J. Dispoto, Viseth Sean
  • Publication number: 20220193993
    Abstract: 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 layers of powdered build material onto a bed and an agent distributor to form a slice of a three-dimensional (3D) printed object by selectively depositing at least one agent onto a layer of powdered build material. The additive manufacturing system also includes a controller. The controller 1) controls the build material distributor and the agent distributor to form the 3D printed object and 2) controls the agent distributor to form an object label, the object label to be within a body of the 3D printed object with fused material disposed over the object label. The object label does not receive an agent disposed thereon.
    Type: Application
    Filed: August 5, 2019
    Publication date: June 23, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Wei Huang, Craig Peter Sayers, Gary J. Dispoto
  • Patent number: 11364684
    Abstract: A method is disclosed in which an identifier is to be printed on a surface of a part to be additive manufactured. The identifier is utilized during post-processing of the part at the manufacturing facility, then the identifier is modified so as to no longer be visible before leaving the facility.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: June 21, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Wei Huang, Gary J. Dispoto
  • Patent number: 11335073
    Abstract: Examples disclosed herein relate to selecting a 3D printing parameter based on voxel property association and conflict resolution. In one implementation, a processor assigns properties to a voxel of a 3D print object based on a first and second zone including the voxel and a condition of a first property associated with the first zone and a condition of a second property associated with the second zone. The processor may update the assigned properties to resolve conflicts between the properties and select a 3D printing parameter based on the assigned properties.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: May 17, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Jun Zeng, Scott White, Federico Martinez, Ana Del Angel, Gary J. Dispoto, Sebastia Cortes I Herms
  • Publication number: 20220088879
    Abstract: Systems and methods of predicting temperature during a build of a three-dimensional (3D) part include determining a temperature profile at a plurality of layers of a part based on geometric characteristics of the 3D part as defined by a 3D part file, and adjusting a process parameter of the build based on the determined temperature.
    Type: Application
    Filed: January 23, 2019
    Publication date: March 24, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Sunil Kothari, Tod Heiles, Juan Carlos Catana Salazar, Jun Zeng, Gary J. Dispoto
  • Publication number: 20220072770
    Abstract: A hybrid connection for connecting a first portion of a three-dimensional (3D) print design to a second portion of the 3D print design may include a cross-sectional pattern of fully-fused connections and under-fused connections that connect between the first portion of the 3D print design and the second portion of the 3D print design. Systems and methods are also described herein that facilitate designing 3D parts with hybrid connections and/or automatically replacing fully-fused connections with hybrid connections.
    Type: Application
    Filed: May 13, 2020
    Publication date: March 10, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Wei Huang, Patrick De Marcillac, Gary J. Dispoto
  • Publication number: 20220063202
    Abstract: Some examples include an additive manufacturing system including a processor and a memory to store instructions to cause the processor to ate print data related to a three-dimensional build object. The generated print data comprises defined print data to print a first part and a second part of the object. The defined print data is to orient and position each of the first part and the second part of the object within a build area, the first part including a first mating section, the second part including a second mating section, the first and second mating sections shaped and sized to be matingly coupled to form the build object, to adjacently align the first and second mating sections within the build area, and to separate the aligned first and second mating sections with a gap defined between the first and second parts along the aligned first and second mating sections.
    Type: Application
    Filed: January 15, 2019
    Publication date: March 3, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Wei Huang, Gary J. Dispoto