Patents by Inventor David Pinheiro

David Pinheiro 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: 11794414
    Abstract: A method and apparatus is described in which a signal indicative of an operation of a energy source of a 3D printer during a second predetermined time period commencing with the end of a first predetermined time period is obtained, the first predetermined time period commencing with an activation of the energy source, wherein the energy source is active throughout the first and second time periods; the obtained signal is compared with a reference signal; and it is determined, based on the comparison, whether the energy source is operating according to predetermined characteristics.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: October 24, 2023
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Nicola Baldo, David Pinheiro, Albert Trenchs Magana, Esteve Comas Cespedes
  • Publication number: 20200361154
    Abstract: A method and apparatus is described in which a signal indicative of an operation of a energy source of a 3D printer during a second predetermined time period commencing with the end of a first predetermined time period is obtained, the first predetermined time period commencing with an activation of the energy source, wherein the energy source is active throughout the first and second time periods; the obtained signal is compared with a reference signal; and it is determined, based on the comparison, whether the energy source is operating according to predetermined characteristics.
    Type: Application
    Filed: January 29, 2018
    Publication date: November 19, 2020
    Inventors: Nicola Baldo, David Pinheiro, Albert Trenchs Magana, Esteve Comas Cespedes