Patents by Inventor Brian James Spence

Brian James Spence 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: 12005700
    Abstract: A printing system comprises an ink deposition assembly and a media transport assembly. The ink deposition assembly comprises a printhead arranged to eject a print fluid to a deposition region of the ink deposition assembly. The media transport assembly comprises a vacuum source and a movable support surface. The movable support surface comprises valves having holes through the media support surface. The media transport assembly is configured to hold one or more print media against the movable support surface by vacuum suction communicated from the vacuum source through valves. The valves are each configured to transition between a closed state in which airflow through the hole of the respective valve is prevented and an open state in which airflow through the hole of the respective valve is allowed.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: June 11, 2024
    Assignee: XEROX CORPORATION
    Inventors: Brian M. Balthasar, John Patrick Baker, Emmett James Spence, Robert Jian Zhang, Megan Zielenski
  • Patent number: D398837
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: September 29, 1998
    Inventor: Brian James Spence