Patents by Inventor William J. Christensen

William J. Christensen 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).

  • Pickup truck cargo bed extension systems
    Patent number: 11926370
    Abstract: A cargo bed extension system includes: a cargo bed; a tailgate configured to pivot to a down position via one or more first hinges, where the tailgate includes: an outer portion having first lateral sides and one or more second hinges; an inner portion having second lateral sides that are disposed adjacent to the first lateral sides when the tailgate is in the down position, where the inner portion is configured to rotate to a vertical position via the one or more second hinges, where the vertical position is approximately perpendicular to the down position; at least one first extension panel configured to move rearwardly and directly contact the inner portion when the inner portion is in the vertical position; and at least one second extension panel configured to move rearwardly and to directly contact the inner portion when the inner portion is in the vertical position.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: March 12, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Blaine D. Christensen, William A. McDonald, Carl J. Zipfel
  • SYSTEMS AND METHODS FOR TREATING A CONTAMINATED CONTAINER
    Publication number: 20210077644
    Abstract: A disinfecting device for use in disinfecting a container, wherein the device includes a light source configured to emit an antimicrobial wavelength on one or more surfaces of the container as the container passes through the disinfecting device.
    Type: Application
    Filed: November 24, 2020
    Publication date: March 18, 2021
    Inventors: Wayne A. Provost, William J. Christensen
  • Systems and methods for treating a contaminated container
    Patent number: 10842894
    Abstract: A disinfecting device for use in disinfecting a container, wherein the device includes a light source configured to emit an antimicrobial wavelength on one or more surfaces of the container as the container passes through the disinfecting device.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: November 24, 2020
    Inventors: Wayne A. Provost, William J. Christensen