Patents by Inventor Roy Sumner

Roy Sumner 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).

  • Publication number: 20080204277
    Abstract: This patent provides a process that utilizes the vehicle to infrastructure communication process to gather anonymous vehicle trajectories that describe vehicles approaching a signalized intersection. This information is used to project forward in-time the positions of vehicles to calculate the optimal time to change the traffic signal at a point that will minimize the delay to the traffic.
    Type: Application
    Filed: February 25, 2008
    Publication date: August 28, 2008
    Inventor: Roy Sumner