Patents by Inventor Grant M. Castle

Grant M. Castle 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: 12284718
    Abstract: The system receives, from a telecommunications network subscribed to by the wireless device, a list of roaming networks. The system connects to a roaming network from the list of roaming networks. The system enters a roaming mode from a standard mode. The roaming mode reduces the amount of data used by the wireless device by preventing the wireless device from performing background tasks. Background tasks include processes performed by the wireless device to keep an application on the wireless device up to date. The standard mode causes the wireless device to operate at a higher data level and a less optimized battery level compared to the roaming mode. The system connects to the telecommunications network. The wireless device disconnects from the roaming network before connecting to the telecommunications network subscribed to by the wireless device. The system enters the standard mode.
    Type: Grant
    Filed: October 17, 2024
    Date of Patent: April 22, 2025
    Assignee: T-Mobile USA, Inc.
    Inventors: Thomas P. Lucht, Grant M. Castle, Nilesh Ranjan