Patents by Inventor Russell J. Thacher

Russell J. Thacher 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).

  • Robotic Mower Stuck Detection System
    Publication number: 20120029752
    Abstract: A robotic mower stuck detection system includes a boundary sensor on the robotic mower that can detect when the robotic mower reaches a boundary wire, an accelerometer on the robotic mower that can detect when the robotic mower encounters an obstacle; and a vehicle control unit on the robotic mower having a timer that is reset each time the robotic mower reaches a boundary wire or encounters an obstacle; and executes a stuck vehicle task if the timer exceeds a specified maximum time without being reset.
    Type: Application
    Filed: July 28, 2010
    Publication date: February 2, 2012
    Inventors: David A. Johnson, Jeffrey S. Thompson, Thomas M. Messina, Justin A. Kraft, Russell J. Thacher