Patents by Inventor Stephen J. Keable

Stephen J. Keable 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).

  • Autonomous mobile apparatus for performing work within a predefined area
    Publication number: 20030023356
    Abstract: The apparatus comprises a platform (28), two ground engaging drive wheels (2) positioned one at each side of the platform (28), drive means (11, 12) for independently driving each drive wheel, a control device (14) for continuously controlling the drive means (11, 12), whereby operation of the drive means (11, 12) causes the apparatus to progress over a predetermined route within the predetermined area, and at least one sensor (6) coupled to the control device (14) for sensing the proximity of signal means (23, 24) defining the borders of the predefined area
    Type: Application
    Filed: September 13, 2002
    Publication date: January 30, 2003
    Inventor: Stephen J. Keable