Patents by Inventor Robert Creager

Robert Creager 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).

  • Position determination of multiple mechanisms sharing a common axis of motion in a robotic tape library
    Patent number: 7546180
    Abstract: A system and method for determining relative positions of robots constrained to move along a common axis of motion, where a controller of the system has no prior knowledge of the relative positions. The robots are ordered to move in defined directions and distances and report their ability to move in the desired directions. From this information, a controller of the system can determine their relative positions.
    Type: Grant
    Filed: December 29, 2004
    Date of Patent: June 9, 2009
    Assignee: Storage Technology Corporation
    Inventors: James Lee Ries, Robert Creager, John R. Kostraba, Jr., Robert L. Billington