Patents by Inventor Robert Frease

Robert Frease 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: 6612449
    Abstract: An intelligent power assisted manual manipulator controllable by operator inputs from an operator for moving an object is provided. The manipulator includes a movable base supporting a lift mechanism for moving the object. The manipulator also includes at least one servomotor for actuating at least one of the movable base and the lift mechanism for moving the object. An operator control mechanism for receiving the operator inputs is supported on the lift mechanism. A plurality of force sensors are disposed between the operator control mechanism and the lift mechanism for sensing said operator inputs and actuating at least one of the at least one servomotor. The movable base includes an overhead rail defining a generally horizontal first axis and a carriage supported on the overhead rail and movable along the first axis. The lift mechanism includes a turret assembly supported on the carriage having a generally vertical second axis, and a generally horizontal third axis.
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: September 2, 2003
    Assignee: FANUC Robotics North America, Inc.
    Inventors: Ernest M. Otani, Donald S. Bartlett, Hadi A. Akeel, H. Dean McGee, Lupcho Najdovski, James C. Hobson, Stan H. McClosky, Robert V. Bauer, Jr., Robert Frease