Patents by Inventor James A. Ackerman

James A. Ackerman 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: 7832525
    Abstract: A flatbed servicing station provides a mobile elevated workers platform with an elongated deck. The platform is selectively moved toward and away from a flatbed and has safety features for stopping movement of the platform toward the flatbed when a foreign object is detected between the platform and the flatbed. A plurality of side-by-side safety gates are provided on the side of the deck adjacent the flatbed and a guard gate is provided which is positionable across the rear of the flatbed. Safety apparatus is provided to prevent injury of personnel disposed between a platform and a flatbed being serviced.
    Type: Grant
    Filed: December 5, 2005
    Date of Patent: November 16, 2010
    Assignee: Aluminum Ladder Company
    Inventors: Ronald W. Bennett, Ellie H. MacDonald, James A. Ackerman
  • Patent number: 7802652
    Abstract: A servicing station for flatbeds includes a workers platform which is driven along one lateral side of the flatbed by an electric motor driving a spur gear in mesh with a rack on an overhead beam positioned sufficiently high to not interfere with lift truck loading and unloading of the flatbed. The electric motor is supplied electrical power through a power chain positioned on the overhead beam.
    Type: Grant
    Filed: March 13, 2006
    Date of Patent: September 28, 2010
    Assignee: Aluminum Ladder Company
    Inventors: Ronald W. Bennett, Ellie H. MacDonald, James A. Ackerman