Patents by Inventor Robert E. Mahu

Robert E. Mahu 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: 5570639
    Abstract: Apparatus for preventing runaway of trolleys in a power-and-free conveyor system that includes a friction bar that extends lengthwise of the free conveyor track on a side of the track remote from the power conveyor for motion lengthwise of the track at an acute angle to the direction of motion of the trolleys along the track. The friction bar is releasably biased laterally outwardly from the track and in a direction lengthwise of the track opposed to the direction of trolley motion on the track so that trolleys may travel freely along the free conveyor track past the bar.
    Type: Grant
    Filed: October 11, 1995
    Date of Patent: November 5, 1996
    Assignee: FKI Industries Inc.
    Inventors: Richard G. Hooper, Robert E. Mahu, Thomas A. Moroney