Patents by Inventor James A. Werbin

James A. Werbin 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).

  • Heavy duty coupler for attaching an implement to work vehicle
    Patent number: 5820332
    Abstract: A coupling assembly for releasably securing an implement to a work vehicle. The coupling system includes top wedges which are engaged in wedge-shaped sockets, and tapered lower hooks that apply a continuous force to a pin or cylindrical rod which operates to tightly engage the wedges in the wedge-shaped sockets, thereby preventing movement and resultant wear between the engaging portions of the coupling assembly and having the capability of handling heavy, high load inducing attachments as well as existing attachments.
    Type: Grant
    Filed: May 2, 1997
    Date of Patent: October 13, 1998
    Assignee: Case Corporation
    Inventors: Mark S. Philips, Stephen A. Youngers, Robert G. Draney, Kenneth W. Johnston, Mike E. Delaney, Charles B. Hanson, James A. Werbin