Patents by Inventor William H. McKeon

William H. McKeon 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: 6054076
    Abstract: An accumulator-type blow molding machine includes hydraulic cylinders for closing mold parts on platens and control systems for valves flowing hydraulic fluid to the cylinders. The control systems generate work output signals for the valves according to the operational parameters of the valves, the hydraulic systems and the bearings supporting the platens.
    Type: Grant
    Filed: April 2, 1998
    Date of Patent: April 25, 2000
    Assignee: Graham Engineering Corporation
    Inventor: William H. McKeon