Patents by Inventor Mark Edward Greenwood

Mark Edward Greenwood 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).

  • Process for filament winding composite workpieces
    Patent number: 6179945
    Abstract: A process and apparatus are provided for forming filament wound composite workpieces. The process comprises the steps of: providing reinforcement material; providing an injection die; providing a winding apparatus including a rotatable mandrel; passing the reinforcement material through the injection die; injecting a resin material into the injection die to impregnate the reinforcement material with the resin material to form impregnated reinforcement material; and winding the impregnated reinforcement material about the mandrel so as to form a composite workpiece.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: January 30, 2001
    Assignee: Owens Corning Fiberglas Technology, Inc.
    Inventors: Mark Edward Greenwood, James Vincent Gauchel, Jay Joseph Beckman, Anthony Grenville Hankin