Patents by Inventor Hugh Alan Bruck

Hugh Alan Bruck 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: 7632433
    Abstract: The present invention is a process for making a gradient material using a screw extruder system having material input conditions, operating conditions, and hardware element configurations and introducing disturbances into at least one of the material input conditions, operating conditions, or hardware element configurations so that a gradient material is formed by the screw extruder system.
    Type: Grant
    Filed: March 23, 2004
    Date of Patent: December 15, 2009
    Inventors: Frederick Mitchell Gallant, Hugh Alan Bruck, David I. Bigio