Patents by Inventor Keith M. Cross

Keith M. Cross 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: 9610741
    Abstract: The present invention provides a method for preparing a customized polymeric article including: providing two mold half-sections, each half-section having an outer surface and an inner surface; assembling the two mold half-sections to form a mold assembly such that the inner surfaces define a cavity there between; applying one or more magnetic fluids to the inner surface of a mold half-section; inserting a fluid polymeric material into the cavity; controllably applying a magnetic field to the magnetic fluids to form a customized reversible surface in accordance with a predetermined specific surface topography; subjecting the mold assembly to conditions sufficient to effect polymerization or hardening of the fluid polymeric material; and separating the two mold half-sections. Articles prepared by the method also are provided.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: April 4, 2017
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Charles R. Hickenboth, Matthew J. Kryger, Federico Menta, Keith M. Cross, David L. Lusher, II
  • Publication number: 20150165702
    Abstract: The present invention provides a method for preparing a customized polymeric article including: providing two mold half-sections, each half-section having an outer surface and an inner surface; assembling the two mold half-sections to form a mold assembly such that the inner surfaces define a cavity there between; applying one or more magnetic fluids to the inner surface of a mold half-section; inserting a fluid polymeric material into the cavity; controllably applying a magnetic field to the magnetic fluids to form a customized reversible surface in accordance with a predetermined specific surface topography; subjecting the mold assembly to conditions sufficient to effect polymerization or hardening of the fluid polymeric material; and separating the two mold half-sections. Articles prepared by the method also are provided.
    Type: Application
    Filed: December 16, 2014
    Publication date: June 18, 2015
    Inventors: Charles R. Hickenboth, Matthew J. Kryger, Federico Menta, Keith M. Cross, David L. Lusher, II