Patents by Inventor Andre F. Vigeant

Andre F. Vigeant 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).

  • Enhanced protective metallic coating weights for steel sheet
    Patent number: 5591534
    Abstract: A galvanized steel sheet has a coating layer of protective material applied to its surface where the steel sheet has been roughened prior to application of the protective material. The improvement is characterized by the roughened steel surface having a pattern which ensures desired consistent quantity of coating during application of the protective material. The pattern provided on the sheet surface has a multitude of depressions defined by a plurality of ridges. The upper surfaces of the ridges defining a plane for each side of the steel sheet, where the ridges have a surface area less than 1/4 the nominal surface area of the sheet side. Each depression has a depth defined by a continuous side wall extending into the plane of the sheet side. The side wall slopes downwardly of the plane at an angle greater than 45.degree..
    Type: Grant
    Filed: March 25, 1994
    Date of Patent: January 7, 1997
    Assignee: Sorevco, Inc.
    Inventors: Andre F. Vigeant, Alain Bernard