Patents by Inventor Roberto Brunno

Roberto Brunno 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).

  • Anticorrosion zinc based coating material
    Patent number: 3993482
    Abstract: A zinc based coating material useful for protecting ferrous surfaces against corrosion, also including magnesium, aluminum and chromium, wherein the percentage rato Mg/Al is between 1.5 and 5, the percentage ratio Cr/Mg is comprised between 0.03 and 0.2 and the amount of magnesium is between 1% and 5% by weight.
    Type: Grant
    Filed: January 8, 1975
    Date of Patent: November 23, 1976
    Assignee: Dalmine S.p.A.
    Inventor: Roberto Brunno