Patents by Inventor William F. Koval

William F. Koval 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).

  • Publication number: 20100037531
    Abstract: An abrasive composition including vitreous binding material; abrasive material; and a dimensional stabilizing additive (DSA), present in an amount that is from about 1 to about 40 volume percent of the abrasive composition, wherein the dimensionally stabilizing additive is inert to the binding material, and has a Mohs hardness of between 4 and 9, and wherein the abrasive composition does not include hollow sphere fillers. Also included is a method of making an abrasive articles, articles formed thereby; and articles formed from the abrasive compositions.
    Type: Application
    Filed: February 6, 2008
    Publication date: February 18, 2010
    Inventors: Gary M. Huzinec, William F. Koval