Patents by Inventor Nicholas Makrides

Nicholas Makrides 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).

  • Casting having wear resistant compacts and method of manufacture
    Patent number: 4608318
    Abstract: This invention relates to a double composite structure comprising cemented carbides embedded in an austenitic stainless steel matrix forming a wear, impact, drill and corrosion resistant shape by powder metallurgy techniques. Molten metal is then cast around the composite structure forming the body of a tool, lock or parts which are particularly useful for earthmoving and security applications.
    Type: Grant
    Filed: April 17, 1984
    Date of Patent: August 26, 1986
    Assignee: Kennametal Inc.
    Inventors: Nicholas Makrides, Earle W. Stephenson