Patents by Inventor Ivor Kirman

Ivor Kirman 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).

  • Alloy steels
    Patent number: 4043807
    Abstract: An alloy steel containing correlated percentages of nickel, copper, carbon, niobium, manganese, aluminum, chromium, molybdenum, silicon, boron, etc., the alloy being characterized by a combination of high strength and good toughness.
    Type: Grant
    Filed: February 10, 1976
    Date of Patent: August 23, 1977
    Assignee: The International Nickel Company, Inc.
    Inventor: Ivor Kirman