Patents by Inventor Frank Borik

Frank Borik 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).

  • Bearing steel
    Patent number: 4581079
    Abstract: A bearing steel containing about 0.8% to about 1.2% carbon, about 0.5% to about 1.33% manganese, about 0.25% to about 0.7% silicon, about 0.14% to about 0.5% molybdenum, up to about 0.75% chromium and the balance essentially iron has improved hardenability and resistance to rolling contact fatigue than does the standard 52100 bearing steel.
    Type: Grant
    Filed: March 27, 1985
    Date of Patent: April 8, 1986
    Assignee: AMAX Inc.
    Inventor: Frank Borik