Patents by Inventor Günter Grube

Günter Grube 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).

  • Rolling bearing component
    Patent number: 6682227
    Abstract: A needle case or needle bush produced without cutting for a thin-walled needle bearing is produced without cutting from a cold-rolled strip, which is a heat-treated steel which has the disclosed chemical composition and the disclosed mechanical characteristic values. After a heat treatment, a surface hardness of 860 to 880 HV and a core hardness of 550 to 650 HV are achieved.
    Type: Grant
    Filed: October 22, 2002
    Date of Patent: January 27, 2004
    Assignee: Ina Wälzlager Schaeffler oHG
    Inventors: Karl-Ludwig Grell, Günter Grube, Leo Müntnich