Patents by Inventor Steven P. Gillihan

Steven P. Gillihan 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).

  • Patent number: 7004841
    Abstract: A universal joint includes a yoke with a leg having an aperture extending therethrough. The aperture includes an annular groove. The universal joint also includes a cruciform having a trunnion, a bearing cup positioned in the aperture and mounted on the trunnion and a retention member including a stepped cross-section. The retention member is disposed within the groove to fill the gap remaining between the groove edge and the bearing cup.
    Type: Grant
    Filed: September 22, 2004
    Date of Patent: February 28, 2006
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Michael J. Bommarito, Steven P. Gillihan, Joseph P. Flanagan
  • Patent number: 6821207
    Abstract: A universal joint includes a yoke with a leg having an aperture extending therethrough. The aperture includes an annular groove. The universal joint also includes a cruciform having a trunnion, a bearing cup positioned in the aperture and mounted on the trunnion and retention ember including a stepped cross-section. The retention member is disposed within the groove to fill the gap remaining between the groove edge and bearing cup.
    Type: Grant
    Filed: February 24, 2003
    Date of Patent: November 23, 2004
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Michael J. Bommarito, Steven P. Gillihan, Joseph P. Flanagan
  • Publication number: 20040166946
    Abstract: A universal joint includes a yoke with a leg having an aperture extending therethrough. The aperture includes an annular groove. The universal joint also includes a cruciform having a trunnion, a bearing cup positioned in the aperture and mounted on the trunnion and a retention member including a stepped cross-section. The retention member is disposed within the groove to fill the gap remaining between the groove edge and the bearing cup.
    Type: Application
    Filed: February 24, 2003
    Publication date: August 26, 2004
    Inventors: Michael J. Bommarito, Steven P. Gillihan, Joseph P. Flanagan