Patents by Inventor Gerald Andrew Stefanek

Gerald Andrew Stefanek 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).

  • Differential spider with retaining caps for retaining bevel pinions in a differential
    Patent number: 5823908
    Abstract: A retaining cap for an arm of a differential frame in an interaxle differential assembly removably secures a pinion gear on the arm between a central hub of the frame and the retaining cap, without the cap being supported by a frame structure. The retaining cap has female threading which engages male threading on the distal portion of the arm. An effective amount of a thread locking compound is applied to the threading prior to engagement.
    Type: Grant
    Filed: October 11, 1996
    Date of Patent: October 20, 1998
    Assignee: Dana Corporation
    Inventor: Gerald Andrew Stefanek