Patents by Inventor Stephen W. Schinzing

Stephen W. Schinzing 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).

  • Publication number: 20140274552
    Abstract: Hollow variator balls and methods of manufacturing hollow variator balls are disclosed. Certain methods include press forming of a cylindrical body into hollow sphere using counter rotating spherical dies, hot roll forming and skew rolling, and means of rotational support are coupled to the hollow spheres such as axles, half axles, or sleeves.
    Type: Application
    Filed: March 13, 2014
    Publication date: September 18, 2014
    Applicant: DANA LIMITED
    Inventors: Michael Patrick Frink, Stephen W. Schinzing