Patents by Inventor William Bilak

William Bilak 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: 4254540
    Abstract: A method of manufacturing gear forms comprising cold forming metal stock to produce a workpiece having a protruding hub portion with a central opening, impressing indentations in the hub portion by means of appropriate dies, boring and counterboring the region around the hub portion, and modifying the central opening according to the configuration of a shaft to be received thereby.
    Type: Grant
    Filed: September 27, 1978
    Date of Patent: March 10, 1981
    Inventor: William Bilak