Patents by Inventor J. J. Van Blunk

J. J. Van Blunk 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).

  • Self-centering sheave for filaments
    Patent number: 4830298
    Abstract: Antifriction sheaves, or pulley assemblies, are mounted in a bearing plate to form a filament guide for a winding machine. The pulley assemblies each comprise a bearing disk mounted in the bearing plate for pivotal motion about an axis perpendicular to the bearing plate, and a pulley wheel mounted in, and passing through, the bearing disk.
    Type: Grant
    Filed: July 18, 1988
    Date of Patent: May 16, 1989
    Assignee: The Boeing Company
    Inventor: J. J. Van Blunk