Patents by Inventor Bob Sillivent

Bob Sillivent 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: 4520917
    Abstract: Scrapers of particular mechanical, chemical, and electrical properties are arranged to maintain mechanical and electrical contact with the surfaces of moving belt conveyers so as to provide for rapid electrical discharge of such surfaces and the particles on such surfaces and the mechanical removal of such particles from such surfaces during the brief time that such surfaces are in the intended zone of discharge of particulate material therefrom.
    Type: Grant
    Filed: March 3, 1982
    Date of Patent: June 4, 1985
    Assignees: Thomas J. Wright, Mike L. Burns
    Inventors: Bob Sillivent, Clifford Sillivent