Patents by Inventor Steven J. Tunkel

Steven J. Tunkel 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).

  • Shredding system improvement to suppress explosions
    Patent number: 3972481
    Abstract: The present invention relates to an improvement in the process of and a device for shredding scrap automobiles, trucks, appliances, white goods and the like, which improvement substantially reduces and in most cases eliminates the damage from explosions during the process of and within the equipment for shredding scrap automobiles, trucks, white goods and the like by adequately venting the equipment during the process so as to prevent pressure build-up within the system after initiation of an explosion.
    Type: Grant
    Filed: December 18, 1974
    Date of Patent: August 3, 1976
    Assignee: Nimco Shredding Co.
    Inventors: Joseph F. Naporano, Benjamin A. Baker, Steven J. Tunkel, Chester Grelecki, George L. Van Houten