Patents by Inventor Robert A. Zemenchik

Robert A. Zemenchik 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: 20120052776
    Abstract: A blade sharpening system is provide that includes a base and a pendulous arm having a first end rotatably coupled to the base by a pivot joint. The blade sharpening system also includes a sharpener suspended by the pendulous arm and configured to engage a generally circular agricultural implement blade while mounted on the agricultural implement. The pendulous arm is configured to enable movement of the sharpener to accommodate lateral variations in blade profile.
    Type: Application
    Filed: August 31, 2010
    Publication date: March 1, 2012
    Applicant: CNH America LLC
    Inventors: Robert A. Zemenchik, Ivan Rieke, Mark Hoffman, Ross L. Gingrich, Ben G. Zimmerman, Alan R. Martin, Tracey D. Meiners, Michael G. Kovach, Paul Hurtis