Patents by Inventor Riana D. Zyma

Riana D. Zyma 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).

  • Disc saw felling head chip discharge
    Patent number: 5816299
    Abstract: A disc saw felling head has a window in a sidewall of the head through which chips are discharged in a tangent plane and a discharge chute over the window. The chute has a top wall and inner and outer sidewalls shaped so that chips exiting the head through the window are directed along a chip path which is generally parallel to the tangent plane and first turns further rearward and then turns outward through a lateral discharge opening in the chute.
    Type: Grant
    Filed: October 20, 1997
    Date of Patent: October 6, 1998
    Assignee: Timberjack Inc.
    Inventors: Michael J. Mathews, Henry J. Stulen, Riana D. Zyma