Patents by Inventor Michael J. Mathews

Michael J. Mathews 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).

  • Bin lifting and weigh scale arrangement
    Patent number: 7211747
    Abstract: The present invention is directed at a bin lifting and weighing assembly comprising a bin lifting mechanism having means for engaging and lifting a bin; means for mounting the bin lifting mechanism against a structure; a load cell, mounted against the structure; for measuring a weight of the bins; wherein the means for mounting the bin lifting mechanism allows only a single degree of freedom such that the load cell remains in parallel with the structure.
    Type: Grant
    Filed: August 25, 2004
    Date of Patent: May 1, 2007
    Assignee: Shred-Tech Corporation
    Inventors: Martin H. Hagen, Jamie Robert Eyles, Michael J. Mathews
  • 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