Patents by Inventor Donald Marcy

Donald Marcy 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).

  • Grain cart auger with clutch
    Patent number: 6776569
    Abstract: A self-unloading grain cart having a horizontal auger and a vertical auger for unloading grain from the cart. The cart having a plurality of gates for accessing a portion of the auger at one time so as not to overload the auger. The cart also having a clutch for engaging or disengaging the horizontal auger so that the vertical auger can be turned independently from the horizontal auger. The starting and stopping of the movement of grain when unloading the cart is thereby enhanced to prevent spillage and for quicker restarts with lower power requirements.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: August 17, 2004
    Assignee: Balzer, Inc.
    Inventors: Randy McMahon, Frank Bazzoli, Donald Marcy, Trent J. Hoek
  • Grain cart
    Patent number: 6488114
    Abstract: An improved grain cart is able to hold more grain with reduced field compaction to derive greater yield from a farm field. The grain cart includes a frame which supports a grain hopper and is supported by a plurality of wheels, some of which are steerable so the cart also has an acceptable turning radius.
    Type: Grant
    Filed: February 12, 2001
    Date of Patent: December 3, 2002
    Assignee: Balzer, Inc.
    Inventors: Randy McMahon, Frank Bazzoli, Donald Marcy, Trent J. Hoek