Patents by Inventor Sidney Jiskoot

Sidney Jiskoot 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).

  • Sweep drive unit
    Patent number: 5639200
    Abstract: A drive for a grain bin unloading sweep adapted to move the sweep around the bin in a series of steps. The operating mechanism includes a friction wheel adapted to ride on the floor of the bin to move the sweep flighting, and a pawl and ratchet to drive the wheel. The whole mechanism is located so as to make possible the rotation of the sweep around the full circumference of the bin.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: June 17, 1997
    Inventor: Sidney Jiskoot