Patents by Inventor Josef Ruzic

Josef Ruzic 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).

  • Patent number: 5421461
    Abstract: Panning apparatus for separating gold or other minerals or gemstones from soil, gravel or other like materials, the apparatus including a main frame and a secondary frame which supports an upper separating tray assembly and a lower separating pan. The secondary frame is supported for pivotal movement relative to the primary frame and may be oscillated by a motor. A liquid supply tube is arranged to direct water onto the upper tray assembly so that a slurry of materials passes from the upper tray assembly of the lower pan.
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: June 6, 1995
    Inventor: Josef Ruzic