Patents by Inventor D. L. Venable

D. L. Venable 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).

  • Apparatus for screening grain or the like
    Patent number: 4411778
    Abstract: An apparatus for cleaning grain and the like by gravity feeding through a casing having within it a central zig-zag chute with top-hinged screens resting across openings in each underside of each zig and each zag of the chute, the action of the grain itself resonating the screens for increased agitation. A large access door to the edge of the screens permits each inspection and replacement as the screens are hinged by means of a top strip which slides into an open-ended slot at the knee of each zig and each zag.
    Type: Grant
    Filed: October 2, 1981
    Date of Patent: October 25, 1983
    Inventor: D. L. Venable