Patents by Inventor Dennis R. Heflin

Dennis R. Heflin 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: 4790198
    Abstract: A grain probe comprising an inner tubular member mounted within an outer tubular member with the tubular members having openings formed therein which may be moved into registering alignment so that grain may enter the interior of the inner tubular member. The inner tubular member is divided into a plurality of grain compartments which are separated by partitions. The inner tubular member is also selectively slidably mounted within the outer tubular member so that grain may be successively dumped from individual grain compartments after the probe has been removed from the grain.
    Type: Grant
    Filed: September 11, 1987
    Date of Patent: December 13, 1988
    Inventors: Jon Awtry, Dennis R. Heflin