Patents by Inventor David J. Tite

David J. Tite 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: 4231306
    Abstract: Apparatus for injecting granular material such as nematicide in soil comprises a frame carrying a plurality of tines for opening vertical slits in the soil when dragged through the soil by movement of the frame. Each tine has a conduit for delivering granular material to the rear of the tine, and each tine also has an outlet means connected to the conduit of the tine. Each outlet means has one or more outlet openings for directing the granular material rearwardly of the tine. Each outlet means is shaped for guiding granular material in a flow path or flow paths leading from the conduit to the one or a group of outlet openings for directing the granular material rearwardly predominantly in a vertically dispersed distribution.
    Type: Grant
    Filed: February 16, 1978
    Date of Patent: November 4, 1980
    Assignee: National Research Development Corporation
    Inventors: Alan G. Whitehead, David J. Tite