Patents by Inventor Michael G. Duff

Michael G. Duff 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).

  • Fertigation process
    Patent number: 11236026
    Abstract: The present disclosure generally provides a fertigation process comprising providing a nitrification inhibitor composition; providing a urea ammonium nitrate fertilizer composition; combining the nitrification inhibitor composition with the fertilizer composition; and applying the combined composition during a growing cycle of a crop using an overhead irrigation system. The present disclosure also relates to this fertigation process wherein the nitrification inhibitor comprises dicyandiamide and dimethyl sulfoxide and the crop is corn.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: February 1, 2022
    Assignee: Rosen's, Inc.
    Inventors: Michael G. Duff, Tommy Kent Woodall