Patents by Inventor Terrence W. J. Nelson

Terrence W. J. Nelson 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).

  • Selective applications of weed control chemicals
    Patent number: 5507115
    Abstract: A selective spraying weed control system utilizes weed detectors that process four bands of reflected illumination from a field of view that may contain weeds. The system uses distributed processes assigned individually to control associated spray nozzles.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: April 16, 1996
    Assignee: Canadian Space Agency
    Inventor: Terrence W. J. Nelson