Patents by Inventor Glenn C. Knutson

Glenn C. Knutson 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).

  • Irrigation tower drive
    Patent number: 4093036
    Abstract: An irrigation tower structure is provided including support and drive wheels for supporting and driving the tower from and over ground to be irrigated. The tower has a driven shaft journalled therefrom and wheel driving shafts journalled therefrom.
    Type: Grant
    Filed: September 7, 1976
    Date of Patent: June 6, 1978
    Inventor: Glenn C. Knutson