Patents by Inventor Kenneth R. Doyle

Kenneth R. Doyle 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: 4250869
    Abstract: A fire plow has a share, V-shaped in plan, below a frame made for attachment behind a tractor, and a burner, fueled from a tank on the plow is provided at one end of an arm pivoted at its other end to the frame, so the burner can be swung to either side of the rear of the share for igniting grass which has been cleared to one side of the plow track, or to a raised position well above the ground when ignition of the grass is to be interrupted.
    Type: Grant
    Filed: February 22, 1979
    Date of Patent: February 17, 1981
    Inventor: Kenneth R. Doyle