Patents by Inventor Frederick R. Ellis

Frederick R. Ellis 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: 4214429
    Abstract: A rake for removing brush from rows of vines and the like made up of a tongue member swingably attached to the front end of a tractor, a frame swingably attached to the front end of the tongue to swing about a pivot and a rake wheel supported on the frame to be rotated by ground contact and/or external power supply at an angle of approximately 45.degree. to the direction of travel of the tractor and teeth on the outer periphery of the wheel for engaging the ground and the brush to rotate the wheel and rake the brush toward the center of the space between rows.
    Type: Grant
    Filed: August 28, 1978
    Date of Patent: July 29, 1980
    Inventor: Frederick R. Ellis