Patents by Inventor Howard F. Hallett

Howard F. Hallett 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: 4220184
    Abstract: A delimber attachment for a tractor comprises an elongate drum mounted transversely and rotatably within a downwardly opening enlosure. The drum has a plurality of chains connected at one thereto. A frame extends forwardly from the enclosure. A hinge connector near a forward end of the frame hingedly connects the delimber to the tractor for upward and downward pivoting. A cable receiver is located near a top portion of the enclosure. A hydraulic damping cylinder is connected near a first end to the delimber and extends upwardly and forwardly therefrom. The cylinder has a clasp near a second end of the cylinder for connecting the cylinder to the tractor above the hinge connector.
    Type: Grant
    Filed: December 14, 1978
    Date of Patent: September 2, 1980
    Inventors: Howard F. Hallett, Clarence W. Hallett