Patents by Inventor Larry M. Shepherd

Larry M. Shepherd 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).

  • Wedge for tree harvesting having an improved drive head
    Patent number: 5290012
    Abstract: An improved wedge for the felling of trees. The wedge is of a synthetic material and has a metal insert integrally molded at its base or head end. The insert, which is molded flush with the head end of the wedge body receives the impacting blows of a driving tool and protects the head end of the wedge from damage. The insert integrally molded within the body of the wedge permits the wedge to be tapered along its full length.
    Type: Grant
    Filed: April 10, 1992
    Date of Patent: March 1, 1994
    Inventors: Robert S. Cottriel, Belt J. Shepherd, Larry M. Shepherd
  • Felling wedge
    Patent number: 4451024
    Abstract: A felling wedge comprising a main body portion of plastic material and a cap of hard metal material. The cap is secured to the plastic by a stud which depends from the cap and is embedded in the plastic. The cap is designed to receive the impact blows of a driving mall whereas the plastic body portion is designed to receive the bite of a cutting chain without undully dulling the cutting edges thereof.
    Type: Grant
    Filed: January 13, 1983
    Date of Patent: May 29, 1984
    Inventor: Larry M. Shepherd