Patents by Inventor Diane Holzer

Diane Holzer 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).

  • Excavating implement
    Patent number: 6363633
    Abstract: An excavating implement which includes a blade defining a top surface, an opposed bottom surface, a rear edge, a front edge, and opposed end surfaces. Primary cutting edges are spaced apart along the front edge, and secondary cutting edges positioned between the primary cutting edges. The secondary cutting edges are recessed relative to the primary cutting edges. The secondary and primary cutting edges intersect with the bottom surface. The blade also defines primary and secondary beveled surfaces forming acute angles with the bottom surface, and which extend angularly toward the rear edge from the respective primary and secondary cutting edges to intersect with the top surface.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: April 2, 2002
    Inventors: Diane Holzer, Richard A. Holzer
  • Toothed scraper bar for earthmover bucket
    Patent number: D406153
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: February 23, 1999
    Inventors: Richard A. Holzer, Diane Holzer