Patents by Inventor Benjamin David Andreski

Benjamin David Andreski 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).

  • Excavator thumb having hardened removable teeth defining a platform beyond a wear and tear surface of thumb
    Patent number: 9353500
    Abstract: A thumb for a hydraulic excavator having a boom, stick and bucket. The bucket pivots on a bucket axis. The thumb pivots on a thumb axis on or parallel to the bucket axis on which the bucket swings. The thumb swings to and away from the bucket to pick up and carry massive objects. Teeth having hardened tips are arranged proximally and distally along the length of the thumb and define a platform spaced from a wear and tear surface of the thumb to save frame components of the thumb from wear and tear and to better engage the massive objects.
    Type: Grant
    Filed: November 16, 2012
    Date of Patent: May 31, 2016
    Inventor: Benjamin David Andreski