Patents by Inventor Rudy Rewis

Rudy Rewis 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: 5671788
    Abstract: A method and apparatus for extracting a tree trunk, stump and main root from the ground while simultaneously severing the lateral roots, where the tree trunk is gripped by gripping members which are raised vertically to pull the stump and main root through generally annular root shearing members encircling the base of the tree trunk. The root shearing members remain stationary during the extraction operation. Preferably scraping members are positioned adjacent to the root shearing members to remove any dirt and debris.
    Type: Grant
    Filed: February 21, 1996
    Date of Patent: September 30, 1997
    Inventor: Rudy Rewis