Patents by Inventor Salvatore Ardagna

Salvatore Ardagna 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: 6892516
    Abstract: A garden screening device for sifting and separating gravel, rocks, stones, and other debris from useful and valuable soil includes a screening drum mounted on a rotatable base supported on a carriage assembly, the screening drum and base interconnected to a drive motor and pulley for rotating the drum so that useful and valuable soil can be separated and sifted through the screen mesh of the drum by rotation of the drum and directed to the ground by a slide while the unwanted debris is retained in the drum for removal by tilting the screening drum in the direction opposite of the screening drum's operational sifting and separating disposition.
    Type: Grant
    Filed: January 7, 2004
    Date of Patent: May 17, 2005
    Inventor: Salvatore Ardagna