Patents by Inventor René Pradines

René Pradines 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).

  • Apparatus for spreading granular material, especially for the treatment of roads
    Patent number: 6540164
    Abstract: Apparatus for spreading a granular material comprises a conveyor designed to move the material from a hopper to a distributor. The conveyor comprises two endless cables mounted in parallel and each passing around two end pulleys, parallel transverse bars each attached to the cables at regular intervals and designed to move the material on a transport surface, and a driving device designed to move the cables in synchronism. The granular materials may be for the winter treatment of roads.
    Type: Grant
    Filed: April 27, 2000
    Date of Patent: April 1, 2003
    Inventor: René Pradines