Patents by Inventor Francesco Salimbeni

Francesco Salimbeni 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).

  • Digester
    Patent number: 4512956
    Abstract: A rotary digester comprises a shell having means at one end for entry of material to be digested and, at the opposite end, a liquids outlet surrounded by a solids outlets. The solids outlet has a screw which assists in preventing egress of unwanted liquid with the solids.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: April 23, 1985
    Inventors: Lee F. Robinson, Francesco Salimbeni, Guiliano Porcari, Mario Dente