Patents by Inventor Francesco Tammaro

Francesco Tammaro 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).

  • High solids content coal-tar mixture
    Patent number: 4756721
    Abstract: By optimizing grinding conditions it is possible to obtain a grain-size distribution of coal milled together with tar that is especially suitable for the production of high-solids (>50% by weight) coal-tar mixtures that are pumpable and easy to inject into the blast furnace.
    Type: Grant
    Filed: October 24, 1986
    Date of Patent: July 12, 1988
    Assignee: Nuova Italsider SpA
    Inventors: Giuseppe Correra, Vittorio Errigo, Giansilvio Malagarini, Santi Palella, Francesco Tammaro