Patents by Inventor Giorgio Ruffo

Giorgio Ruffo 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: 5009672
    Abstract: Process for recycling and recovering solid urban waste and the like, consisting in subjecting solid urban waste (SUW), after the removal of any ferromagnetic material present therein, to high-pressure compression inside a screening press or the like, so as to separate the putrescible organic material from the dry material intended to form the combustible material, then subjecting the organic material to a process of anaerobic fermentation in a sealed and dry environment, so as to allow to extract, at the end of the fermentation cycle, the biogas thus produced, which can be used directly for producing electric power or for other uses, the residuals of fermentation in the form of humus being subsequently subjected to refining and then to screening to recover the light materials; sifting, within a known rotary screen, the dry material so as to separate the combustible components, such as paper, fabrics, wood, plastics, leather and rubber, from the inert ones, such as glass, non-ferrous metals and any organic par
    Type: Grant
    Filed: September 13, 1989
    Date of Patent: April 23, 1991
    Assignee: Vezzani S.p.A.
    Inventors: Giorgio Ruffo, Luciano Vezzani