Patents by Inventor Vittorio Verri

Vittorio Verri 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).

  • Pressure filter with a tubular, flexible filter element which can be turned inside out
    Patent number: 4533472
    Abstract: A pressure filter in which the filter element is constituted by a tubular fabric which can be turned inside-out like a stocking. A tubular membrane closed at opposite ends, and inflatable and resiliently deformable radially, is supported coaxially within the filter element. By means of this membrane it is possible to squeeze fully the layer of solid material held on the filter after filtration of a turbid liquid or the like.
    Type: Grant
    Filed: November 29, 1983
    Date of Patent: August 6, 1985
    Assignee: Comber S.p.A. Costruzioni Meccaniche Bergamasche
    Inventors: Vittorio Verri, Renato Christiani