Patents by Inventor Luigi Marizzoli

Luigi Marizzoli 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).

  • Accessory annular elements for textile machinery and relative manufacturing process
    Patent number: 3938399
    Abstract: An annular element adapted to be used as an endless belt for false twist machines or the like has a plurality of layers of non-woven fabric impregnated with a cross-linked elastomer, the non-woven fabric weighing from about 10 to about 50 grams per square meter prior to impregnation.
    Type: Grant
    Filed: September 25, 1973
    Date of Patent: February 17, 1976
    Assignee: Industrie Pirelli S.p.A.
    Inventors: Lucio Delfiol, Luigi Marizzoli