Patents by Inventor Filippo Cavallini

Filippo Cavallini 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).

  • Rotary nozzle device for emitting a water jet
    Patent number: 6155494
    Abstract: A rotary nozzle device containing an outer casing (5) having an internal chamber (10) with a liquid exit (11) and a lateral surface of revolution upstream of the exit (11), and a rotary nozzle (20) positioned within the internal chamber (10) and traversed by an axial conduit (21) for liquid passage, and having its upper end, into which the axial conduit opens, positioned against and closing the exit (11), its final portion (24) being inclined to the nozzle axis.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: December 5, 2000
    Assignee: Annovi E Reverberi S.R.L.
    Inventors: Fabrizio Fabbri, Filippo Cavallini