Patents by Inventor Gabriele Ronezzi

Gabriele Ronezzi 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).

  • Ejection nozzle device for high pressure cleaning apparatus
    Patent number: 5242116
    Abstract: An ejection nozzle for high pressure and low pressure cleaning apparatus having a cylindrical hollow body (14) with a front flange (31) having a central inwardly projecting cavity (33) and provided with a central narrow orifice (32), and at least two annular orifices (34), a distributing valve (20) with a central duct (26) sealingly slidable in the cavity of the cylindrical body (14) and having an external front portion (20') mating the central cavity (33), an exterior coaxial cylindrical shell (10) consisting of a front portion (12) fixed to the cylindrical body (14), and a rear portion (12') slidable on the body (14), and a device for placing the front portion (20') in sealingly engagement with the central cavity (33) in the high pressure ejection and out of the cavity (33) in the low pressure ejection.
    Type: Grant
    Filed: February 3, 1992
    Date of Patent: September 7, 1993
    Assignee: Faip S.r.l. Officine Meccaniche
    Inventor: Gabriele Ronezzi