Patents by Inventor Luciano Prosdocimo

Luciano Prosdocimo 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).

  • Process for producing connecting member shanks, such as hinges for window and door frames, formed of cylindrical sections of different diameter, with continuous even screw thread, that is with constant pitch
    Patent number: 4393676
    Abstract: A process of producing a threaded shank, particularly for hinges, characterized by comprising in a succession the following steps of: cutting from a continuous wire a stock or cylindrical starting piece substantially having the same volume as the self-threading shank to be obtained; pressing said cylindrical piece at high pressure, to form a blank composed of a possible head section which will remain smooth, and at least two successive cylindrical sections of different diameter, each of which corresponding to the average diameter of the screw thread to be obtained and interconnected by a "frusto-conical" section having a thread pattern; and threading by rolling said blank with the thread connecting section constituting a guide means and continuity thread between the sections of different diameter.
    Type: Grant
    Filed: September 23, 1980
    Date of Patent: July 19, 1983
    Inventor: Luciano Prosdocimo