Patents by Inventor Marco Pizzicara

Marco Pizzicara 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 valve internal combustion engine
    Patent number: 4920934
    Abstract: The engine comprises three basic parts, of which one is the crankcase; the others consist in at least one modular liner-and-head casting, of which the liner part is accommodated slidably and to a fluid-tight in a respective bore afforded by the crankcase, and a cylindrical element accommodated freely and rotatably in a through hole formed from matched openings in the walls of the crankcase and in each modular cylinder head, in such a way that it functions additionally as a pin by means of which to assemble the modular components.
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: May 1, 1990
    Assignee: Duebi S.R.L.
    Inventor: Marco Pizzicara