Patents by Inventor Giancarlo Giannarelli

Giancarlo Giannarelli 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).

  • Apparatus for extruding thermoplastic material
    Patent number: 4061462
    Abstract: This invention relates to a process for extruding particular shapes in thermoplastic material and, more precisely, flat plates, corrugated plates and the like or, in general, shapes having one section much larger than the other; said process being suited to eliminate the uneven feed of the molten material coming out from a die. This invention relates also to an improved extrusion machine which is particularly useful for carrying out the aforementioned process.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: December 6, 1977
    Assignee: Montedison S.p.A.
    Inventors: Giancarlo Giannarelli, Walter Movilli